Cong Wang
68dc33fcf8
atm: fix a memory leak of vcc->user_back
[ Upstream commit 8d9f73c0ad2f20e9fed5380de0a3097825859d03 ]
In lec_arp_clear_vccs() only entry->vcc is freed, but vcc
could be installed on entry->recv_vcc too in lec_vcc_added().
This fixes the following memory leak:
unreferenced object 0xffff8880d9266b90 (size 16):
comm "atm2", pid 425, jiffies 4294907980 (age 23.488s)
hex dump (first 16 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 6b 6b 6b a5 ............kkk.
backtrace:
[<(____ptrval____)>] kmem_cache_alloc_trace+0x10e/0x151
[<(____ptrval____)>] lane_ioctl+0x4b3/0x569
[<(____ptrval____)>] do_vcc_ioctl+0x1ea/0x236
[<(____ptrval____)>] svc_ioctl+0x17d/0x198
[<(____ptrval____)>] sock_do_ioctl+0x47/0x12f
[<(____ptrval____)>] sock_ioctl+0x2f9/0x322
[<(____ptrval____)>] vfs_ioctl+0x1e/0x2b
[<(____ptrval____)>] ksys_ioctl+0x61/0x80
[<(____ptrval____)>] __x64_sys_ioctl+0x16/0x19
[<(____ptrval____)>] do_syscall_64+0x57/0x65
[<(____ptrval____)>] entry_SYSCALL_64_after_hwframe+0x49/0xb3
Cc: Gengming Liu <l.dmxcsnsbh@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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2020-10-01 13:14:43 +02:00 |
| .. |
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addr.c
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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addr.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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atm_misc.c
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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atm_sysfs.c
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net: Use octal not symbolic permissions
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2018-03-26 12:07:48 -04:00 |
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br2684.c
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atm: Preserve value of skb->truesize when accounting to vcc
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2018-06-17 08:27:01 +09:00 |
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clip.c
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atm: Preserve value of skb->truesize when accounting to vcc
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2018-06-17 08:27:01 +09:00 |
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common.c
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net: use skb_queue_empty_lockless() in poll() handlers
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2019-11-10 11:27:48 +01:00 |
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common.h
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Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
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2018-06-28 10:40:47 -07:00 |
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ioctl.c
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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Kconfig
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[ATM]: atm is no longer experimental
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2008-01-28 15:00:11 -08:00 |
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lec.c
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atm: fix a memory leak of vcc->user_back
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2020-10-01 13:14:43 +02:00 |
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lec.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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lec_arpc.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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Makefile
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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mpc.c
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atm: Preserve value of skb->truesize when accounting to vcc
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2018-06-17 08:27:01 +09:00 |
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mpc.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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mpoa_caches.c
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atm: mpoa: remove 32-bit timekeeping
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2017-11-30 09:26:32 -05:00 |
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mpoa_caches.h
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atm: mpoa: remove 32-bit timekeeping
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2017-11-30 09:26:32 -05:00 |
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mpoa_proc.c
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atm: remove blank lines at EOF
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2018-07-24 14:10:42 -07:00 |
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pppoatm.c
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atomics/treewide: Remove atomic_inc_not_zero_hint()
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2018-06-21 14:22:33 +02:00 |
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proc.c
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atm: switch to proc_create_seq_private
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2018-05-16 07:24:30 +02:00 |
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protocols.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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pvc.c
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Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
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2018-06-28 10:40:47 -07:00 |
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raw.c
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atm: Preserve value of skb->truesize when accounting to vcc
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2018-06-17 08:27:01 +09:00 |
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resources.c
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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resources.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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signaling.c
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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signaling.h
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License cleanup: add SPDX GPL-2.0 license identifier to files with no license
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2017-11-02 11:10:55 +01:00 |
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svc.c
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Revert changes to convert to ->poll_mask() and aio IOCB_CMD_POLL
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2018-06-28 10:40:47 -07:00 |