On a powerpc 8xx, 'btc' fails as follows:
Entering kdb (current=0x(ptrval), pid 282) due to Keyboard Entry
kdb> btc
btc: cpu status: Currently on cpu 0
Available cpus: 0
kdb_getarea: Bad address 0x0
when booting the kernel with 'debug_boot_weak_hash', it fails as well
Entering kdb (current=0xba99ad80, pid 284) due to Keyboard Entry
kdb> btc
btc: cpu status: Currently on cpu 0
Available cpus: 0
kdb_getarea: Bad address 0xba99ad80
On other platforms, Oopses have been observed too, see
https://github.com/linuxppc/linux/issues/139
This is due to btc calling 'btt' with %p pointer as an argument.
This patch replaces %p by %px to get the real pointer value as
expected by 'btt'
Fixes: ad67b74d2469 ("printk: hash addresses printed with %p")
Cc: <stable@vger.kernel.org>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
(cherry picked from commit dded2e159208a9edc21dd5c5f583afa28d378d39)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I37f1ec131227677305a096323ac11c9dcb11faf8
Christophe Leroyauthored and Greg Kroah-Hartmancommited 2022-02-21 16:30:05 +01:00
Since commit ad67b74d2469 ("printk: hash addresses printed with %p"),
all pointers printed with %p are printed with hashed addresses
instead of real addresses in order to avoid leaking addresses in
dmesg and syslog. But this applies to kdb too, with is unfortunate:
Entering kdb (current=0x(ptrval), pid 329) due to Keyboard Entry
kdb> ps
15 sleeping system daemon (state M) processes suppressed,
use 'ps A' to see all.
Task Addr Pid Parent [*] cpu State Thread Command
0x(ptrval) 329 328 1 0 R 0x(ptrval) *sh
0x(ptrval) 1 0 0 0 S 0x(ptrval) init
0x(ptrval) 3 2 0 0 D 0x(ptrval) rcu_gp
0x(ptrval) 4 2 0 0 D 0x(ptrval) rcu_par_gp
0x(ptrval) 5 2 0 0 D 0x(ptrval) kworker/0:0
0x(ptrval) 6 2 0 0 D 0x(ptrval) kworker/0:0H
0x(ptrval) 7 2 0 0 D 0x(ptrval) kworker/u2:0
0x(ptrval) 8 2 0 0 D 0x(ptrval) mm_percpu_wq
0x(ptrval) 10 2 0 0 D 0x(ptrval) rcu_preempt
The whole purpose of kdb is to debug, and for debugging real addresses
need to be known. In addition, data displayed by kdb doesn't go into
dmesg.
This patch replaces all %p by %px in kdb in order to display real
addresses.
Fixes: ad67b74d2469 ("printk: hash addresses printed with %p")
Cc: <stable@vger.kernel.org>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
(cherry picked from commit 568fb6f42ac6851320adaea25f8f1b94de14e40a)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I9df440d2418b9cdb7f857b65f5a117d0fc5104d3
Christophe Leroyauthored and Greg Kroah-Hartmancommited 2022-02-21 16:30:05 +01:00
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Merge 4.9.259 into android-4.9-q
Changes in 4.9.259
HID: make arrays usage and value to be the same
usb: quirks: add quirk to start video capture on ELMO L-12F document camera reliable
ntfs: check for valid standard information attribute
igb: Remove incorrect "unexpected SYS WRAP" log message
arm64: tegra: Add power-domain for Tegra210 HDA
NET: usb: qmi_wwan: Adding support for Cinterion MV31
cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath.
scripts/recordmcount.pl: support big endian for ARCH sh
kdb: Make memory allocations more robust
MIPS: vmlinux.lds.S: add missing PAGE_ALIGNED_DATA() section
random: fix the RNDRESEEDCRNG ioctl
mm, thp: make do_huge_pmd_wp_page() lock page for testing mapcount
Bluetooth: Fix initializing response id after clearing struct
ARM: dts: exynos: correct PMIC interrupt trigger level on Spring
ARM: dts: exynos: correct PMIC interrupt trigger level on Arndale Octa
arm64: dts: exynos: correct PMIC interrupt trigger level on Espresso
Bluetooth: drop HCI device reference before return
Bluetooth: Put HCI device if inquiry procedure interrupts
ARM: dts: Configure missing thermal interrupt for 4430
usb: dwc2: Do not update data length if it is 0 on inbound transfers
usb: dwc2: Abort transaction after errors with unknown reason
usb: dwc2: Make "trimming xfer length" a debug message
arm64: dts: msm8916: Fix reserved and rfsa nodes unit address
ARM: s3c: fix fiq for clang IAS
bnxt_en: reverse order of TX disable and carrier off
xen/netback: fix spurious event detection for common event case
mac80211: fix potential overflow when multiplying to u32 integers
b43: N-PHY: Fix the update of coef for the PHY revision >= 3case
fbdev: aty: SPARC64 requires FB_ATY_CT
drm/gma500: Fix error return code in psb_driver_load()
gma500: clean up error handling in init
MIPS: c-r4k: Fix section mismatch for loongson2_sc_init
MIPS: lantiq: Explicitly compare LTQ_EBU_PCC_ISTAT against 0
media: vsp1: Fix an error handling path in the probe function
media: media/pci: Fix memleak in empress_init
media: tm6000: Fix memleak in tm6000_start_stream
ASoC: cs42l56: fix up error handling in probe
media: lmedm04: Fix misuse of comma
media: qm1d1c0042: fix error return code in qm1d1c0042_init()
media: cx25821: Fix a bug when reallocating some dma memory
media: pxa_camera: declare variable when DEBUG is defined
media: uvcvideo: Accept invalid bFormatIndex and bFrameIndex values
ata: ahci_brcm: Add back regulators management
btrfs: clarify error returns values in __load_free_space_cache
crypto: ecdh_helper - Ensure 'len >= secret.len' in decode_key()
fs/jfs: fix potential integer overflow on shift of a int
jffs2: fix use after free in jffs2_sum_write_data()
clk: meson: clk-pll: fix initializing the old rate (fallback) for a PLL
spi: cadence-quadspi: Abort read if dummy cycles required are too many
HID: core: detect and skip invalid inputs to snto32()
dmaengine: fsldma: Fix a resource leak in the remove function
dmaengine: fsldma: Fix a resource leak in an error handling path of the probe function
fdt: Properly handle "no-map" field in the memory region
of/fdt: Make sure no-map does not remove already reserved regions
power: reset: at91-sama5d2_shdwc: fix wkupdbc mask
clocksource/drivers/mxs_timer: Add missing semicolon when DEBUG is defined
regulator: axp20x: Fix reference cout leak
isofs: release buffer head before return
IB/umad: Return EIO in case of when device disassociated
powerpc/47x: Disable 256k page size
mmc: usdhi6rol0: Fix a resource leak in the error handling path of the probe
ARM: 9046/1: decompressor: Do not clear SCTLR.nTLSMD for ARMv7+ cores
amba: Fix resource leak for drivers without .remove
tracepoint: Do not fail unregistering a probe due to memory failure
perf tools: Fix DSO filtering when not finding a map for a sampled address
RDMA/rxe: Fix coding error in rxe_recv.c
mfd: wm831x-auxadc: Prevent use after free in wm831x_auxadc_read_irq()
powerpc/pseries/dlpar: handle ibm, configure-connector delay status
spi: pxa2xx: Fix the controller numbering for Wildcat Point
perf intel-pt: Fix missing CYC processing in PSB
perf test: Fix unaligned access in sample parsing test
Input: elo - fix an error code in elo_connect()
sparc64: only select COMPAT_BINFMT_ELF if BINFMT_ELF is set
misc: eeprom_93xx46: Fix module alias to enable module autoprobe
misc: eeprom_93xx46: Add module alias to avoid breaking support for non device tree users
pwm: rockchip: rockchip_pwm_probe(): Remove superfluous clk_unprepare()
VMCI: Use set_page_dirty_lock() when unregistering guest memory
PCI: Align checking of syscall user config accessors
drm/msm/dsi: Correct io_start for MSM8994 (20nm PHY)
i40e: Fix flow for IPv6 next header (extension header)
net/mlx4_core: Add missed mlx4_free_cmd_mailbox()
ocfs2: fix a use after free on error
mm/memory.c: fix potential pte_unmap_unlock pte error
mm/hugetlb: fix potential double free in hugetlb_register_node() error path
arm64: Add missing ISB after invalidating TLB in __primary_switch
i2c: brcmstb: Fix brcmstd_send_i2c_cmd condition
scsi: bnx2fc: Fix Kconfig warning & CNIC build errors
blk-settings: align max_sectors on "logical_block_size" boundary
ACPI: configfs: add missing check after configfs_register_default_group()
Input: raydium_ts_i2c - do not send zero length
Input: xpad - add support for PowerA Enhanced Wired Controller for Xbox Series X|S
Input: joydev - prevent potential read overflow in ioctl
Input: i8042 - add ASUS Zenbook Flip to noselftest list
USB: serial: option: update interface mapping for ZTE P685M
usb: musb: Fix runtime PM race in musb_queue_resume_work
USB: serial: mos7840: fix error code in mos7840_write()
USB: serial: mos7720: fix error code in mos7720_write()
usb: dwc3: gadget: Fix setting of DEPCFG.bInterval_m1
usb: dwc3: gadget: Fix dep->interval for fullspeed interrupt
KEYS: trusted: Fix migratable=1 failing
btrfs: abort the transaction if we fail to inc ref in btrfs_copy_root
btrfs: fix reloc root leak with 0 ref reloc roots on recovery
btrfs: fix extent buffer leak on failure to copy root
seccomp: Add missing return in non-void function
drivers/misc/vmw_vmci: restrict too big queue size in qp_host_alloc_queue
staging: rtl8188eu: Add Edimax EW-7811UN V2 to device table
x86/reboot: Force all cpus to exit VMX root if VMX is supported
floppy: reintroduce O_NDELAY fix
mtd: spi-nor: hisi-sfc: Put child node np on error path
mm: hugetlb: fix a race between freeing and dissolving the page
usb: renesas_usbhs: Clear pipe running flag in usbhs_pkt_pop()
libnvdimm/dimm: Avoid race between probe and available_slots_show()
module: Ignore _GLOBAL_OFFSET_TABLE_ when warning for undefined symbols
mmc: sdhci-esdhc-imx: fix kernel panic when remove module
gpio: pcf857x: Fix missing first interrupt
f2fs: fix out-of-repair __setattr_copy()
sparc32: fix a user-triggerable oops in clear_user()
gfs2: Don't skip dlm unlock if glock has an lvb
dm era: Recover committed writeset after crash
dm era: Verify the data block size hasn't changed
dm era: Fix bitset memory leaks
dm era: Use correct value size in equality function of writeset tree
dm era: Reinitialize bitset cache before digesting a new writeset
dm era: only resize metadata in preresume
futex: Fix OWNER_DEAD fixup
futex: fix dead code in attach_to_pi_owner()
icmp: introduce helper for nat'd source address in network device context
icmp: allow icmpv6_ndo_send to work with CONFIG_IPV6=n
gtp: use icmp_ndo_send helper
sunvnet: use icmp_ndo_send helper
ipv6: icmp6: avoid indirect call for icmpv6_send()
ipv6: silence compilation warning for non-IPV6 builds
net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending
dm era: Update in-core bitset after committing the metadata
Linux 4.9.259
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Icef5fb8e40fc531a932878e86ae352f2d5e71d53
commit 93f7a6d818deef69d0ba652d46bae6fbabbf365c upstream.
Currently kdb uses in_interrupt() to determine whether its library
code has been called from the kgdb trap handler or from a saner calling
context such as driver init. This approach is broken because
in_interrupt() alone isn't able to determine kgdb trap handler entry from
normal task context. This can happen during normal use of basic features
such as breakpoints and can also be trivially reproduced using:
echo g > /proc/sysrq-trigger
We can improve this by adding check for in_dbg_master() instead which
explicitly determines if we are running in debugger context.
Cc: stable@vger.kernel.org
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Link: https://lore.kernel.org/r/1611313556-4004-1-git-send-email-sumit.garg@linaro.org
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sumit Gargauthored and Greg Kroah-Hartmancommited 2021-03-03 17:44:31 +01:00
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Merge 4.9.242 into android-4.9-q
Changes in 4.9.242
SUNRPC: ECONNREFUSED should cause a rebind.
scripts/setlocalversion: make git describe output more reliable
powerpc/powernv/opal-dump : Use IRQ_HANDLED instead of numbers in interrupt handler
efivarfs: Replace invalid slashes with exclamation marks in dentries.
ravb: Fix bit fields checking in ravb_hwtstamp_get()
tipc: fix memory leak caused by tipc_buf_append()
arch/x86/amd/ibs: Fix re-arming IBS Fetch
fuse: fix page dereference after free
p54: avoid accessing the data mapped to streaming DMA
mtd: lpddr: Fix bad logic in print_drs_error
ata: sata_rcar: Fix DMA boundary mask
fscrypt: return -EXDEV for incompatible rename or link into encrypted dir
fscrypto: move ioctl processing more fully into common code
fscrypt: use EEXIST when file already uses different policy
mlxsw: core: Fix use-after-free in mlxsw_emad_trans_finish()
powerpc/powernv/smp: Fix spurious DBG() warning
sparc64: remove mm_cpumask clearing to fix kthread_use_mm race
f2fs: add trace exit in exception path
f2fs: fix to check segment boundary during SIT page readahead
um: change sigio_spinlock to a mutex
ARM: 8997/2: hw_breakpoint: Handle inexact watchpoint addresses
xfs: fix realtime bitmap/summary file truncation when growing rt volume
video: fbdev: pvr2fb: initialize variables
ath10k: fix VHT NSS calculation when STBC is enabled
media: tw5864: check status of tw5864_frameinterval_get
mmc: via-sdmmc: Fix data race bug
printk: reduce LOG_BUF_SHIFT range for H8300
kgdb: Make "kgdbcon" work properly with "kgdb_earlycon"
cpufreq: sti-cpufreq: add stih418 support
USB: adutux: fix debugging
arm64/mm: return cpu_all_mask when node is NUMA_NO_NODE
drivers/net/wan/hdlc_fr: Correctly handle special skb->protocol values
bus/fsl_mc: Do not rely on caller to provide non NULL mc_io
power: supply: test_power: add missing newlines when printing parameters by sysfs
md/bitmap: md_bitmap_get_counter returns wrong blocks
clk: ti: clockdomain: fix static checker warning
net: 9p: initialize sun_server.sun_path to have addr's value only when addr is valid
drivers: watchdog: rdc321x_wdt: Fix race condition bugs
ext4: Detect already used quota file early
gfs2: add validation checks for size of superblock
memory: emif: Remove bogus debugfs error handling
ARM: dts: s5pv210: remove DMA controller bus node name to fix dtschema warnings
ARM: dts: s5pv210: move PMU node out of clock controller
ARM: dts: s5pv210: remove dedicated 'audio-subsystem' node
md/raid5: fix oops during stripe resizing
perf/x86/amd/ibs: Don't include randomized bits in get_ibs_op_count()
perf/x86/amd/ibs: Fix raw sample data accumulation
leds: bcm6328, bcm6358: use devres LED registering function
fs: Don't invalidate page buffers in block_write_full_page()
NFS: fix nfs_path in case of a rename retry
ACPI / extlog: Check for RDMSR failure
ACPI: video: use ACPI backlight for HP 635 Notebook
ACPI: debug: don't allow debugging when ACPI is disabled
acpi-cpufreq: Honor _PSD table setting on new AMD CPUs
w1: mxc_w1: Fix timeout resolution problem leading to bus error
scsi: mptfusion: Fix null pointer dereferences in mptscsih_remove()
btrfs: reschedule if necessary when logging directory items
btrfs: cleanup cow block on error
btrfs: fix use-after-free on readahead extent after failure to create it
usb: dwc3: core: add phy cleanup for probe error handling
usb: dwc3: core: don't trigger runtime pm when remove driver
usb: host: fsl-mph-dr-of: check return of dma_set_mask()
vt: keyboard, simplify vt_kdgkbsent
vt: keyboard, extend func_buf_lock to readers
dmaengine: dma-jz4780: Fix race in jz4780_dma_tx_status
iio:light:si1145: Fix timestamp alignment and prevent data leak.
