Re: [PATCH v1] can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)

[Oleksij Rempel]

On Wed, Sep 27, 2023 at 06:14:56PM +0200, Oleksij Rempel wrote:
> Lock jsk->sk to prevent UAF when setsockopt(..., SO_J1939_FILTER, ...)
> modifies jsk->filters while receiving packets.

...

> Fixes: 9d71dd0c70099 ("can: add support of SAE J1939 protocol")
> Reported-by: Sili Luo <rootlab@xxxxxxxxxx>
> Suggested-by: Sili Luo <rootlab@xxxxxxxxxx>
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> Acked-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx

Tested-by: Sili Luo <rootlab@xxxxxxxxxx>

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