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linux/drivers/net/can/dev/skb.c
Marc Kleine-Budde 6411959c10 can: dev: can_put_echo_skb(): don't crash kernel if can_priv::echo_skb is accessed out of bounds 
If the "struct can_priv::echoo_skb" is accessed out of bounds, this
would cause a kernel crash. Instead, issue a meaningful warning
message and return with an error.

Fixes: a6e4bc5304 ("can: make the number of echo skb's configurable")
Link: https://lore.kernel.org/all/20231005-can-dev-fix-can-restart-v2-5-91b5c1fd922c@pengutronix.de
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2023-10-05 21:34:13 +02:00

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