iio:adc:ti-adc12138 Fix alignment issue with timestamp
iio:gyro:itg3200: Fix timestamp alignment and prevent data leak.
powerpc: Warn about use of smt_snooze_delay
powerpc/powernv/elog: Fix race while processing OPAL error log event.
ubifs: dent: Fix some potential memory leaks while iterating entries
ubi: check kthread_should_stop() after the setting of task state
ia64: fix build error with !COREDUMP
ceph: promote to unsigned long long before shifting
libceph: clear con->out_msg on Policy::stateful_server faults
9P: Cast to loff_t before multiplying
ring-buffer: Return 0 on success from ring_buffer_resize()
vringh: fix __vringh_iov() when riov and wiov are different
rtc: rx8010: don't modify the global rtc ops
tty: make FONTX ioctl use the tty pointer they were actually passed
arm64: berlin: Select DW_APB_TIMER_OF
cachefiles: Handle readpage error correctly
hil/parisc: Disable HIL driver when it gets stuck
ARM: samsung: fix PM debug build with DEBUG_LL but !MMU
ARM: s3c24xx: fix missing system reset
device property: Keep secondary firmware node secondary by type
device property: Don't clear secondary pointer for shared primary firmware node
KVM: arm64: Fix AArch32 handling of DBGD{CCINT,SCRext} and DBGVCR
staging: comedi: cb_pcidas: Allow 2-channel commands for AO subdevice
staging: octeon: repair "fixed-link" support
staging: octeon: Drop on uncorrectable alignment or FCS error
xen/events: don't use chip_data for legacy IRQs
tipc: fix use-after-free in tipc_bcast_get_mode
gianfar: Replace skb_realloc_headroom with skb_cow_head for PTP
gianfar: Account for Tx PTP timestamp in the skb headroom
Fonts: Replace discarded const qualifier
ALSA: usb-audio: Add implicit feedback quirk for Qu-16
kthread_worker: prevent queuing delayed work from timer_fn when it is being canceled
ftrace: Fix recursion check for NMI test
ftrace: Handle tracing when switching between context
tracing: Fix out of bounds write in get_trace_buf
ARM: dts: sun4i-a10: fix cpu_alert temperature
x86/kexec: Use up-to-dated screen_info copy to fill boot params
of: Fix reserved-memory overlap detection
scsi: core: Don't start concurrent async scan on same host
vsock: use ns_capable_noaudit() on socket create
ACPI: NFIT: Fix comparison to '-ENXIO'
vt: Disable KD_FONT_OP_COPY
fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent
serial: 8250_mtk: Fix uart_get_baud_rate warning
serial: txx9: add missing platform_driver_unregister() on error in serial_txx9_init
USB: serial: cyberjack: fix write-URB completion race
USB: serial: option: add LE910Cx compositions 0x1203, 0x1230, 0x1231
USB: serial: option: add Telit FN980 composition 0x1055
USB: Add NO_LPM quirk for Kingston flash drive
ARC: stack unwinding: avoid indefinite looping
Revert "ARC: entry: fix potential EFA clobber when TIF_SYSCALL_TRACE"
Linux 4.9.242
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I594296d57790eb8b7fa737119346d2b60572e5fd
[ Upstream commit b18b099e04f450cdc77bec72acefcde7042bd1f3 ]
On my system the kernel processes the "kgdb_earlycon" parameter before
the "kgdbcon" parameter. When we setup "kgdb_earlycon" we'll end up
in kgdb_register_callbacks() and "kgdb_use_con" won't have been set
yet so we'll never get around to starting "kgdbcon". Let's remedy
this by detecting that the IO module was already registered when
setting "kgdb_use_con" and registering the console then.
As part of this, to avoid pre-declaring things, move the handling of
the "kgdbcon" further down in the file.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200630151422.1.I4aa062751ff5e281f5116655c976dff545c09a46@changeid
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Douglas Andersonauthored and Greg Kroah-Hartmancommited 2020-11-10 10:23:53 +01:00
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Merge 4.9.241 into android-4.9-q
Changes in 4.9.241
ibmveth: Identify ingress large send packets.
tipc: fix the skb_unshare() in tipc_buf_append()
net/ipv4: always honour route mtu during forwarding
r8169: fix data corruption issue on RTL8402
ALSA: bebob: potential info leak in hwdep_read()
net: hdlc: In hdlc_rcv, check to make sure dev is an HDLC device
net: hdlc_raw_eth: Clear the IFF_TX_SKB_SHARING flag after calling ether_setup
nfc: Ensure presence of NFC_ATTR_FIRMWARE_NAME attribute in nfc_genl_fw_download()
tcp: fix to update snd_wl1 in bulk receiver fast path
icmp: randomize the global rate limiter
cifs: remove bogus debug code
KVM: x86/mmu: Commit zap of remaining invalid pages when recovering lpages
ima: Don't ignore errors from crypto_shash_update()
crypto: algif_aead - Do not set MAY_BACKLOG on the async path
EDAC/i5100: Fix error handling order in i5100_init_one()
crypto: ixp4xx - Fix the size used in a 'dma_free_coherent()' call
media: Revert "media: exynos4-is: Add missed check for pinctrl_lookup_state()"
media: m5mols: Check function pointer in m5mols_sensor_power
media: omap3isp: Fix memleak in isp_probe
crypto: omap-sham - fix digcnt register handling with export/import
media: tc358743: initialize variable
media: platform: fcp: Fix a reference count leak.
media: ti-vpe: Fix a missing check and reference count leak
regulator: resolve supply after creating regulator
ath10k: provide survey info as accumulated data
ath6kl: prevent potential array overflow in ath6kl_add_new_sta()
ath9k: Fix potential out of bounds in ath9k_htc_txcompletion_cb()
wcn36xx: Fix reported 802.11n rx_highest rate wcn3660/wcn3680
ASoC: qcom: lpass-platform: fix memory leak
mwifiex: Do not use GFP_KERNEL in atomic context
drm/gma500: fix error check
scsi: qla4xxx: Fix an error handling path in 'qla4xxx_get_host_stats()'
scsi: csiostor: Fix wrong return value in csio_hw_prep_fw()
backlight: sky81452-backlight: Fix refcount imbalance on error
VMCI: check return value of get_user_pages_fast() for errors
tty: serial: earlycon dependency
tty: hvcs: Don't NULL tty->driver_data until hvcs_cleanup()
pty: do tty_flip_buffer_push without port->lock in pty_write
drivers/virt/fsl_hypervisor: Fix error handling path
video: fbdev: vga16fb: fix setting of pixclock because a pass-by-value error
video: fbdev: sis: fix null ptr dereference
HID: roccat: add bounds checking in kone_sysfs_write_settings()
ath6kl: wmi: prevent a shift wrapping bug in ath6kl_wmi_delete_pstream_cmd()
misc: mic: scif: Fix error handling path
ALSA: seq: oss: Avoid mutex lock for a long-time ioctl
quota: clear padding in v2r1_mem2diskdqb()
net: enic: Cure the enic api locking trainwreck
mfd: sm501: Fix leaks in probe()
iwlwifi: mvm: split a print to avoid a WARNING in ROC
usb: gadget: f_ncm: fix ncm_bitrate for SuperSpeed and above.
usb: gadget: u_ether: enable qmult on SuperSpeed Plus as well
nl80211: fix non-split wiphy information
scsi: be2iscsi: Fix a theoretical leak in beiscsi_create_eqs()
mwifiex: fix double free
net: korina: fix kfree of rx/tx descriptor array
IB/mlx4: Fix starvation in paravirt mux/demux
IB/mlx4: Adjust delayed work when a dup is observed
powerpc/pseries: Fix missing of_node_put() in rng_init()
powerpc/icp-hv: Fix missing of_node_put() in success path
mtd: lpddr: fix excessive stack usage with clang
mtd: mtdoops: Don't write panic data twice
ARM: 9007/1: l2c: fix prefetch bits init in L2X0_AUX_CTRL using DT values
RDMA/qedr: Fix use of uninitialized field
powerpc/tau: Use appropriate temperature sample interval
powerpc/tau: Remove duplicated set_thresholds() call
powerpc/tau: Disable TAU between measurements
perf intel-pt: Fix "context_switch event has no tid" error
RDMA/hns: Set the unsupported wr opcode
kdb: Fix pager search for multi-line strings
overflow: Include header file with SIZE_MAX declaration
powerpc/perf: Exclude pmc5/6 from the irrelevant PMU group constraints
powerpc/perf/hv-gpci: Fix starting index value
cpufreq: powernv: Fix frame-size-overflow in powernv_cpufreq_reboot_notifier
IB/rdmavt: Fix sizeof mismatch
lib/crc32.c: fix trivial typo in preprocessor condition
rapidio: fix error handling path
rapidio: fix the missed put_device() for rio_mport_add_riodev
clk: at91: clk-main: update key before writing AT91_CKGR_MOR
clk: bcm2835: add missing release if devm_clk_hw_register fails
vfio/pci: Clear token on bypass registration failure
Input: imx6ul_tsc - clean up some errors in imx6ul_tsc_resume()
Input: ep93xx_keypad - fix handling of platform_get_irq() error
Input: omap4-keypad - fix handling of platform_get_irq() error
Input: twl4030_keypad - fix handling of platform_get_irq() error
Input: sun4i-ps2 - fix handling of platform_get_irq() error
KVM: x86: emulating RDPID failure shall return #UD rather than #GP
memory: omap-gpmc: Fix a couple off by ones
memory: fsl-corenet-cf: Fix handling of platform_get_irq() error
arm64: dts: qcom: msm8916: Fix MDP/DSI interrupts
arm64: dts: zynqmp: Remove additional compatible string for i2c IPs
powerpc/powernv/dump: Fix race while processing OPAL dump
nvmet: fix uninitialized work for zero kato
NTB: hw: amd: fix an issue about leak system resources
crypto: ccp - fix error handling
media: firewire: fix memory leak
media: ati_remote: sanity check for both endpoints
media: exynos4-is: Fix several reference count leaks due to pm_runtime_get_sync
media: exynos4-is: Fix a reference count leak due to pm_runtime_get_sync
media: exynos4-is: Fix a reference count leak
media: vsp1: Fix runtime PM imbalance on error
media: platform: s3c-camif: Fix runtime PM imbalance on error
media: platform: sti: hva: Fix runtime PM imbalance on error
media: bdisp: Fix runtime PM imbalance on error
media: media/pci: prevent memory leak in bttv_probe
media: uvcvideo: Ensure all probed info is returned to v4l2
mmc: sdio: Check for CISTPL_VERS_1 buffer size
media: saa7134: avoid a shift overflow
fs: dlm: fix configfs memory leak
ntfs: add check for mft record size in superblock
PM: hibernate: remove the bogus call to get_gendisk() in software_resume()
scsi: mvumi: Fix error return in mvumi_io_attach()
scsi: target: core: Add CONTROL field for trace events
mic: vop: copy data to kernel space then write to io memory
misc: vop: add round_up(x,4) for vring_size to avoid kernel panic
usb: gadget: function: printer: fix use-after-free in __lock_acquire
udf: Limit sparing table size
udf: Avoid accessing uninitialized data on failed inode read
USB: cdc-acm: handle broken union descriptors
ath9k: hif_usb: fix race condition between usb_get_urb() and usb_kill_anchored_urbs()
misc: rtsx: Fix memory leak in rtsx_pci_probe
reiserfs: only call unlock_new_inode() if I_NEW
xfs: make sure the rt allocator doesn't run off the end
usb: ohci: Default to per-port over-current protection
Bluetooth: Only mark socket zapped after unlocking
scsi: ibmvfc: Fix error return in ibmvfc_probe()
brcmsmac: fix memory leak in wlc_phy_attach_lcnphy
rtl8xxxu: prevent potential memory leak
Fix use after free in get_capset_info callback.
tty: ipwireless: fix error handling
ipvs: Fix uninit-value in do_ip_vs_set_ctl()
reiserfs: Fix memory leak in reiserfs_parse_options()
brcm80211: fix possible memleak in brcmf_proto_msgbuf_attach
usb: core: Solve race condition in anchor cleanup functions
ath10k: check idx validity in __ath10k_htt_rx_ring_fill_n()
net: korina: cast KSEG0 address to pointer in kfree
usb: cdc-acm: add quirk to blacklist ETAS ES58X devices
USB: cdc-wdm: Make wdm_flush() interruptible and add wdm_fsync().
eeprom: at25: set minimum read/write access stride to 1
usb: gadget: f_ncm: allow using NCM in SuperSpeed Plus gadgets.
Linux 4.9.241
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ie59605b312e5d0314299cad46ab57df803070564
[ Upstream commit d081a6e353168f15e63eb9e9334757f20343319f ]
Currently using forward search doesn't handle multi-line strings correctly.
The search routine replaces line breaks with \0 during the search and, for
regular searches ("help | grep Common\n"), there is code after the line
has been discarded or printed to replace the break character.
However during a pager search ("help\n" followed by "/Common\n") when the
string is matched we will immediately return to normal output and the code
that should restore the \n becomes unreachable. Fix this by restoring the
replaced character when we disable the search mode and update the comment
accordingly.
