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linux/net/can
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Ignat Korchagin 5947c9ac08 net: af_can: do not leave a dangling sk pointer in can_create() 
[ Upstream commit 811a7ca732 ]

On error can_create() frees the allocated sk object, but sock_init_data()
has already attached it to the provided sock object. This will leave a
dangling sk pointer in the sock object and may cause use-after-free later.

Signed-off-by: Ignat Korchagin <ignat@cloudflare.com>
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://patch.msgid.link/20241014153808.51894-5-ignat@cloudflare.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-12-14 19:54:41 +01:00
..
j1939 can: j1939: j1939_session_new(): fix skb reference counting 2024-12-14 19:54:21 +01:00
af_can.c net: af_can: do not leave a dangling sk pointer in can_create() 2024-12-14 19:54:41 +01:00
af_can.h can: introduce CAN midlayer private and allocate it automatically 2019-09-04 13:29:14 +02:00
bcm.c can: bcm: Clear bo->bcm_proc_read after remove_proc_entry(). 2024-10-17 15:20:42 +02:00
gw.c can: skb: unify skb CAN frame identification helpers 2022-09-15 09:08:08 +02:00
isotp.c can: isotp: isotp_sendmsg(): fix TX state detection and wait behavior 2023-10-19 23:08:52 +02:00
Kconfig net: Kconfig: move the CAN device menu to the "Device Drivers" section 2022-06-11 17:11:02 +02:00
Makefile can: add ISO 15765-2:2016 transport protocol 2020-10-07 23:18:33 +02:00
proc.c proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
raw.c can: raw: add support for SO_MARK 2024-01-10 17:10:23 +01:00