kernel_samsung_a53x/net/can
Dmitry Antipov d0cbec53b0 can: j1939: j1939_session_new(): fix skb reference counting
[ Upstream commit a8c695005bfe6569acd73d777ca298ddddd66105 ]

Since j1939_session_skb_queue() does an extra skb_get() for each new
skb, do the same for the initial one in j1939_session_new() to avoid
refcount underflow.

Reported-by: syzbot+d4e8dc385d9258220c31@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=d4e8dc385d9258220c31
Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Tested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/20241105094823.2403806-1-dmantipov@yandex.ru
[mkl: clean up commit message]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-12-17 13:24:26 +01:00
..
j1939 can: j1939: j1939_session_new(): fix skb reference counting 2024-12-17 13:24:26 +01:00
af_can.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
af_can.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bcm.c Revert "can: bcm: Remove proc entry when dev is unregistered." 2024-11-24 00:23:42 +01:00
gw.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
isotp.c can: isotp: isotp_sendmsg(): fix TX state detection and wait behavior 2024-11-18 10:58:47 +01:00
Kconfig Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
proc.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
raw.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00