Fixes: fb6daa7520 ("kdb: Provide forward search at more prompt")
Link: https://lore.kernel.org/r/20200909141708.338273-1-daniel.thompson@linaro.org
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Daniel Thompsonauthored and Greg Kroah-Hartmancommited 2020-10-29 09:05:38 +01:00
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Merge 4.9.230 into android-4.9-q
Changes in 4.9.230
btrfs: fix a block group ref counter leak after failure to remove block group
btrfs: cow_file_range() num_bytes and disk_num_bytes are same
btrfs: fix data block group relocation failure due to concurrent scrub
mm: fix swap cache node allocation mask
EDAC/amd64: Read back the scrub rate PCI register on F15h
usbnet: smsc95xx: Fix use-after-free after removal
mm/slub.c: fix corrupted freechain in deactivate_slab()
mm/slub: fix stack overruns with SLUB_STATS
usb: usbtest: fix missing kfree(dev->buf) in usbtest_disconnect
kgdb: Avoid suspicious RCU usage warning
crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock()
sched/rt: Show the 'sched_rr_timeslice' SCHED_RR timeslice tuning knob in milliseconds
cxgb4: parse TC-U32 key values and masks natively
hwmon: (max6697) Make sure the OVERT mask is set correctly
hwmon: (acpi_power_meter) Fix potential memory leak in acpi_power_meter_add()
virtio-blk: free vblk-vqs in error path of virtblk_probe()
i2c: algo-pca: Add 0x78 as SCL stuck low status for PCA9665
Revert "ALSA: usb-audio: Improve frames size computation"
SMB3: Honor 'seal' flag for multiuser mounts
SMB3: Honor persistent/resilient handle flags for multiuser mounts
cifs: Fix the target file was deleted when rename failed.
MIPS: Add missing EHB in mtc0 -> mfc0 sequence for DSPen
netfilter: nf_conntrack_h323: lost .data_len definition for Q.931/ipv6
efi: Make it possible to disable efivar_ssdt entirely
Linux 4.9.230
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Idfb59ec0247f0e8ba270f56daa689ee6f68d54bc
[ Upstream commit 440ab9e10e2e6e5fd677473ee6f9e3af0f6904d6 ]
At times when I'm using kgdb I see a splat on my console about
suspicious RCU usage. I managed to come up with a case that could
reproduce this that looked like this:
WARNING: suspicious RCU usage
5.7.0-rc4+ #609 Not tainted
-----------------------------
kernel/pid.c:395 find_task_by_pid_ns() needs rcu_read_lock() protection!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by swapper/0/1:
#0: ffffff81b6b8e988 (&dev->mutex){....}-{3:3}, at: __device_attach+0x40/0x13c
#1: ffffffd01109e9e8 (dbg_master_lock){....}-{2:2}, at: kgdb_cpu_enter+0x20c/0x7ac
#2: ffffffd01109ea90 (dbg_slave_lock){....}-{2:2}, at: kgdb_cpu_enter+0x3ec/0x7ac
stack backtrace:
CPU: 7 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc4+ #609
Hardware name: Google Cheza (rev3+) (DT)
Call trace:
dump_backtrace+0x0/0x1b8
show_stack+0x1c/0x24
dump_stack+0xd4/0x134
lockdep_rcu_suspicious+0xf0/0x100
find_task_by_pid_ns+0x5c/0x80
getthread+0x8c/0xb0
gdb_serial_stub+0x9d4/0xd04
kgdb_cpu_enter+0x284/0x7ac
kgdb_handle_exception+0x174/0x20c
kgdb_brk_fn+0x24/0x30
call_break_hook+0x6c/0x7c
brk_handler+0x20/0x5c
do_debug_exception+0x1c8/0x22c
el1_sync_handler+0x3c/0xe4
el1_sync+0x7c/0x100
rpmh_rsc_probe+0x38/0x420
platform_drv_probe+0x94/0xb4
really_probe+0x134/0x300
driver_probe_device+0x68/0x100
__device_attach_driver+0x90/0xa8
bus_for_each_drv+0x84/0xcc
__device_attach+0xb4/0x13c
device_initial_probe+0x18/0x20
bus_probe_device+0x38/0x98
device_add+0x38c/0x420
If I understand properly we should just be able to blanket kgdb under
one big RCU read lock and the problem should go away. We'll add it to
the beast-of-a-function known as kgdb_cpu_enter().
With this I no longer get any splats and things seem to work fine.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200602154729.v2.1.I70e0d4fd46d5ed2aaf0c98a355e8e1b7a5bb7e4e@changeid
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Douglas Andersonauthored and Greg Kroah-Hartmancommited 2020-07-09 09:35:55 +02:00
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Merge 4.9.228 into android-4.9-q
Changes in 4.9.228
ipv6: fix IPV6_ADDRFORM operation logic
vxlan: Avoid infinite loop when suppressing NS messages with invalid options
scsi: return correct blkprep status code in case scsi_init_io() fails.
crypto: talitos - fix ECB and CBC algs ivsize
ARM: 8977/1: ptrace: Fix mask for thumb breakpoint hook
sched/fair: Don't NUMA balance for kthreads
drivers/net/ibmvnic: Update VNIC protocol version reporting
ath9k_htc: Silence undersized packet warnings
x86_64: Fix jiffies ODR violation
x86/PCI: Mark Intel C620 MROMs as having non-compliant BARs
x86/speculation: Prevent rogue cross-process SSBD shutdown
x86/reboot/quirks: Add MacBook6,1 reboot quirk
efi/efivars: Add missing kobject_put() in sysfs entry creation error path
ALSA: es1688: Add the missed snd_card_free()
ALSA: usb-audio: Fix inconsistent card PM state after resume
ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile()
ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe()
ACPI: GED: add support for _Exx / _Lxx handler methods
ACPI: PM: Avoid using power resources if there are none for D0
cgroup, blkcg: Prepare some symbols for module and !CONFIG_CGROUP usages
nilfs2: fix null pointer dereference at nilfs_segctor_do_construct()
spi: bcm2835aux: Fix controller unregister order
spi: bcm-qspi: when tx/rx buffer is NULL set to 0
ALSA: pcm: disallow linking stream to itself
x86/speculation: Change misspelled STIPB to STIBP
x86/speculation: Add support for STIBP always-on preferred mode
x86/speculation: Avoid force-disabling IBPB based on STIBP and enhanced IBRS.
x86/speculation: PR_SPEC_FORCE_DISABLE enforcement for indirect branches.
spi: dw: fix possible race condition
spi: dw: Fix controller unregister order
spi: No need to assign dummy value in spi_unregister_controller()
spi: Fix controller unregister order
spi: pxa2xx: Fix controller unregister order
spi: bcm2835: Fix controller unregister order
ovl: initialize error in ovl_copy_xattr
proc: Use new_inode not new_inode_pseudo
video: fbdev: w100fb: Fix a potential double free.
KVM: nSVM: leave ASID aside in copy_vmcb_control_area
KVM: nVMX: Consult only the "basic" exit reason when routing nested exit
KVM: MIPS: Define KVM_ENTRYHI_ASID to cpu_asid_mask(&boot_cpu_data)
KVM: MIPS: Fix VPN2_MASK definition for variable cpu_vmbits
KVM: arm64: Make vcpu_cp1x() work on Big Endian hosts
ath9k: Fix use-after-free Read in ath9k_wmi_ctrl_rx
ath9k: Fix use-after-free Write in ath9k_htc_rx_msg
ath9x: Fix stack-out-of-bounds Write in ath9k_hif_usb_rx_cb
ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb
Smack: slab-out-of-bounds in vsscanf
mm/slub: fix a memory leak in sysfs_slab_add()
fat: don't allow to mount if the FAT length == 0
perf: Add cond_resched() to task_function_call()
agp/intel: Reinforce the barrier after GTT updates
can: kvaser_usb: kvaser_usb_leaf: Fix some info-leaks to USB devices
media: dvb_frontend: ensure that inital front end status initialized
ACPI: GED: use correct trigger type field in _Exx / _Lxx handling
media: si2157: Better check for running tuner in init
objtool: Ignore empty alternatives
net: ena: fix error returning in ena_com_get_hash_function()
spi: dw: Zero DMA Tx and Rx configurations on stack
Bluetooth: Add SCO fallback for invalid LMP parameters error
kgdb: Prevent infinite recursive entries to the debugger
spi: dw: Enable interrupts in accordance with DMA xfer mode
clocksource: dw_apb_timer_of: Fix missing clockevent timers
btrfs: do not ignore error from btrfs_next_leaf() when inserting checksums
ARM: 8978/1: mm: make act_mm() respect THREAD_SIZE
x86/kvm/hyper-v: Explicitly align hcall param for kvm_hyperv_exit
net: vmxnet3: fix possible buffer overflow caused by bad DMA value in vmxnet3_get_rss()
staging: android: ion: use vmap instead of vm_map_ram
e1000: Distribute switch variables for initialization
dt-bindings: display: mediatek: control dpi pins mode to avoid leakage
media: dvb: return -EREMOTEIO on i2c transfer failure.
media: platform: fcp: Set appropriate DMA parameters
MIPS: Make sparse_init() using top-down allocation
netfilter: nft_nat: return EOPNOTSUPP if type or flags are not supported
lib/mpi: Fix 64-bit MIPS build with Clang
exit: Move preemption fixup up, move blocking operations down
net: lpc-enet: fix error return code in lpc_mii_init()
net: allwinner: Fix use correct return type for ndo_start_xmit()
powerpc/spufs: fix copy_to_user while atomic
MIPS: Truncate link address into 32bit for 32bit kernel
mips: cm: Fix an invalid error code of INTVN_*_ERR
kgdb: Fix spurious true from in_dbg_master()
md: don't flush workqueue unconditionally in md_open
rtlwifi: Fix a double free in _rtl_usb_tx_urb_setup()
mwifiex: Fix memory corruption in dump_station
x86/boot: Correct relocation destination on old linkers
mips: Add udelay lpj numbers adjustment
x86/mm: Stop printing BRK addresses
m68k: mac: Don't call via_flush_cache() on Mac IIfx
macvlan: Skip loopback packets in RX handler
PCI: Don't disable decoding when mmio_always_on is set
MIPS: Fix IRQ tracing when call handle_fpe() and handle_msa_fpe()
staging: greybus: sdio: Respect the cmd->busy_timeout from the mmc core
ixgbe: fix signed-integer-overflow warning
mmc: sdhci-esdhc-imx: fix the mask for tuning start point
spi: dw: Return any value retrieved from the dma_transfer callback
cpuidle: Fix three reference count leaks
btrfs: send: emit file capabilities after chown
mm: thp: make the THP mapcount atomic against __split_huge_pmd_locked()
ima: Fix ima digest hash table key calculation
ima: Directly assign the ima_default_policy pointer to ima_rules
evm: Fix possible memory leak in evm_calc_hmac_or_hash()
ext4: fix EXT_MAX_EXTENT/INDEX to check for zeroed eh_max
ext4: fix race between ext4_sync_parent() and rename()
btrfs: fix error handling when submitting direct I/O bio
blk-mq: move blk_mq_update_nr_hw_queues synchronize_rcu call
PCI: Program MPS for RCiEP devices
e1000e: Relax condition to trigger reset for ME workaround
carl9170: remove P2P_GO support
media: go7007: fix a miss of snd_card_free
b43legacy: Fix case where channel status is corrupted
b43: Fix connection problem with WPA3
b43_legacy: Fix connection problem with WPA3
igb: Report speed and duplex as unknown when device is runtime suspended
power: vexpress: add suppress_bind_attrs to true
pinctrl: samsung: Save/restore eint_mask over suspend for EINT_TYPE GPIOs
sparc32: fix register window handling in genregs32_[gs]et()
sparc64: fix misuses of access_process_vm() in genregs32_[sg]et()
kernel/cpu_pm: Fix uninitted local in cpu_pm
ARM: tegra: Correct PL310 Auxiliary Control Register initialization
drivers/macintosh: Fix memleak in windfarm_pm112 driver
kbuild: force to build vmlinux if CONFIG_MODVERSION=y
sunrpc: svcauth_gss_register_pseudoflavor must reject duplicate registrations.
