Lorenz Bauer
b0fcf8a405
BACKPORT: bpf: Allow specifying a BTF ID per argument in function protos ...
Function prototypes using ARG_PTR_TO_BTF_ID currently use two ways to signal
which BTF IDs are acceptable. First, bpf_func_proto.btf_id is an array of
IDs, one for each argument. This array is only accessed up to the highest
numbered argument that uses ARG_PTR_TO_BTF_ID and may therefore be less than
five arguments long. It usually points at a BTF_ID_LIST. Second, check_btf_id
is a function pointer that is called by the verifier if present. It gets the
actual BTF ID of the register, and the argument number we're currently checking.
It turns out that the only user check_arg_btf_id ignores the argument, and is
simply used to check whether the BTF ID has a struct sock_common at it's start.
Replace both of these mechanisms with an explicit BTF ID for each argument
in a function proto. Thanks to btf_struct_ids_match this is very flexible:
check_arg_btf_id can be replaced by requiring struct sock_common.
Change-Id: I04d5adc4574380e9a67e7a688b98611158bb7102
Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20200921121227.255763-5-lmb@cloudflare.com
Signed-off-by: Sorayukii <sorayukii69@gmail.com>
2026-05-15 17:59:31 +07:00
6lowpan: Off by one handling ->nexthdr
2020-01-29 10:24:22 +01:00
net/9p: Fix a potential socket leak in p9_socket_open
2022-12-08 11:15:41 +01:00
mrp: introduce active flags to prevent UAF when applicant uninit
2023-01-07 12:07:32 +01:00
vlan: fix memory leak in vlan_dev_set_egress_priority
2020-01-12 11:24:27 +01:00
appletalk: Fix skb allocation size in loopback case
2021-04-07 12:05:39 +02:00
BACKPORT: net: Work around lockdep limitation in sockets that use sockets
2026-05-15 17:56:15 +07:00
BACKPORT: net: Make sock protocol value checks more specific
2026-05-15 17:59:24 +07:00
batman-adv: Don't expect inter-netns unique iflink indices
2022-03-16 12:49:01 +01:00
BACKPORT: net: Work around lockdep limitation in sockets that use sockets
2026-05-15 17:56:15 +07:00
UPSTREAM: bpf: Allow to change skb mark in test_run
2026-05-15 17:59:21 +07:00
UPSTREAM: net: bpfilter: disallow to remove bpfilter module while being used
2026-05-15 17:58:54 +07:00
BACKPORT: audit: use inline function to get audit context
2026-05-15 17:59:18 +07:00
net: caif: fix double disconnect client in chnl_net_open()
2022-11-25 17:35:39 +01:00
can: bcm: check the result of can_send() in bcm_can_tx()
2022-10-26 13:15:46 +02:00
treewide: Backport new vmalloc for large performance benefits
2026-05-15 17:48:25 +07:00
BACKPORT: bpf: Allow specifying a BTF ID per argument in function protos
2026-05-15 17:59:31 +07:00
net: dcb: disable softirqs in dcbnl_flush_dev()
2022-03-08 19:00:59 +01:00
UPSTREAM: net: Introduce sk_clone_lock() error path routine
2026-05-15 17:57:10 +07:00
BACKPORT: net: fix sleeping for sk_wait_event()
2026-05-15 17:57:09 +07:00
net: dsa: tag_brcm: Fix skb->fwd_offload_mark location
2020-04-13 10:32:53 +02:00
BACKPORT: net: plumb network namespace into __skb_flow_dissect
2026-05-15 17:58:50 +07:00
net: hsr: Fix potential use-after-free
2022-12-08 11:15:41 +01:00
net: ieee802154: fix error return code in dgram_bind()
2022-11-03 23:49:17 +09:00
net: ipc_router: Add bounds check on tx path
2023-01-04 21:42:04 -08:00
BACKPORT: bpf: Allow specifying a BTF ID per argument in function protos
2026-05-15 17:59:31 +07:00
UPSTREAM: bpf: Allow sk_lookup with IPv6 module
2026-05-15 17:57:31 +07:00
BACKPORT: net: Work around lockdep limitation in sockets that use sockets
2026-05-15 17:56:15 +07:00
