linux-next

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History

Fedor Pchelkin 8c21c54a53 can: j1939: j1939_session_destroy(): fix memory leak of skbs

We need to drop skb references taken in j1939_session_skb_queue() when
destroying a session in j1939_session_destroy(). Otherwise those skbs
would be lost.

Link to Syzkaller info and repro: https://forge.ispras.ru/issues/11743.

Found by Linux Verification Center (linuxtesting.org) with Syzkaller.

V1: https://lore.kernel.org/all/20220708175949.539064-1-pchelkin@ispras.ru

Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol")
Suggested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Link: https://lore.kernel.org/all/20220805150216.66313-1-pchelkin@ispras.ru
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

2022-08-09 09:05:06 +02:00

j1939

can: j1939: j1939_session_destroy(): fix memory leak of skbs

2022-08-09 09:05:06 +02:00

af_can.c

can: Use netif_rx().

2022-03-06 11:05:31 +00:00

af_can.h

can: introduce CAN midlayer private and allocate it automatically

2019-09-04 13:29:14 +02:00

bcm.c

can: bcm: use call_rcu() instead of costly synchronize_rcu()