sunrpc: clean up properly in gss_mech_unregister()
mtd: rawnand: brcmnand: fix hamming oob layout
mtd: rawnand: pasemi: Fix the probe error path
w1: omap-hdq: cleanup to add missing newline for some dev_dbg
perf probe: Do not show the skipped events
perf symbols: Fix debuginfo search for Ubuntu
Linux 4.9.228
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I26fadb036b8aab801c0ba5e7e5ed99170cf0f783
[ Upstream commit 3ca676e4ca60d1834bb77535dafe24169cadacef ]
If we detect that we recursively entered the debugger we should hack
our I/O ops to NULL so that the panic() in the next line won't
actually cause another recursion into the debugger. The first line of
kgdb_panic() will check this and return.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20200507130644.v4.6.I89de39f68736c9de610e6f241e68d8dbc44bc266@changeid
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Douglas Andersonauthored and Greg Kroah-Hartmancommited 2020-06-20 10:24:14 +02:00
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Merge 4.9.212 into android-4.9-q
Changes in 4.9.212
xfs: Sanity check flags of Q_XQUOTARM call
powerpc/archrandom: fix arch_get_random_seed_int()
mt7601u: fix bbp version check in mt7601u_wait_bbp_ready
drm/sti: do not remove the drm_bridge that was never added
drm/virtio: fix bounds check in virtio_gpu_cmd_get_capset()
ALSA: hda: fix unused variable warning
IB/rxe: replace kvfree with vfree
ALSA: usb-audio: update quirk for B&W PX to remove microphone
staging: comedi: ni_mio_common: protect register write overflow
pwm: lpss: Release runtime-pm reference from the driver's remove callback
mlxsw: reg: QEEC: Add minimum shaper fields
pcrypt: use format specifier in kobject_add
exportfs: fix 'passing zero to ERR_PTR()' warning
drm/dp_mst: Skip validating ports during destruction, just ref
net: phy: Fix not to call phy_resume() if PHY is not attached
pinctrl: sh-pfc: r8a7740: Add missing REF125CK pin to gether_gmii group
pinctrl: sh-pfc: r8a7740: Add missing LCD0 marks to lcd0_data24_1 group
pinctrl: sh-pfc: r8a7791: Remove bogus ctrl marks from qspi_data4_b group
pinctrl: sh-pfc: r8a7791: Remove bogus marks from vin1_b_data18 group
pinctrl: sh-pfc: sh73a0: Add missing TO pin to tpu4_to3 group
pinctrl: sh-pfc: r8a7794: Remove bogus IPSR9 field
pinctrl: sh-pfc: sh7734: Add missing IPSR11 field
pinctrl: sh-pfc: sh7269: Add missing PCIOR0 field
pinctrl: sh-pfc: sh7734: Remove bogus IPSR10 value
Input: nomadik-ske-keypad - fix a loop timeout test
clk: highbank: fix refcount leak in hb_clk_init()
clk: qoriq: fix refcount leak in clockgen_init()
clk: socfpga: fix refcount leak
clk: samsung: exynos4: fix refcount leak in exynos4_get_xom()
clk: imx6q: fix refcount leak in imx6q_clocks_init()
clk: imx6sx: fix refcount leak in imx6sx_clocks_init()
clk: imx7d: fix refcount leak in imx7d_clocks_init()
clk: vf610: fix refcount leak in vf610_clocks_init()
clk: armada-370: fix refcount leak in a370_clk_init()
clk: kirkwood: fix refcount leak in kirkwood_clk_init()
clk: armada-xp: fix refcount leak in axp_clk_init()
clk: dove: fix refcount leak in dove_clk_init()
IB/usnic: Fix out of bounds index check in query pkey
RDMA/ocrdma: Fix out of bounds index check in query pkey
RDMA/qedr: Fix out of bounds index check in query pkey
arm64: dts: apq8016-sbc: Increase load on l11 for SDCARD
drm/etnaviv: NULL vs IS_ERR() buf in etnaviv_core_dump()
media: s5p-jpeg: Correct step and max values for V4L2_CID_JPEG_RESTART_INTERVAL
crypto: tgr192 - fix unaligned memory access
ASoC: imx-sgtl5000: put of nodes if finding codec fails
IB/iser: Pass the correct number of entries for dma mapped SGL
rtc: cmos: ignore bogus century byte
clk: sunxi-ng: sun8i-a23: Enable PLL-MIPI LDOs when ungating it
iwlwifi: mvm: fix A-MPDU reference assignment
tty: ipwireless: Fix potential NULL pointer dereference
crypto: crypto4xx - Fix wrong ppc4xx_trng_probe()/ppc4xx_trng_remove() arguments
ARM: dts: lpc32xx: add required clocks property to keypad device node
ARM: dts: lpc32xx: reparent keypad controller to SIC1
ARM: dts: lpc32xx: fix ARM PrimeCell LCD controller variant
ARM: dts: lpc32xx: fix ARM PrimeCell LCD controller clocks property
ARM: dts: lpc32xx: phy3250: fix SD card regulator voltage
iwlwifi: mvm: fix RSS config command
staging: most: cdev: add missing check for cdev_add failure
rtc: ds1672: fix unintended sign extension
thermal: mediatek: fix register index error
net: phy: fixed_phy: Fix fixed_phy not checking GPIO
rtc: 88pm860x: fix unintended sign extension
rtc: 88pm80x: fix unintended sign extension
rtc: pm8xxx: fix unintended sign extension
fbdev: chipsfb: remove set but not used variable 'size'
iw_cxgb4: use tos when importing the endpoint
iw_cxgb4: use tos when finding ipv6 routes
pinctrl: sh-pfc: emev2: Add missing pinmux functions
pinctrl: sh-pfc: r8a7791: Fix scifb2_data_c pin group
pinctrl: sh-pfc: r8a7792: Fix vin1_data18_b pin group
pinctrl: sh-pfc: sh73a0: Fix fsic_spdif pin groups
usb: phy: twl6030-usb: fix possible use-after-free on remove
block: don't use bio->bi_vcnt to figure out segment number
keys: Timestamp new keys
vfio_pci: Enable memory accesses before calling pci_map_rom
dmaengine: mv_xor: Use correct device for DMA API
cdc-wdm: pass return value of recover_from_urb_loss
regulator: pv88060: Fix array out-of-bounds access
regulator: pv88080: Fix array out-of-bounds access
regulator: pv88090: Fix array out-of-bounds access
net: dsa: qca8k: Enable delay for RGMII_ID mode
drm/nouveau/bios/ramcfg: fix missing parentheses when calculating RON
drm/nouveau/pmu: don't print reply values if exec is false
ASoC: qcom: Fix of-node refcount unbalance in apq8016_sbc_parse_of()
fs/nfs: Fix nfs_parse_devname to not modify it's argument
NFS: Fix a soft lockup in the delegation recovery code
clocksource/drivers/sun5i: Fail gracefully when clock rate is unavailable
clocksource/drivers/exynos_mct: Fix error path in timer resources initialization
mmc: sdhci-brcmstb: handle mmc_of_parse() errors during probe
ARM: 8847/1: pm: fix HYP/SVC mode mismatch when MCPM is used
ARM: 8848/1: virt: Align GIC version check with arm64 counterpart
regulator: wm831x-dcdc: Fix list of wm831x_dcdc_ilim from mA to uA
nios2: ksyms: Add missing symbol exports
scsi: megaraid_sas: reduce module load time
drivers/rapidio/rio_cm.c: fix potential oops in riocm_ch_listen()
xen, cpu_hotplug: Prevent an out of bounds access
net: sh_eth: fix a missing check of of_get_phy_mode
media: ivtv: update *pos correctly in ivtv_read_pos()
media: cx18: update *pos correctly in cx18_read_pos()
media: wl128x: Fix an error code in fm_download_firmware()
media: cx23885: check allocation return
regulator: tps65086: Fix tps65086_ldoa1_ranges for selector 0xB
jfs: fix bogus variable self-initialization
tipc: tipc clang warning
m68k: mac: Fix VIA timer counter accesses
ARM: OMAP2+: Fix potentially uninitialized return value for _setup_reset()
media: davinci-isif: avoid uninitialized variable use
media: tw5864: Fix possible NULL pointer dereference in tw5864_handle_frame
spi: tegra114: clear packed bit for unpacked mode
spi: tegra114: fix for unpacked mode transfers
soc/fsl/qe: Fix an error code in qe_pin_request()
spi: bcm2835aux: fix driver to not allow 65535 (=-1) cs-gpios
ehea: Fix a copy-paste err in ehea_init_port_res
scsi: qla2xxx: Unregister chrdev if module initialization fails
ARM: pxa: ssp: Fix "WARNING: invalid free of devm_ allocated data"
hwmon: (w83627hf) Use request_muxed_region for Super-IO accesses
tipc: set sysctl_tipc_rmem and named_timeout right range
powerpc: vdso: Make vdso32 installation conditional in vdso_install
ARM: dts: ls1021: Fix SGMII PCS link remaining down after PHY disconnect
media: ov2659: fix unbalanced mutex_lock/unlock
6lowpan: Off by one handling ->nexthdr
dmaengine: axi-dmac: Don't check the number of frames for alignment
ALSA: usb-audio: Handle the error from snd_usb_mixer_apply_create_quirk()
packet: in recvmsg msg_name return at least sizeof sockaddr_ll
ASoC: fix valid stream condition
usb: gadget: fsl: fix link error against usb-gadget module
IB/mlx5: Add missing XRC options to QP optional params mask
iommu/vt-d: Make kernel parameter igfx_off work with vIOMMU
net: ena: fix swapped parameters when calling ena_com_indirect_table_fill_entry
net: ena: fix: Free napi resources when ena_up() fails
net: ena: fix incorrect test of supported hash function
net: ena: fix ena_com_fill_hash_function() implementation
dmaengine: tegra210-adma: restore channel status
l2tp: Fix possible NULL pointer dereference
media: omap_vout: potential buffer overflow in vidioc_dqbuf()
media: davinci/vpbe: array underflow in vpbe_enum_outputs()
platform/x86: alienware-wmi: printing the wrong error code
netfilter: ebtables: CONFIG_COMPAT: reject trailing data after last rule
pwm: meson: Don't disable PWM when setting duty repeatedly
ARM: riscpc: fix lack of keyboard interrupts after irq conversion
kdb: do a sanity check on the cpu in kdb_per_cpu()
backlight: lm3630a: Return 0 on success in update_status functions
thermal: cpu_cooling: Actually trace CPU load in thermal_power_cpu_get_power
dmaengine: tegra210-adma: Fix crash during probe
spi: spi-fsl-spi: call spi_finalize_current_message() at the end
crypto: ccp - fix AES CFB error exposed by new test vectors
serial: stm32: fix transmit_chars when tx is stopped
misc: sgi-xp: Properly initialize buf in xpc_get_rsvd_page_pa
iommu: Use right function to get group for device
signal/cifs: Fix cifs_put_tcp_session to call send_sig instead of force_sig
inet: frags: call inet_frags_fini() after unregister_pernet_subsys()
media: vivid: fix incorrect assignment operation when setting video mode
powerpc/cacheinfo: add cacheinfo_teardown, cacheinfo_rebuild
drm/msm/mdp5: Fix mdp5_cfg_init error return
net: netem: fix backlog accounting for corrupted GSO frames
net/af_iucv: always register net_device notifier
ASoC: ti: davinci-mcasp: Fix slot mask settings when using multiple AXRs
rtc: pcf8563: Clear event flags and disable interrupts before requesting irq
drm/msm/a3xx: remove TPL1 regs from snapshot
perf/ioctl: Add check for the sample_period value
dmaengine: hsu: Revert "set HSU_CH_MTSR to memory width"
clk: qcom: Fix -Wunused-const-variable
iommu/amd: Make iommu_disable safer
mfd: intel-lpss: Release IDA resources
rxrpc: Fix uninitialized error code in rxrpc_send_data_packet()
devres: allow const resource arguments
RDMA/hns: Fixs hw access invalid dma memory error
net: pasemi: fix an use-after-free in pasemi_mac_phy_init()
scsi: libfc: fix null pointer dereference on a null lport
libertas_tf: Use correct channel range in lbtf_geo_init
qed: reduce maximum stack frame size
usb: host: xhci-hub: fix extra endianness conversion
mic: avoid statically declaring a 'struct device'.
x86/kgbd: Use NMI_VECTOR not APIC_DM_NMI
ALSA: aoa: onyx: always initialize register read value
net/mlx5: Fix mlx5_ifc_query_lag_out_bits
cifs: fix rmmod regression in cifs.ko caused by force_sig changes
crypto: caam - free resources in case caam_rng registration failed
ext4: set error return correctly when ext4_htree_store_dirent fails
ASoC: es8328: Fix copy-paste error in es8328_right_line_controls
ASoC: cs4349: Use PM ops 'cs4349_runtime_pm'
ASoC: wm8737: Fix copy-paste error in wm8737_snd_controls
signal: Allow cifs and drbd to receive their terminating signals
ASoC: sun4i-i2s: RX and TX counter registers are swapped
dmaengine: dw: platform: Switch to acpi_dma_controller_register()
mac80211: minstrel_ht: fix per-group max throughput rate initialization
mips: avoid explicit UB in assignment of mips_io_port_base
ahci: Do not export local variable ahci_em_messages
Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()"
hwmon: (lm75) Fix write operations for negative temperatures
power: supply: Init device wakeup after device_add()
x86, perf: Fix the dependency of the x86 insn decoder selftest
staging: greybus: light: fix a couple double frees
bcma: fix incorrect update of BCMA_CORE_PCI_MDIO_DATA
iio: dac: ad5380: fix incorrect assignment to val
ath9k: dynack: fix possible deadlock in ath_dynack_node_{de}init
net: sonic: return NETDEV_TX_OK if failed to map buffer
Btrfs: fix hang when loading existing inode cache off disk
hwmon: (shtc1) fix shtc1 and shtw1 id mask
net: sonic: replace dev_kfree_skb in sonic_send_packet
net/rds: Fix 'ib_evt_handler_call' element in 'rds_ib_stat_names'
iommu/amd: Wait for completion of IOTLB flush in attach_device
net: hisilicon: Fix signedness bug in hix5hd2_dev_probe()
net: broadcom/bcmsysport: Fix signedness in bcm_sysport_probe()
net: stmmac: dwmac-meson8b: Fix signedness bug in probe
of: mdio: Fix a signedness bug in of_phy_get_and_connect()
net: ethernet: stmmac: Fix signedness bug in ipq806x_gmac_of_parse()
nvme: retain split access workaround for capability reads
net: stmmac: gmac4+: Not all Unicast addresses may be available
mac80211: accept deauth frames in IBSS mode
llc: fix another potential sk_buff leak in llc_ui_sendmsg()
llc: fix sk_buff refcounting in llc_conn_state_process()
net: stmmac: fix length of PTP clock's name string
act_mirred: Fix mirred_init_module error handling
drm/msm/dsi: Implement reset correctly
dmaengine: imx-sdma: fix size check for sdma script_number
net: netem: fix error path for corrupted GSO frames
net: netem: correct the parent's backlog when corrupted packet was dropped
net: qca_spi: Move reset_count to struct qcaspi
afs: Fix large file support
media: ov6650: Fix incorrect use of JPEG colorspace
media: ov6650: Fix some format attributes not under control
media: ov6650: Fix .get_fmt() V4L2_SUBDEV_FORMAT_TRY support
MIPS: Loongson: Fix return value of loongson_hwmon_init
net: neigh: use long type to store jiffies delta
packet: fix data-race in fanout_flow_is_huge()
dmaengine: ti: edma: fix missed failure handling
drm/radeon: fix bad DMA from INTERRUPT_CNTL2
arm64: dts: juno: Fix UART frequency
IB/iser: Fix dma_nents type definition
m68k: Call timer_interrupt() with interrupts disabled
net: ethtool: Add back transceiver type
net: phy: Keep reporting transceiver type
can, slip: Protect tty->disc_data in write_wakeup and close with RCU
firestream: fix memory leaks
net: cxgb3_main: Add CAP_NET_ADMIN check to CHELSIO_GET_MEM
net, ip6_tunnel: fix namespaces move
net, ip_tunnel: fix namespaces move
net_sched: fix datalen for ematch
tcp_bbr: improve arithmetic division in bbr_update_bw()
net: usb: lan78xx: Add .ndo_features_check
gtp: make sure only SOCK_DGRAM UDP sockets are accepted
hwmon: (adt7475) Make volt2reg return same reg as reg2volt input
hwmon: (core) Simplify sysfs attribute name allocation
hwmon: Deal with errors from the thermal subsystem
hwmon: (core) Fix double-free in __hwmon_device_register()
hwmon: (core) Do not use device managed functions for memory allocations
Input: keyspan-remote - fix control-message timeouts
ARM: 8950/1: ftrace/recordmcount: filter relocation types
mmc: tegra: fix SDR50 tuning override
mmc: sdhci: fix minimum clock rate for v3 controller
Input: sur40 - fix interface sanity checks
Input: gtco - fix endpoint sanity check
Input: aiptek - fix endpoint sanity check
Input: pegasus_notetaker - fix endpoint sanity check
Input: sun4i-ts - add a check for devm_thermal_zone_of_sensor_register
hwmon: (nct7802) Fix voltage limits to wrong registers
scsi: RDMA/isert: Fix a recently introduced regression related to logout
tracing: xen: Ordered comparison of function pointers
do_last(): fetch directory ->i_mode and ->i_uid before it's too late
Documentation: Document arm64 kpti control
arm64: kpti: Whitelist Cortex-A CPUs that don't implement the CSV3 field
coresight: etb10: Do not call smp_processor_id from preemptible
coresight: tmc-etf: Do not call smp_processor_id from preemptible
libertas: Fix two buffer overflows at parsing bss descriptor
bcache: silence static checker warning
scsi: iscsi: Avoid potential deadlock in iscsi_if_rx func
md: Avoid namespace collision with bitmap API
bitmap: Add bitmap_alloc(), bitmap_zalloc() and bitmap_free()
netfilter: ipset: use bitmap infrastructure completely
net/x25: fix nonblocking connect
Linux 4.9.212
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I2e83a05c5f119a7467a4d6984045d45d0c06b764
[ Upstream commit b586627e10f57ee3aa8f0cfab0d6f7dc4ae63760 ]
The "whichcpu" comes from argv[3]. The cpu_online() macro looks up the
cpu in a bitmap of online cpus, but if the value is too high then it
could read beyond the end of the bitmap and possibly Oops.
Fixes: 5d5314d679 ("kdb: core for kgdb back end (1 of 2)")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Dan Carpenterauthored and Greg Kroah-Hartmancommited 2020-01-29 10:24:24 +01:00
There are several definitions of those functions/macros in places that
mess with fixed-point load averages. Provide an official version.