BACKPORT: net: Work around lockdep limitation in sockets that use sockets
2026-05-15 17:56:15 +07:00
BACKPORT: strparser: initialize all callbacks
2026-05-15 17:55:20 +07:00
Merge remote-tracking branch 'common/android-4.9-q' into android13-4.9-sdm845
2022-12-20 19:52:09 +02:00
This is the 4.9.320 stable release
2022-06-28 16:46:38 +00:00
net: lapb: Copy the skb before sending a packet
2021-02-10 09:09:25 +01:00
BACKPORT: net: fix sleeping for sk_wait_event()
2026-05-15 17:57:09 +07:00
Merge remote-tracking branch 'common/android-4.9-q' into android13-4.9-sdm845
2022-12-20 19:52:09 +02:00
mac802154: fix missing INIT_LIST_HEAD in ieee802154_if_add()
2022-12-14 11:24:34 +01:00
net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0
2021-03-17 16:10:13 +01:00
net/ncsi: Use real net-device for response handler
2021-01-12 19:49:01 +01:00
BACKPORT: audit: use inline function to get audit context
2026-05-15 17:59:18 +07:00
BACKPORT: audit: use inline function to get audit context
2026-05-15 17:59:18 +07:00
netlink: do not reset transport header in netlink_recvmsg()
2022-05-18 09:15:43 +02:00
BACKPORT: net: Work around lockdep limitation in sockets that use sockets
2026-05-15 17:56:15 +07:00
BACKPORT: net: Work around lockdep limitation in sockets that use sockets
2026-05-15 17:56:15 +07:00
BACKPORT: treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295
2026-05-15 17:57:45 +07:00
BACKPORT: dev: packet: make packet_direct_xmit a common function
2026-05-15 17:59:25 +07:00
BACKPORT: net: fix sleeping for sk_wait_event()
2026-05-15 17:57:09 +07:00
Merge branch 'android-4.9-q' of https://android.googlesource.com/kernel/common into lineage-18.1-caf-sdm845
2021-04-26 01:27:02 +03:00
BACKPORT: net: Work around lockdep limitation in sockets that use sockets
2026-05-15 17:56:15 +07:00
This is the 4.9.209 stable release
2020-01-12 12:14:52 +01:00
net: rmnet_data: Fix incorrect UL checksum offload logic
2020-07-23 05:24:00 -07:00
BACKPORT: net: Work around lockdep limitation in sockets that use sockets
2026-05-15 17:56:15 +07:00
BACKPORT: atomics/treewide: Rename __atomic_add_unless() => atomic_fetch_add_unless()
2026-05-15 17:56:39 +07:00
BACKPORT: sched: consistently handle layer3 header accesses in the presence of VLANs
2026-05-15 17:57:03 +07:00
BACKPORT: net: Work around lockdep limitation in sockets that use sockets
2026-05-15 17:56:15 +07:00
BACKPORT: bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding
2026-05-15 17:58:46 +07:00
UPSTREAM: treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 363
2026-05-15 17:57:46 +07:00
BACKPORT: net: Work around lockdep limitation in sockets that use sockets
2026-05-15 17:56:15 +07:00
BACKPORT: bpf: helper to pop data from messages
2026-05-15 17:58:38 +07:00
BACKPORT: net: Work around lockdep limitation in sockets that use sockets
2026-05-15 17:56:15 +07:00
BACKPORT: net: fix sleeping for sk_wait_event()
2026-05-15 17:57:09 +07:00
cfg80211/nl80211: macro: Switch to COUNT_ARGS macro
2026-05-15 17:55:41 +07:00
BACKPORT: net: Work around lockdep limitation in sockets that use sockets
2026-05-15 17:56:15 +07:00
UPSTREAM: xsk: Make xskmap flush_list common for all map instances
2026-05-15 17:59:22 +07:00
BACKPORT: gro_cells: move to net/core/gro_cells.c
2026-05-15 17:54:38 +07:00
net: Return the correct errno code
2021-06-30 08:49:12 -04:00
BACKPORT: net: initial AF_XDP skeleton
2026-05-15 17:57:46 +07:00
UPSTREAM: net: add skeleton of bpfilter kernel module
2026-05-15 17:56:31 +07:00
UPSTREAM: bpf: implement getsockopt and setsockopt hooks
2026-05-15 17:58:00 +07:00
b0fcf8a405