netdev - Re: [PATCH net] ipv6: avoid possible NULL deref in rt6_uncached_list_flush

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Message-ID: <20240913112840.GW572255@kernel.org>
Date: Fri, 13 Sep 2024 12:28:40 +0100
From: Simon Horman <horms@...nel.org>
To: Eric Dumazet <edumazet@...gle.com>
Cc: "David S . Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	David Ahern <dsahern@...nel.org>, netdev@...r.kernel.org,
	eric.dumazet@...il.com, "Eric W. Biederman" <ebiederm@...ssion.com>,
	Martin KaFai Lau <kafai@...com>
Subject: Re: [PATCH net] ipv6: avoid possible NULL deref in
 rt6_uncached_list_flush_dev()

On Fri, Sep 13, 2024 at 08:31:47AM +0000, Eric Dumazet wrote:
> Blamed commit accidentally removed a check for rt->rt6i_idev being NULL,
> as spotted by syzbot:

...

> Fixes: e332bc67cf5e ("ipv6: Don't call with rt6_uncached_list_flush_dev")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Cc: Eric W. Biederman <ebiederm@...ssion.com>
> Cc: Martin KaFai Lau <kafai@...com>

Reviewed-by: Simon Horman <horms@...nel.org>