[akpm@linux-foundation.org: fix missed conversion in block/blk-iolatency.c]
Link: http://lkml.kernel.org/r/20180828172258.3185-5-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Suren Baghdasaryan <surenb@google.com>
Tested-by: Daniel Drake <drake@endlessm.com>
Cc: Christopher Lameter <cl@linux.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Johannes Weiner <jweiner@fb.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Enderborg <peter.enderborg@sony.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vinayak Menon <vinmenon@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit 8508cf3ffad4defa202b303e5b6379efc4cd9054)
Bug: 111308141
Test: modified lmkd to use PSI and tested using lmkd_unit_test
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: I8527805ff614a28d1c0c59d509beabad20395328
Johannes Weinerauthored and Suren Baghdasaryancommited 2019-03-22 14:08:50 -07:00
We are going to split <linux/sched/loadavg.h> out of <linux/sched.h>, which
will have to be picked up from a couple of .c files.
Create a trivial placeholder <linux/sched/topology.h> file that just
maps to <linux/sched.h> to make this patch obviously correct and
bisectable.
Include the new header in the files that are going to need it.
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(cherry picked from commit 4f17722c7256af8e17c2c4f29f170247264bdf48)
Bug: 111308141
Test: modified lmkd to use PSI and tested using lmkd_unit_test
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Change-Id: I6da8f80df8e4d9b919a56b286a86d5a72b189684
Ingo Molnarauthored and Suren Baghdasaryancommited 2019-03-22 14:07:14 -07:00
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Merge 4.9.144 into android-4.9
Changes in 4.9.144
Kbuild: suppress packed-not-aligned warning for default setting only
disable stringop truncation warnings for now
test_hexdump: use memcpy instead of strncpy
kobject: Replace strncpy with memcpy
unifdef: use memcpy instead of strncpy
kernfs: Replace strncpy with memcpy
ip_tunnel: Fix name string concatenate in __ip_tunnel_create()
drm: gma500: fix logic error
scsi: bfa: convert to strlcpy/strlcat
staging: rts5208: fix gcc-8 logic error warning
kdb: use memmove instead of overlapping memcpy
x86/power/64: Use char arrays for asm function names
iser: set sector for ambiguous mr status errors
uprobes: Fix handle_swbp() vs. unregister() + register() race once more
MIPS: ralink: Fix mt7620 nd_sd pinmux
mips: fix mips_get_syscall_arg o32 check
IB/mlx5: Avoid load failure due to unknown link width
drm/ast: Fix incorrect free on ioregs
drm: set is_master to 0 upon drm_new_set_master() failure
scsi: scsi_devinfo: cleanly zero-pad devinfo strings
ALSA: trident: Suppress gcc string warning
scsi: csiostor: Avoid content leaks and casts
kgdboc: Fix restrict error
kgdboc: Fix warning with module build
binder: fix proc->files use-after-free
svm: Add mutex_lock to protect apic_access_page_done on AMD systems
drm/mediatek: fix OF sibling-node lookup
Input: xpad - quirk all PDP Xbox One gamepads
Input: matrix_keypad - check for errors from of_get_named_gpio()
Input: elan_i2c - add ELAN0620 to the ACPI table
Input: elan_i2c - add ACPI ID for Lenovo IdeaPad 330-15ARR
Input: elan_i2c - add support for ELAN0621 touchpad
btrfs: Always try all copies when reading extent buffers
Btrfs: fix use-after-free when dumping free space
ARC: change defconfig defaults to ARCv2
arc: [devboards] Add support of NFSv3 ACL
udf: Allow mounting volumes with incorrect identification strings
reset: make optional functions really optional
reset: core: fix reset_control_put
reset: fix optional reset_control_get stubs to return NULL
reset: add exported __reset_control_get, return NULL if optional
reset: make device_reset_optional() really optional
reset: remove remaining WARN_ON() in <linux/reset.h>
mm: cleancache: fix corruption on missed inode invalidation
usb: gadget: dummy: fix nonsensical comparisons
net: qed: use correct strncpy() size
tipc: use destination length for copy string
libceph: drop len argument of *verify_authorizer_reply()
libceph: no need to drop con->mutex for ->get_authorizer()
libceph: store ceph_auth_handshake pointer in ceph_connection
libceph: factor out __prepare_write_connect()
libceph: factor out __ceph_x_decrypt()
libceph: factor out encrypt_authorizer()
libceph: add authorizer challenge
libceph: implement CEPHX_V2 calculation mode
libceph: weaken sizeof check in ceph_x_verify_authorizer_reply()
libceph: check authorizer reply/challenge length before reading
bpf/verifier: Add spi variable to check_stack_write()
bpf/verifier: Pass instruction index to check_mem_access() and check_xadd()
bpf: Prevent memory disambiguation attack
wil6210: missing length check in wmi_set_ie
mm/hugetlb.c: don't call region_abort if region_chg fails
hugetlbfs: fix offset overflow in hugetlbfs mmap
hugetlbfs: check for pgoff value overflow
btrfs: validate type when reading a chunk
btrfs: Verify that every chunk has corresponding block group at mount time
btrfs: Refactor check_leaf function for later expansion
btrfs: Check if item pointer overlaps with the item itself
btrfs: Add sanity check for EXTENT_DATA when reading out leaf
btrfs: Add checker for EXTENT_CSUM
btrfs: Move leaf and node validation checker to tree-checker.c
btrfs: struct-funcs, constify readers
btrfs: tree-checker: Enhance btrfs_check_node output
btrfs: tree-checker: Fix false panic for sanity test
btrfs: tree-checker: Add checker for dir item
btrfs: tree-checker: use %zu format string for size_t
btrfs: tree-check: reduce stack consumption in check_dir_item
btrfs: tree-checker: Verify block_group_item
btrfs: tree-checker: Detect invalid and empty essential trees
btrfs: Check that each block group has corresponding chunk at mount time
btrfs: tree-checker: Check level for leaves and nodes
btrfs: tree-checker: Fix misleading group system information
f2fs: fix a panic caused by NULL flush_cmd_control
f2fs: fix race condition in between free nid allocator/initializer
f2fs: detect wrong layout
f2fs: return error during fill_super
f2fs: check blkaddr more accuratly before issue a bio
f2fs: sanity check on sit entry
f2fs: enhance sanity_check_raw_super() to avoid potential overflow
f2fs: clean up with is_valid_blkaddr()
f2fs: introduce and spread verify_blkaddr
f2fs: fix to do sanity check with secs_per_zone
f2fs: fix to do sanity check with user_block_count
f2fs: Add sanity_check_inode() function
f2fs: fix to do sanity check with node footer and iblocks
f2fs: fix to do sanity check with block address in main area
f2fs: fix missing up_read
f2fs: fix to do sanity check with block address in main area v2
f2fs: free meta pages if sanity check for ckpt is failed
f2fs: fix to do sanity check with cp_pack_start_sum
xfs: don't fail when converting shortform attr to long form during ATTR_REPLACE
hugetlbfs: fix bug in pgoff overflow checking
Linux 4.9.144
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
commit 2cf2f0d5b91fd1b06a6ae260462fc7945ea84add upstream.
gcc discovered that the memcpy() arguments in kdbnearsym() overlap, so
we should really use memmove(), which is defined to handle that correctly:
In function 'memcpy',
inlined from 'kdbnearsym' at /git/arm-soc/kernel/debug/kdb/kdb_support.c:132:4:
/git/arm-soc/include/linux/string.h:353:9: error: '__builtin_memcpy' accessing 792 bytes at offsets 0 and 8 overlaps 784 bytes at offset 8 [-Werror=restrict]
return __builtin_memcpy(p, q, size);
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Arnd Bergmannauthored and Greg Kroah-Hartmancommited 2018-12-08 13:05:05 +01:00
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Merge 4.9.142 into android-4.9
Changes in 4.9.142
usb: core: Fix hub port connection events lost
usb: dwc3: core: Clean up ULPI device
usb: xhci: fix timeout for transition from RExit to U0
MAINTAINERS: Add Sasha as a stable branch maintainer
gpio: don't free unallocated ida on gpiochip_add_data_with_key() error path
iwlwifi: mvm: support sta_statistics() even on older firmware
iwlwifi: mvm: fix regulatory domain update when the firmware starts
brcmfmac: fix reporting support for 160 MHz channels
tools/power/cpupower: fix compilation with STATIC=true
v9fs_dir_readdir: fix double-free on p9stat_read error
selinux: Add __GFP_NOWARN to allocation at str_read()
bfs: add sanity check at bfs_fill_super()
sctp: clear the transport of some out_chunk_list chunks in sctp_assoc_rm_peer
gfs2: Don't leave s_fs_info pointing to freed memory in init_sbd
llc: do not use sk_eat_skb()
mm: don't warn about large allocations for slab
drm/ast: change resolution may cause screen blurred
drm/ast: fixed cursor may disappear sometimes
drm/ast: Remove existing framebuffers before loading driver
can: dev: can_get_echo_skb(): factor out non sending code to __can_get_echo_skb()
can: dev: __can_get_echo_skb(): replace struct can_frame by canfd_frame to access frame length
can: dev: __can_get_echo_skb(): Don't crash the kernel if can_priv::echo_skb is accessed out of bounds
can: dev: __can_get_echo_skb(): print error message, if trying to echo non existing skb
IB/core: Fix for core panic
IB/hfi1: Eliminate races in the SDMA send error path
usb: xhci: Prevent bus suspend if a port connect change or polling state is detected
pinctrl: meson: fix pinconf bias disable
KVM: PPC: Move and undef TRACE_INCLUDE_PATH/FILE
cpufreq: imx6q: add return value check for voltage scale
rtc: pcf2127: fix a kmemleak caused in pcf2127_i2c_gather_write
floppy: fix race condition in __floppy_read_block_0()
powerpc/io: Fix the IO workarounds code to work with Radix
perf/x86/intel/uncore: Add more IMC PCI IDs for KabyLake and CoffeeLake CPUs
SUNRPC: Fix a bogus get/put in generic_key_to_expire()
kdb: Use strscpy with destination buffer size
powerpc/numa: Suppress "VPHN is not supported" messages
efi/arm: Revert deferred unmap of early memmap mapping
tmpfs: make lseek(SEEK_DATA/SEK_HOLE) return ENXIO with a negative offset
of: add helper to lookup compatible child node
NFC: nfcmrvl_uart: fix OF child-node lookup
net: bcmgenet: fix OF child-node lookup
arm64: remove no-op -p linker flag
ath10k: fix kernel panic due to race in accessing arvif list
Input: xpad - add product ID for Xbox One S pad
Input: xpad - fix Xbox One rumble stopping after 2.5 secs
Input: xpad - correctly sort vendor id's
Input: xpad - move reporting xbox one home button to common function
Input: xpad - simplify error condition in init_output
Input: xpad - don't depend on endpoint order
Input: xpad - fix stuck mode button on Xbox One S pad
Input: xpad - restore LED state after device resume
Input: xpad - support some quirky Xbox One pads
Input: xpad - sort supported devices by USB ID
Input: xpad - sync supported devices with xboxdrv
Input: xpad - add USB IDs for Mad Catz Brawlstick and Razer Sabertooth
Input: xpad - sync supported devices with 360Controller
Input: xpad - sync supported devices with XBCD
Input: xpad - constify usb_device_id
Input: xpad - fix PowerA init quirk for some gamepad models
Input: xpad - validate USB endpoint type during probe
Input: xpad - add support for PDP Xbox One controllers
Input: xpad - add PDP device id 0x02a4
Input: xpad - fix some coding style issues
Input: xpad - avoid using __set_bit() for capabilities
Input: xpad - add GPD Win 2 Controller USB IDs
Input: xpad - fix GPD Win 2 controller name
Input: xpad - add support for Xbox1 PDP Camo series gamepad
cw1200: Don't leak memory if krealloc failes
mwifiex: prevent register accesses after host is sleeping
mwifiex: report error to PCIe for suspend failure
mwifiex: Fix NULL pointer dereference in skb_dequeue()
mwifiex: fix p2p device doesn't find in scan problem
scsi: ufs: fix bugs related to null pointer access and array size
scsi: ufshcd: Fix race between clk scaling and ungate work
scsi: ufs: fix race between clock gating and devfreq scaling work
scsi: ufshcd: release resources if probe fails
include/linux/pfn_t.h: force '~' to be parsed as an unary operator
tty: wipe buffer.
tty: wipe buffer if not echoing data
usb: xhci: fix uninitialized completion when USB3 port got wrong status
sched/core: Allow __sched_setscheduler() in interrupts when PI is not used
namei: allow restricted O_CREAT of FIFOs and regular files
lan78xx: Read MAC address from DT if present
s390/mm: Check for valid vma before zapping in gmap_discard
net: ieee802154: 6lowpan: fix frag reassembly
Revert "evm: Translate user/group ids relative to s_user_ns when computing HMAC"
ima: always measure and audit files in policy
EVM: Add support for portable signature format
ima: re-introduce own integrity cache lock
ima: re-initialize iint->atomic_flags
Linux 4.9.142
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
[ Upstream commit c2b94c72d93d0929f48157eef128c4f9d2e603ce ]
gcc 8.1.0 warns with:
kernel/debug/kdb/kdb_support.c: In function ‘kallsyms_symbol_next’:
kernel/debug/kdb/kdb_support.c:239:4: warning: ‘strncpy’ specified bound depends on the length of the source argument [-Wstringop-overflow=]
strncpy(prefix_name, name, strlen(name)+1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/debug/kdb/kdb_support.c:239:31: note: length computed here
Use strscpy() with the destination buffer size, and use ellipses when
displaying truncated symbols.
v2: Use strscpy()
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Jonathan Toppins <jtoppins@redhat.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: kgdb-bugreport@lists.sourceforge.net
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Prarit Bhargavaauthored and Greg Kroah-Hartmancommited 2018-12-01 09:44:21 +01:00
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Merge 4.9.104 into android-4.9
Changes in 4.9.104
MIPS: c-r4k: Fix data corruption related to cache coherence
MIPS: ptrace: Expose FIR register through FP regset
MIPS: Fix ptrace(2) PTRACE_PEEKUSR and PTRACE_POKEUSR accesses to o32 FGRs
KVM: Fix spelling mistake: "cop_unsuable" -> "cop_unusable"
affs_lookup(): close a race with affs_remove_link()
aio: fix io_destroy(2) vs. lookup_ioctx() race
ALSA: timer: Fix pause event notification
do d_instantiate/unlock_new_inode combinations safely
mmc: sdhci-iproc: remove hard coded mmc cap 1.8v
mmc: sdhci-iproc: fix 32bit writes for TRANSFER_MODE register
libata: Blacklist some Sandisk SSDs for NCQ
libata: blacklist Micron 500IT SSD with MU01 firmware
xen-swiotlb: fix the check condition for xen_swiotlb_free_coherent
drm/vmwgfx: Fix 32-bit VMW_PORT_HB_[IN|OUT] macros
IB/hfi1: Use after free race condition in send context error path
Revert "ipc/shm: Fix shmat mmap nil-page protection"
ipc/shm: fix shmat() nil address after round-down when remapping
kasan: fix memory hotplug during boot
kernel/sys.c: fix potential Spectre v1 issue
kernel/signal.c: avoid undefined behaviour in kill_something_info
KVM/VMX: Expose SSBD properly to guests
KVM: s390: vsie: fix < 8k check for the itdba
KVM: x86: Update cpuid properly when CR4.OSXAVE or CR4.PKE is changed
kvm: x86: IA32_ARCH_CAPABILITIES is always supported
firewire-ohci: work around oversized DMA reads on JMicron controllers
x86/tsc: Allow TSC calibration without PIT
NFSv4: always set NFS_LOCK_LOST when a lock is lost.
ALSA: hda - Use IS_REACHABLE() for dependency on input
kvm: x86: fix KVM_XEN_HVM_CONFIG ioctl
netfilter: ipv6: nf_defrag: Pass on packets to stack per RFC2460
tracing/hrtimer: Fix tracing bugs by taking all clock bases and modes into account
PCI: Add function 1 DMA alias quirk for Marvell 9128
Input: psmouse - fix Synaptics detection when protocol is disabled
i40iw: Zero-out consumer key on allocate stag for FMR
tools lib traceevent: Simplify pointer print logic and fix %pF
perf callchain: Fix attr.sample_max_stack setting
tools lib traceevent: Fix get_field_str() for dynamic strings
perf record: Fix failed memory allocation for get_cpuid_str
iommu/vt-d: Use domain instead of cache fetching
dm thin: fix documentation relative to low water mark threshold
net: stmmac: dwmac-meson8b: fix setting the RGMII TX clock on Meson8b
net: stmmac: dwmac-meson8b: propagate rate changes to the parent clock
nfs: Do not convert nfs_idmap_cache_timeout to jiffies
watchdog: sp5100_tco: Fix watchdog disable bit
kconfig: Don't leak main menus during parsing
kconfig: Fix automatic menu creation mem leak
kconfig: Fix expr_free() E_NOT leak
mac80211_hwsim: fix possible memory leak in hwsim_new_radio_nl()
ipmi/powernv: Fix error return code in ipmi_powernv_probe()
Btrfs: set plug for fsync
btrfs: Fix out of bounds access in btrfs_search_slot
Btrfs: fix scrub to repair raid6 corruption
btrfs: fail mount when sb flag is not in BTRFS_SUPER_FLAG_SUPP
HID: roccat: prevent an out of bounds read in kovaplus_profile_activated()
fm10k: fix "failed to kill vid" message for VF
device property: Define type of PROPERTY_ENRTY_*() macros
jffs2: Fix use-after-free bug in jffs2_iget()'s error handling path
powerpc/numa: Use ibm,max-associativity-domains to discover possible nodes
powerpc/numa: Ensure nodes initialized for hotplug
RDMA/mlx5: Avoid memory leak in case of XRCD dealloc failure
ntb_transport: Fix bug with max_mw_size parameter
gianfar: prevent integer wrapping in the rx handler
tcp_nv: fix potential integer overflow in tcpnv_acked
kvm: Map PFN-type memory regions as writable (if possible)
ocfs2: return -EROFS to mount.ocfs2 if inode block is invalid
ocfs2/acl: use 'ip_xattr_sem' to protect getting extended attribute
ocfs2: return error when we attempt to access a dirty bh in jbd2
mm/mempolicy: fix the check of nodemask from user
mm/mempolicy: add nodes_empty check in SYSC_migrate_pages
asm-generic: provide generic_pmdp_establish()
sparc64: update pmdp_invalidate() to return old pmd value
mm: thp: use down_read_trylock() in khugepaged to avoid long block
mm: pin address_space before dereferencing it while isolating an LRU page
mm/fadvise: discard partial page if endbyte is also EOF
openvswitch: Remove padding from packet before L3+ conntrack processing
IB/ipoib: Fix for potential no-carrier state
drm/nouveau/pmu/fuc: don't use movw directly anymore
netfilter: ipv6: nf_defrag: Kill frag queue on RFC2460 failure
x86/power: Fix swsusp_arch_resume prototype
firmware: dmi_scan: Fix handling of empty DMI strings
ACPI: processor_perflib: Do not send _PPC change notification if not ready
ACPI / scan: Use acpi_bus_get_status() to initialize ACPI_TYPE_DEVICE devs
bpf: fix selftests/bpf test_kmod.sh failure when CONFIG_BPF_JIT_ALWAYS_ON=y
MIPS: generic: Fix machine compatible matching
MIPS: TXx9: use IS_BUILTIN() for CONFIG_LEDS_CLASS
xen-netfront: Fix race between device setup and open
xen/grant-table: Use put_page instead of free_page
RDS: IB: Fix null pointer issue
arm64: spinlock: Fix theoretical trylock() A-B-A with LSE atomics
proc: fix /proc/*/map_files lookup
cifs: silence compiler warnings showing up with gcc-8.0.0
bcache: properly set task state in bch_writeback_thread()
bcache: fix for allocator and register thread race
bcache: fix for data collapse after re-attaching an attached device
bcache: return attach error when no cache set exist
tools/libbpf: handle issues with bpf ELF objects containing .eh_frames
bpf: fix rlimit in reuseport net selftest
vfs/proc/kcore, x86/mm/kcore: Fix SMAP fault when dumping vsyscall user page
locking/qspinlock: Ensure node->count is updated before initialising node
irqchip/gic-v3: Ignore disabled ITS nodes
cpumask: Make for_each_cpu_wrap() available on UP as well
irqchip/gic-v3: Change pr_debug message to pr_devel
ARC: Fix malformed ARC_EMUL_UNALIGNED default
ptr_ring: prevent integer overflow when calculating size
libata: Fix compile warning with ATA_DEBUG enabled
selftests: pstore: Adding config fragment CONFIG_PSTORE_RAM=m
selftests: memfd: add config fragment for fuse
ARM: OMAP2+: timer: fix a kmemleak caused in omap_get_timer_dt
ARM: OMAP3: Fix prm wake interrupt for resume
ARM: OMAP1: clock: Fix debugfs_create_*() usage
ibmvnic: Free RX socket buffer in case of adapter error
iwlwifi: mvm: fix security bug in PN checking
iwlwifi: mvm: always init rs with 20mhz bandwidth rates
NFC: llcp: Limit size of SDP URI
rxrpc: Work around usercopy check
mac80211: round IEEE80211_TX_STATUS_HEADROOM up to multiple of 4
mac80211: fix a possible leak of station stats
mac80211: fix calling sleeping function in atomic context
mac80211: Do not disconnect on invalid operating class
md raid10: fix NULL deference in handle_write_completed()
drm/exynos: g2d: use monotonic timestamps
drm/exynos: fix comparison to bitshift when dealing with a mask
locking/xchg/alpha: Add unconditional memory barrier to cmpxchg()
md: raid5: avoid string overflow warning
kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE
powerpc/bpf/jit: Fix 32-bit JIT for seccomp_data access
s390/cio: fix ccw_device_start_timeout API
s390/cio: fix return code after missing interrupt
s390/cio: clear timer when terminating driver I/O
PKCS#7: fix direct verification of SignerInfo signature
ARM: OMAP: Fix dmtimer init for omap1
smsc75xx: fix smsc75xx_set_features()
regulatory: add NUL to request alpha2
integrity/security: fix digsig.c build error with header file
locking/xchg/alpha: Fix xchg() and cmpxchg() memory ordering bugs
x86/topology: Update the 'cpu cores' field in /proc/cpuinfo correctly across CPU hotplug operations
mac80211: drop frames with unexpected DS bits from fast-rx to slow path
arm64: fix unwind_frame() for filtered out fn for function graph tracing
macvlan: fix use-after-free in macvlan_common_newlink()
kvm: fix warning for CONFIG_HAVE_KVM_EVENTFD builds
fs: dcache: Avoid livelock between d_alloc_parallel and __d_add
fs: dcache: Use READ_ONCE when accessing i_dir_seq
md: fix a potential deadlock of raid5/raid10 reshape
md/raid1: fix NULL pointer dereference
batman-adv: fix packet checksum in receive path
batman-adv: invalidate checksum on fragment reassembly
netfilter: ebtables: convert BUG_ONs to WARN_ONs
batman-adv: Ignore invalid batadv_iv_gw during netlink send
batman-adv: Ignore invalid batadv_v_gw during netlink send
batman-adv: Fix netlink dumping of BLA claims
batman-adv: Fix netlink dumping of BLA backbones
nvme-pci: Fix nvme queue cleanup if IRQ setup fails
clocksource/drivers/fsl_ftm_timer: Fix error return checking
ceph: fix dentry leak when failing to init debugfs
ARM: orion5x: Revert commit 4904dbda41.
qrtr: add MODULE_ALIAS macro to smd
r8152: fix tx packets accounting
virtio-gpu: fix ioctl and expose the fixed status to userspace.
dmaengine: rcar-dmac: fix max_chunk_size for R-Car Gen3
bcache: fix kcrashes with fio in RAID5 backend dev
ip6_tunnel: fix IFLA_MTU ignored on NEWLINK
sit: fix IFLA_MTU ignored on NEWLINK
ARM: dts: NSP: Fix amount of RAM on BCM958625HR
powerpc/boot: Fix random libfdt related build errors
gianfar: Fix Rx byte accounting for ndev stats
net/tcp/illinois: replace broken algorithm reference link
nvmet: fix PSDT field check in command format
xen/pirq: fix error path cleanup when binding MSIs
drm/sun4i: Fix dclk_set_phase
Btrfs: send, fix issuing write op when processing hole in no data mode
selftests/powerpc: Skip the subpage_prot tests if the syscall is unavailable
KVM: PPC: Book3S HV: Fix VRMA initialization with 2MB or 1GB memory backing
iwlwifi: mvm: fix TX of CCMP 256
watchdog: f71808e_wdt: Fix magic close handling
watchdog: sbsa: use 32-bit read for WCV
batman-adv: Fix multicast packet loss with a single WANT_ALL_IPV4/6 flag
e1000e: Fix check_for_link return value with autoneg off
e1000e: allocate ring descriptors with dma_zalloc_coherent
ia64/err-inject: Use get_user_pages_fast()
RDMA/qedr: Fix kernel panic when running fio over NFSoRDMA
RDMA/qedr: Fix iWARP write and send with immediate
IB/mlx4: Fix corruption of RoCEv2 IPv4 GIDs
IB/mlx4: Include GID type when deleting GIDs from HW table under RoCE
IB/mlx5: Fix an error code in __mlx5_ib_modify_qp()
fbdev: Fixing arbitrary kernel leak in case FBIOGETCMAP_SPARC in sbusfb_ioctl_helper().
fsl/fman: avoid sleeping in atomic context while adding an address
net: qcom/emac: Use proper free methods during TX
net: smsc911x: Fix unload crash when link is up
IB/core: Fix possible crash to access NULL netdev
xen: xenbus: use put_device() instead of kfree()
arm64: Relax ARM_SMCCC_ARCH_WORKAROUND_1 discovery
dmaengine: mv_xor_v2: Fix clock resource by adding a register clock
netfilter: ebtables: fix erroneous reject of last rule
bnxt_en: Check valid VNIC ID in bnxt_hwrm_vnic_set_tpa().
workqueue: use put_device() instead of kfree()
ipv4: lock mtu in fnhe when received PMTU < net.ipv4.route.min_pmtu
sunvnet: does not support GSO for sctp
drm/imx: move arming of the vblank event to atomic_flush
net: Fix vlan untag for bridge and vlan_dev with reorder_hdr off
batman-adv: fix header size check in batadv_dbg_arp()
batman-adv: Fix skbuff rcsum on packet reroute
vti4: Don't count header length twice on tunnel setup
vti4: Don't override MTU passed on link creation via IFLA_MTU
perf/cgroup: Fix child event counting bug
brcmfmac: Fix check for ISO3166 code
kbuild: make scripts/adjust_autoksyms.sh robust against timestamp races
RDMA/ucma: Correct option size check using optlen
RDMA/qedr: fix QP's ack timeout configuration
RDMA/qedr: Fix rc initialization on CNQ allocation failure
mm/mempolicy.c: avoid use uninitialized preferred_node
mm, thp: do not cause memcg oom for thp
selftests: ftrace: Add probe event argument syntax testcase
selftests: ftrace: Add a testcase for string type with kprobe_event
selftests: ftrace: Add a testcase for probepoint
batman-adv: fix multicast-via-unicast transmission with AP isolation
batman-adv: fix packet loss for broadcasted DHCP packets to a server
ARM: 8748/1: mm: Define vdso_start, vdso_end as array
net: qmi_wwan: add BroadMobi BM806U 2020:2033
perf/x86/intel: Fix linear IP of PEBS real_ip on Haswell and later CPUs
llc: properly handle dev_queue_xmit() return value
builddeb: Fix header package regarding dtc source links
mm/kmemleak.c: wait for scan completion before disabling free
net: Fix untag for vlan packets without ethernet header
net: mvneta: fix enable of all initialized RXQs
sh: fix debug trap failure to process signals before return to user
nvme: don't send keep-alives to the discovery controller
x86/pgtable: Don't set huge PUD/PMD on non-leaf entries
x86/mm: Do not forbid _PAGE_RW before init for __ro_after_init
fs/proc/proc_sysctl.c: fix potential page fault while unregistering sysctl table
swap: divide-by-zero when zero length swap file on ssd
sr: get/drop reference to device in revalidate and check_events
Force log to disk before reading the AGF during a fstrim
cpufreq: CPPC: Initialize shared perf capabilities of CPUs
dp83640: Ensure against premature access to PHY registers after reset
mm/ksm: fix interaction with THP
mm: fix races between address_space dereference and free in page_evicatable
Btrfs: bail out on error during replay_dir_deletes
Btrfs: fix NULL pointer dereference in log_dir_items
btrfs: Fix possible softlock on single core machines
ocfs2/dlm: don't handle migrate lockres if already in shutdown
sched/rt: Fix rq->clock_update_flags < RQCF_ACT_SKIP warning
KVM: VMX: raise internal error for exception during invalid protected mode state
fscache: Fix hanging wait on page discarded by writeback
sparc64: Make atomic_xchg() an inline function rather than a macro.
net: bgmac: Fix endian access in bgmac_dma_tx_ring_free()
btrfs: tests/qgroup: Fix wrong tree backref level
Btrfs: fix copy_items() return value when logging an inode
btrfs: fix lockdep splat in btrfs_alloc_subvolume_writers
rxrpc: Fix Tx ring annotation after initial Tx failure
rxrpc: Don't treat call aborts as conn aborts
xen/acpi: off by one in read_acpi_id()
drivers: macintosh: rack-meter: really fix bogus memsets
ACPI: acpi_pad: Fix memory leak in power saving threads
powerpc/mpic: Check if cpu_possible() in mpic_physmask()
m68k: set dma and coherent masks for platform FEC ethernets
parisc/pci: Switch LBA PCI bus from Hard Fail to Soft Fail mode
hwmon: (nct6775) Fix writing pwmX_mode
powerpc/perf: Prevent kernel address leak to userspace via BHRB buffer
powerpc/perf: Fix kernel address leak via sampling registers
tools/thermal: tmon: fix for segfault
selftests: Print the test we're running to /dev/kmsg
net/mlx5: Protect from command bit overflow
ath10k: Fix kernel panic while using worker (ath10k_sta_rc_update_wk)
cxgb4: Setup FW queues before registering netdev
ima: Fallback to the builtin hash algorithm
virtio-net: Fix operstate for virtio when no VIRTIO_NET_F_STATUS
arm: dts: socfpga: fix GIC PPI warning
cpufreq: cppc_cpufreq: Fix cppc_cpufreq_init() failure path
zorro: Set up z->dev.dma_mask for the DMA API
bcache: quit dc->writeback_thread when BCACHE_DEV_DETACHING is set
ACPICA: Events: add a return on failure from acpi_hw_register_read
ACPICA: acpi: acpica: fix acpi operand cache leak in nseval.c
cxgb4: Fix queue free path of ULD drivers
i2c: mv64xxx: Apply errata delay only in standard mode
KVM: lapic: stop advertising DIRECTED_EOI when in-kernel IOAPIC is in use
perf top: Fix top.call-graph config option reading
perf stat: Fix core dump when flag T is used
IB/core: Honor port_num while resolving GID for IB link layer
regulator: gpio: Fix some error handling paths in 'gpio_regulator_probe()'
spi: bcm-qspi: fIX some error handling paths
MIPS: ath79: Fix AR724X_PLL_REG_PCIE_CONFIG offset
PCI: Restore config space on runtime resume despite being unbound
ipmi_ssif: Fix kernel panic at msg_done_handler
powerpc: Add missing prototype for arch_irq_work_raise()
f2fs: fix to check extent cache in f2fs_drop_extent_tree
perf/core: Fix perf_output_read_group()
drm/panel: simple: Fix the bus format for the Ontat panel
hwmon: (pmbus/max8688) Accept negative page register values
hwmon: (pmbus/adm1275) Accept negative page register values
perf/x86/intel: Properly save/restore the PMU state in the NMI handler
cdrom: do not call check_disk_change() inside cdrom_open()
perf/x86/intel: Fix large period handling on Broadwell CPUs
perf/x86/intel: Fix event update for auto-reload
arm64: dts: qcom: Fix SPI5 config on MSM8996
soc: qcom: wcnss_ctrl: Fix increment in NV upload
gfs2: Fix fallocate chunk size
x86/devicetree: Initialize device tree before using it
x86/devicetree: Fix device IRQ settings in DT
ALSA: vmaster: Propagate slave error
dmaengine: pl330: fix a race condition in case of threaded irqs
dmaengine: rcar-dmac: Check the done lists in rcar_dmac_chan_get_residue()
enic: enable rq before updating rq descriptors
hwrng: stm32 - add reset during probe
dmaengine: qcom: bam_dma: get num-channels and num-ees from dt
net: stmmac: ensure that the device has released ownership before reading data
net: stmmac: ensure that the MSS desc is the last desc to set the own bit
cpufreq: Reorder cpufreq_online() error code path
PCI: Add function 1 DMA alias quirk for Marvell 88SE9220
udf: Provide saner default for invalid uid / gid
ARM: dts: bcm283x: Fix probing of bcm2835-i2s
audit: return on memory error to avoid null pointer dereference
rcu: Call touch_nmi_watchdog() while printing stall warnings
pinctrl: sh-pfc: r8a7796: Fix MOD_SEL register pin assignment for SSI pins group
MIPS: Octeon: Fix logging messages with spurious periods after newlines
drm/rockchip: Respect page offset for PRIME mmap calls
x86/apic: Set up through-local-APIC mode on the boot CPU if 'noapic' specified
perf tests: Use arch__compare_symbol_names to compare symbols
perf report: Fix memory corruption in --branch-history mode --branch-history
selftests/net: fixes psock_fanout eBPF test case
netlabel: If PF_INET6, check sk_buff ip header version
regmap: Correct comparison in regmap_cached
ARM: dts: imx7d: cl-som-imx7: fix pinctrl_enet
ARM: dts: porter: Fix HDMI output routing
regulator: of: Add a missing 'of_node_put()' in an error handling path of 'of_regulator_match()'
pinctrl: msm: Use dynamic GPIO numbering
kdb: make "mdr" command repeat
Linux 4.9.104
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
[ Upstream commit 1e0ce03bf142454f38a5fc050bf4fd698d2d36d8 ]
The "mdr" command should repeat (continue) when only Enter/Return
is pressed, so make it do so.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: kgdb-bugreport@lists.sourceforge.net
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Randy Dunlapauthored and Greg Kroah-Hartmancommited 2018-05-30 07:50:51 +02:00
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Merge 4.9.69 into android-4.9
Changes in 4.9.69
usb: gadget: udc: renesas_usb3: fix number of the pipes
can: ti_hecc: Fix napi poll return value for repoll
can: kvaser_usb: free buf in error paths
can: kvaser_usb: Fix comparison bug in kvaser_usb_read_bulk_callback()
can: kvaser_usb: ratelimit errors if incomplete messages are received
can: kvaser_usb: cancel urb on -EPIPE and -EPROTO
can: ems_usb: cancel urb on -EPIPE and -EPROTO
can: esd_usb2: cancel urb on -EPIPE and -EPROTO
can: usb_8dev: cancel urb on -EPIPE and -EPROTO
virtio: release virtio index when fail to device_register
hv: kvp: Avoid reading past allocated blocks from KVP file
isa: Prevent NULL dereference in isa_bus driver callbacks
scsi: dma-mapping: always provide dma_get_cache_alignment
scsi: use dma_get_cache_alignment() as minimum DMA alignment
scsi: libsas: align sata_device's rps_resp on a cacheline
efi: Move some sysfs files to be read-only by root
efi/esrt: Use memunmap() instead of kfree() to free the remapping
ASN.1: fix out-of-bounds read when parsing indefinite length item
ASN.1: check for error from ASN1_OP_END__ACT actions
KEYS: add missing permission check for request_key() destination
X.509: reject invalid BIT STRING for subjectPublicKey
X.509: fix comparisons of ->pkey_algo
x86/PCI: Make broadcom_postcore_init() check acpi_disabled
KVM: x86: fix APIC page invalidation
btrfs: fix missing error return in btrfs_drop_snapshot
ALSA: pcm: prevent UAF in snd_pcm_info
ALSA: seq: Remove spurious WARN_ON() at timer check
ALSA: usb-audio: Fix out-of-bound error
ALSA: usb-audio: Add check return value for usb_string()
iommu/vt-d: Fix scatterlist offset handling
smp/hotplug: Move step CPUHP_AP_SMPCFD_DYING to the correct place
s390: fix compat system call table
KVM: s390: Fix skey emulation permission check
powerpc/64s: Initialize ISAv3 MMU registers before setting partition table
brcmfmac: change driver unbind order of the sdio function devices
kdb: Fix handling of kallsyms_symbol_next() return value
drm/exynos: gem: Drop NONCONTIG flag for buffers allocated without IOMMU
media: dvb: i2c transfers over usb cannot be done from stack
arm64: KVM: fix VTTBR_BADDR_MASK BUG_ON off-by-one
arm: KVM: Fix VTTBR_BADDR_MASK BUG_ON off-by-one
KVM: VMX: remove I/O port 0x80 bypass on Intel hosts
KVM: arm/arm64: Fix broken GICH_ELRSR big endian conversion
KVM: arm/arm64: vgic-irqfd: Fix MSI entry allocation
KVM: arm/arm64: vgic-its: Check result of allocation before use
arm64: fpsimd: Prevent registers leaking from dead tasks
bus: arm-cci: Fix use of smp_processor_id() in preemptible context
bus: arm-ccn: Check memory allocation failure
bus: arm-ccn: Fix use of smp_processor_id() in preemptible context
bus: arm-ccn: fix module unloading Error: Removing state 147 which has instances left.
crypto: talitos - fix AEAD test failures
crypto: talitos - fix memory corruption on SEC2
crypto: talitos - fix setkey to check key weakness
crypto: talitos - fix AEAD for sha224 on non sha224 capable chips
crypto: talitos - fix use of sg_link_tbl_len
crypto: talitos - fix ctr-aes-talitos
usb: f_fs: Force Reserved1=1 in OS_DESC_EXT_COMPAT
ARM: BUG if jumping to usermode address in kernel mode
ARM: avoid faulting on qemu
thp: reduce indentation level in change_huge_pmd()
thp: fix MADV_DONTNEED vs. numa balancing race
mm: drop unused pmdp_huge_get_and_clear_notify()
Revert "drm/armada: Fix compile fail"
Revert "spi: SPI_FSL_DSPI should depend on HAS_DMA"
ARM: 8657/1: uaccess: consistently check object sizes
vti6: Don't report path MTU below IPV6_MIN_MTU.
ARM: OMAP2+: gpmc-onenand: propagate error on initialization failure
x86/selftests: Add clobbers for int80 on x86_64
x86/platform/uv/BAU: Fix HUB errors by remove initial write to sw-ack register
sched/fair: Make select_idle_cpu() more aggressive
x86/hpet: Prevent might sleep splat on resume
powerpc/64: Invalidate process table caching after setting process table
selftest/powerpc: Fix false failures for skipped tests
powerpc: Fix compiling a BE kernel with a powerpc64le toolchain
lirc: fix dead lock between open and wakeup_filter
module: set __jump_table alignment to 8
powerpc/64: Fix checksum folding in csum_add()
ARM: OMAP2+: Fix device node reference counts
ARM: OMAP2+: Release device node after it is no longer needed.
ASoC: rcar: avoid SSI_MODEx settings for SSI8
gpio: altera: Use handle_level_irq when configured as a level_high
HID: chicony: Add support for another ASUS Zen AiO keyboard
usb: gadget: configs: plug memory leak
USB: gadgetfs: Fix a potential memory leak in 'dev_config()'
usb: dwc3: gadget: Fix system suspend/resume on TI platforms
usb: gadget: pxa27x: Test for a valid argument pointer
usb: gadget: udc: net2280: Fix tmp reusage in net2280 driver
kvm: nVMX: VMCLEAR should not cause the vCPU to shut down
libata: drop WARN from protocol error in ata_sff_qc_issue()
workqueue: trigger WARN if queue_delayed_work() is called with NULL @wq
scsi: qla2xxx: Fix ql_dump_buffer
scsi: lpfc: Fix crash during Hardware error recovery on SLI3 adapters
irqchip/crossbar: Fix incorrect type of register size
KVM: nVMX: reset nested_run_pending if the vCPU is going to be reset
arm: KVM: Survive unknown traps from guests
arm64: KVM: Survive unknown traps from guests
KVM: arm/arm64: VGIC: Fix command handling while ITS being disabled
spi_ks8995: fix "BUG: key accdaa28 not in .data!"
spi_ks8995: regs_size incorrect for some devices
bnx2x: prevent crash when accessing PTP with interface down
bnx2x: fix possible overrun of VFPF multicast addresses array
bnx2x: fix detection of VLAN filtering feature for VF
bnx2x: do not rollback VF MAC/VLAN filters we did not configure
rds: tcp: Sequence teardown of listen and acceptor sockets to avoid races
ibmvnic: Fix overflowing firmware/hardware TX queue
ibmvnic: Allocate number of rx/tx buffers agreed on by firmware
ipv6: reorder icmpv6_init() and ip6_mr_init()
crypto: s5p-sss - Fix completing crypto request in IRQ handler
i2c: riic: fix restart condition
blk-mq: initialize mq kobjects in blk_mq_init_allocated_queue()
zram: set physical queue limits to avoid array out of bounds accesses
netfilter: don't track fragmented packets
axonram: Fix gendisk handling
drm/amd/amdgpu: fix console deadlock if late init failed
powerpc/powernv/ioda2: Gracefully fail if too many TCE levels requested
EDAC, i5000, i5400: Fix use of MTR_DRAM_WIDTH macro
EDAC, i5000, i5400: Fix definition of NRECMEMB register
kbuild: pkg: use --transform option to prefix paths in tar
coccinelle: fix parallel build with CHECK=scripts/coccicheck
x86/mpx/selftests: Fix up weird arrays
mac80211_hwsim: Fix memory leak in hwsim_new_radio_nl()
gre6: use log_ecn_error module parameter in ip6_tnl_rcv()
route: also update fnhe_genid when updating a route cache
route: update fnhe_expires for redirect when the fnhe exists
drivers/rapidio/devices/rio_mport_cdev.c: fix resource leak in error handling path in 'rio_dma_transfer()'
lib/genalloc.c: make the avail variable an atomic_long_t
dynamic-debug-howto: fix optional/omitted ending line number to be LARGE instead of 0
NFS: Fix a typo in nfs_rename()
sunrpc: Fix rpc_task_begin trace point
xfs: fix forgotten rcu read unlock when skipping inode reclaim
dt-bindings: usb: fix reg-property port-number range
block: wake up all tasks blocked in get_request()
sparc64/mm: set fields in deferred pages
zsmalloc: calling zs_map_object() from irq is a bug
sctp: do not free asoc when it is already dead in sctp_sendmsg
sctp: use the right sk after waking up from wait_buf sleep
bpf: fix lockdep splat
clk: uniphier: fix DAPLL2 clock rate of Pro5
atm: horizon: Fix irq release error
jump_label: Invoke jump_label_test() via early_initcall()
xfrm: Copy policy family in clone_policy
IB/mlx4: Increase maximal message size under UD QP
IB/mlx5: Assign send CQ and recv CQ of UMR QP
afs: Connect up the CB.ProbeUuid
Linux 4.9.69
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
commit c07d35338081d107e57cf37572d8cc931a8e32e2 upstream.
kallsyms_symbol_next() returns a boolean (true on success). Currently
kdb_read() tests the return value with an inequality that
unconditionally evaluates to true.
This is fixed in the obvious way and, since the conditional branch is
supposed to be unreachable, we also add a WARN_ON().
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Daniel Thompsonauthored and Greg Kroah-Hartmancommited 2017-12-14 09:28:13 +01:00
kdb expects carriage returns through the serial port to terminate
commands. Modify it to accept the first seen carriage return or
new line as a terminator, but not treat \r\n as two terminators.
Change-Id: I06166017e7703d24310eefcb71c3a7d427088db7
Signed-off-by: Colin Cross <ccross@android.com>
Colin Crossauthored and Dmitry Shmidtcommited 2017-01-27 13:51:22 -08:00
commit 2d13bb6494c807bcf3f78af0e96c0b8615a94385 upstream.
We've got a delay loop waiting for secondary CPUs. That loop uses
loops_per_jiffy. However, loops_per_jiffy doesn't actually mean how
many tight loops make up a jiffy on all architectures. It is quite
common to see things like this in the boot log:
Calibrating delay loop (skipped), value calculated using timer
frequency.. 48.00 BogoMIPS (lpj=24000)
In my case I was seeing lots of cases where other CPUs timed out
entering the debugger only to print their stack crawls shortly after the
kdb> prompt was written.
Elsewhere in kgdb we already use udelay(), so that should be safe enough
to use to implement our timeout. We'll delay 1 ms for 1000 times, which
should give us a full second of delay (just like the old code wanted)
but allow us to notice that we're done every 1 ms.
[akpm@linux-foundation.org: simplifications, per Daniel]
Link: http://lkml.kernel.org/r/1477091361-2039-1-git-send-email-dianders@chromium.org
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Brian Norris <briannorris@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Douglas Andersonauthored and Greg Kroah-Hartmancommited 2017-01-06 10:40:17 +01:00
It may be useful to debug writes to the readonly sections of memory,
so provide a cmdline "rodata=off" to allow for this. This can be
expanded in the future to support "log" and "write" modes, but that
will need to be architecture-specific.
This also makes KDB software breakpoints more usable, as read-only
mappings can now be disabled on any kernel.
Suggested-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: David Brown <david.brown@linaro.org>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Emese Revfy <re.emese@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mathias Krause <minipli@googlemail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: PaX Team <pageexec@freemail.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kernel-hardening@lists.openwall.com
Cc: linux-arch <linux-arch@vger.kernel.org>
Link: http://lkml.kernel.org/r/1455748879-21872-3-git-send-email-keescook@chromium.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Kees Cookauthored and Ingo Molnarcommited 2016-02-22 08:51:37 +01:00
Makes it easier to handle init vs core cleanly, though the change is
fairly invasive across random architectures.
It simplifies the rbtree code immediately, however, while keeping the
core data together in the same cachline (now iff the rbtree code is
enabled).
Acked-by: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Rusty Russellauthored and Jiri Kosinacommited 2015-12-04 22:46:25 +01:00
On non-developer devices, kgdb prevents the device from rebooting
after a panic.
Incase of panics and exceptions, to allow the device to reboot, prevent
entering debug mode to avoid getting stuck waiting for the user to
interact with debugger.
To avoid entering the debugger on panic/exception without any extra
configuration, panic_timeout is being used which can be set via
/proc/sys/kernel/panic at run time and CONFIG_PANIC_TIMEOUT sets the
default value.
Setting panic_timeout indicates that the user requested machine to
perform unattended reboot after panic. We dont want to get stuck waiting
for the user input incase of panic.
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: kgdb-bugreport@lists.sourceforge.net
Cc: linux-kernel@vger.kernel.org
Cc: Android Kernel Team <kernel-team@android.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Colin Cross <ccross@android.com>
[Kiran: Added context to commit message.
panic_timeout is used instead of break_on_panic and
break_on_exception to honor CONFIG_PANIC_TIMEOUT
Modified the commit as per community feedback]
Signed-off-by: Kiran Raparthy <kiran.kumar@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Colin Crossauthored and Jason Wesselcommited 2015-02-19 12:39:03 -06:00
All current callers of kdb_getstr() can pass constant pointers via the
prompt argument. This patch adds a const qualification to make explicit
the fact that this is safe.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Daniel Thompsonauthored and Jason Wesselcommited 2015-02-19 12:39:03 -06:00
Currently kdb allows the output of comamnds to be filtered using the
| grep feature. This is useful but does not permit the output emitted
shortly after a string match to be examined without wading through the
entire unfiltered output of the command. Such a feature is particularly
useful to navigate function traces because these traces often have a
useful trigger string *before* the point of interest.
This patch reuses the existing filtering logic to introduce a simple
forward search to kdb that can be triggered from the more prompt.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Daniel Thompsonauthored and Jason Wesselcommited 2015-02-19 12:39:03 -06:00
Currently when the "| grep" feature is used to filter the output of a
command then the prompt is not displayed for the subsequent command.
Likewise any characters typed by the user are also not echoed to the
display. This rather disconcerting problem eventually corrects itself
when the user presses Enter and the kdb_grepping_flag is cleared as
kdb_parse() tries to make sense of whatever they typed.
This patch resolves the problem by moving the clearing of this flag
from the middle of command processing to the beginning.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Daniel Thompsonauthored and Jason Wesselcommited 2015-02-19 12:39:03 -06:00
Issuing a stack dump feels ergonomically wrong when entering due to NMI.
Entering due to NMI is normally a reaction to a user request, either the
NMI button on a server or a "magic knock" on a UART. Therefore the
backtrace behaviour on entry due to NMI should be like SysRq-g (no stack
dump) rather than like oops.
Note also that the stack dump does not offer any information that
cannot be trivial retrieved using the 'bt' command.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Daniel Thompsonauthored and Jason Wesselcommited 2015-02-19 12:39:02 -06:00
Currently when kdb traps printk messages then the raw log level prefix
(consisting of '\001' followed by a numeral) does not get stripped off
before the message is issued to the various I/O handlers supported by
kdb. This causes annoying visual noise as well as causing problems
grepping for ^. It is also a change of behaviour compared to normal usage
of printk() usage. For example <SysRq>-h ends up with different output to
that of kdb's "sr h".
This patch addresses the problem by stripping log levels from messages
before they are issued to the I/O handlers. printk() which can also
act as an i/o handler in some cases is special cased; if the caller
provided a log level then the prefix will be preserved when sent to
printk().
The addition of non-printable characters to the output of kdb commands is a
regression, albeit and extremely elderly one, introduced by commit
04d2c8c83d ("printk: convert the format for KERN_<LEVEL> to a 2 byte
pattern"). Note also that this patch does *not* restore the original
behaviour from v3.5. Instead it makes printk() from within a kdb command
display the message without any prefix (i.e. like printk() normally does).
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Joe Perches <joe@perches.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Daniel Thompsonauthored and Jason Wesselcommited 2015-02-19 12:39:02 -06:00
There was a follow on replacement patch against the prior
"kgdb: Timeout if secondary CPUs ignore the roundup".
See: https://lkml.org/lkml/2015/1/7/442
This patch is the delta vs the patch that was committed upstream:
* Fix an off-by-one error in kdb_cpu().
* Replace NR_CPUS with CONFIG_NR_CPUS to tell checkpatch that we
really want a static limit.
* Removed the "KGDB: " prefix from the pr_crit() in debug_core.c
(kgdb-next contains a patch which introduced pr_fmt() to this file
to the tag will now be applied automatically).
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
The output of KDB 'summary' command should report MemTotal, MemFree
and Buffers output in kB. Current codes report in unit of pages.
A define of K(x) as
is defined in the code, but not used.
This patch would apply the define to convert the values to kB.
Please include me on Cc on replies. I do not subscribe to linux-kernel.
Signed-off-by: Jay Lan <jlan@sgi.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Jay Lanauthored and Jason Wesselcommited 2015-02-19 12:39:02 -06:00
First two are minor fallout from the param rework which went in this merge
window.
Next three are a series which fixes a longstanding (but never previously
reported and unlikely , so no CC stable) race between kallsyms and freeing
the init section.
Finally, a minor cleanup as our module refcount will now be -1 during
unload.
Thanks,
Rusty.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull module and param fixes from Rusty Russell:
"Surprising number of fixes this merge window :(
The first two are minor fallout from the param rework which went in
this merge window.
The next three are a series which fixes a longstanding (but never
previously reported and unlikely , so no CC stable) race between
kallsyms and freeing the init section.
Finally, a minor cleanup as our module refcount will now be -1 during
unload"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
module: make module_refcount() a signed integer.
module: fix race in kallsyms resolution during module load success.
module: remove mod arg from module_free, rename module_memfree().
module_arch_freeing_init(): new hook for archs before module->module_init freed.
param: fix uninitialized read with CONFIG_DEBUG_LOCK_ALLOC
param: initialize store function to NULL if not available.
James Bottomley points out that it will be -1 during unload. It's
only used for diagnostics, so let's not hide that as it could be a
clue as to what's gone wrong.
Cc: Jason Wessel <jason.wessel@windriver.com>
Acked-and-documention-added-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Reviewed-by: Masami Hiramatsu <maasami.hiramatsu.pt@hitachi.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
-Convert printk( to pr_foo()
-Add pr_fmt
-Coalesce formats
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Fabian Frederickauthored and Jason Wesselcommited 2014-11-11 09:31:53 -06:00
Currently if an active CPU fails to respond to a roundup request the CPU
that requested the roundup will become stuck. This needlessly reduces the
robustness of the debugger.
This patch introduces a timeout allowing the system state to be examined
even when the system contains unresponsive processors. It also modifies
kdb's cpu command to make it censor attempts to switch to unresponsive
processors and to report their state as (D)ead.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Daniel Thompsonauthored and Jason Wesselcommited 2014-11-11 09:31:53 -06:00
Currently kiosk mode must be explicitly requested by the bootloader or
userspace. It is convenient to be able to change the default value in a
similar manner to CONFIG_MAGIC_SYSRQ_DEFAULT_MASK.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Daniel Thompsonauthored and Jason Wesselcommited 2014-11-11 09:31:52 -06:00
Currently all kdb commands are enabled whenever kdb is deployed. This
makes it difficult to deploy kdb to help debug certain types of
systems.
Android phones provide one example; the FIQ debugger found on some
Android devices has a deliberately weak set of commands to allow the
debugger to enabled very late in the production cycle.
Certain kiosk environments offer another interesting case where an
engineer might wish to probe the system state using passive inspection
commands without providing sufficient power for a passer by to root it.
Without any restrictions, obtaining the root rights via KDB is a matter of
a few commands, and works everywhere. For example, log in as a normal
user:
cbou:~$ id
uid=1001(cbou) gid=1001(cbou) groups=1001(cbou)
Now enter KDB (for example via sysrq):
Entering kdb (current=0xffff8800065bc740, pid 920) due to Keyboard Entry
kdb> ps
23 sleeping system daemon (state M) processes suppressed,
use 'ps A' to see all.
Task Addr Pid Parent [*] cpu State Thread Command
0xffff8800065bc740 920 919 1 0 R 0xffff8800065bca20 *bash
0xffff880007078000 1 0 0 0 S 0xffff8800070782e0 init
[...snip...]
0xffff8800065be3c0 918 1 0 0 S 0xffff8800065be6a0 getty
0xffff8800065b9c80 919 1 0 0 S 0xffff8800065b9f60 login
0xffff8800065bc740 920 919 1 0 R 0xffff8800065bca20 *bash
All we need is the offset of cred pointers. We can look up the offset in
the distro's kernel source, but it is unnecessary. We can just start
dumping init's task_struct, until we see the process name:
kdb> md 0xffff880007078000
0xffff880007078000 0000000000000001 ffff88000703c000 ................
0xffff880007078010 0040210000000002 0000000000000000 .....!@.........
[...snip...]
0xffff8800070782b0 ffff8800073e0580 ffff8800073e0580 ..>.......>.....
0xffff8800070782c0 0000000074696e69 0000000000000000 init............
^ Here, 'init'. Creds are just above it, so the offset is 0x02b0.
Now we set up init's creds for our non-privileged shell:
kdb> mm 0xffff8800065bc740+0x02b0 0xffff8800073e0580
0xffff8800065bc9f0 = 0xffff8800073e0580
kdb> mm 0xffff8800065bc740+0x02b8 0xffff8800073e0580
0xffff8800065bc9f8 = 0xffff8800073e0580
And thus gaining the root:
kdb> go
cbou:~$ id
uid=0(root) gid=0(root) groups=0(root)
cbou:~$ bash
root:~#
p.s. No distro enables kdb by default (although, with a nice KDB-over-KMS
feature availability, I would expect at least some would enable it), so
it's not actually some kind of a major issue.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Anton Vorontsovauthored and Jason Wesselcommited 2014-11-11 09:31:52 -06:00
This patch introduces several new flags to collect kdb commands into
groups (later allowing them to be optionally disabled).
This follows similar prior art to enable/disable magic sysrq
commands.
The commands have been categorized as follows:
Always on: go (w/o args), env, set, help, ?, cpu (w/o args), sr,
dmesg, disable_nmi, defcmd, summary, grephelp
Mem read: md, mdr, mdp, mds, ef, bt (with args), per_cpu
Mem write: mm
Reg read: rd
Reg write: go (with args), rm
Inspect: bt (w/o args), btp, bta, btc, btt, ps, pid, lsmod
Flow ctrl: bp, bl, bph, bc, be, bd, ss
Signal: kill
Reboot: reboot
All: cpu, kgdb, (and all of the above), nmi_console
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Daniel Thompsonauthored and Jason Wesselcommited 2014-11-11 09:31:52 -06:00
Since we now treat KDB_REPEAT_* as flags, there is no need to
pass KDB_REPEAT_NONE. It's just the default behaviour when no
flags are specified.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Anton Vorontsovauthored and Jason Wesselcommited 2014-11-11 09:31:52 -06:00
The actual values of KDB_REPEAT_* enum values and overall logic stayed
the same, but we now treat the values as flags.
This makes it possible to add other flags and combine them, plus makes
the code a lot simpler and shorter. But functionality-wise, there should
be no changes.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Anton Vorontsovauthored and Jason Wesselcommited 2014-11-11 09:31:51 -06:00
We're about to add more options for commands behaviour, so let's give
a more generic name to the low-level kdb command registration function.
There are just various renames, no functional changes.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Anton Vorontsovauthored and Jason Wesselcommited 2014-11-11 09:31:51 -06:00
We're about to add more options for command behaviour, so let's expand
the meaning of kdb_repeat_t.
So far we just do various renames, there should be no functional changes.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Anton Vorontsovauthored and Jason Wesselcommited 2014-11-11 09:31:51 -06:00
The struct member is never used in the code, so we can remove it.
We will introduce real flags soon by renaming cmd_repeat to cmd_flags.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Anton Vorontsovauthored and Jason Wesselcommited 2014-11-11 09:31:51 -06:00
The kernel used to contain two functions for length-delimited,
case-insensitive string comparison, strnicmp with correct semantics and
a slightly buggy strncasecmp. The latter is the POSIX name, so strnicmp
was renamed to strncasecmp, and strnicmp made into a wrapper for the new
strncasecmp to avoid breaking existing users.
To allow the compat wrapper strnicmp to be removed at some point in the
future, and to avoid the extra indirection cost, do
s/strnicmp/strncasecmp/g.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Rasmus Villemoesauthored and Linus Torvaldscommited 2014-10-14 02:18:25 +02:00
Christophe Leroy
authored and
Greg Kroah-Hartman
commited 
Sumit Garg
authored and
Greg Kroah-Hartman
commited 
Douglas Anderson
authored and
Daniel Thompson
authored and
Dan Carpenter
authored and
Johannes Weiner
authored and
Suren Baghdasaryan
commited 
Ingo Molnar
authored and
Arnd Bergmann
authored and
Prarit Bhargava
authored and
Randy Dunlap
authored and
Dmitry Shmidt
commited 
Colin Cross
authored and
Kees Cook
authored and
Rusty Russell
authored and
Jiri Kosina
commited 
Jason Wessel
commited 
Jay Lan
authored and
Linus Torvalds
commited 
Fabian Frederick
authored and
Anton Vorontsov
authored and
Rasmus Villemoes
authored and