netdev - Re: [PATCH net] ipv6: prevent possible NULL dereference in rt6

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Message-ID: <7aa64be6-6555-4658-aebd-85c3d0131b07@kernel.org>
Date: Sun, 16 Jun 2024 12:19:27 -0600
From: David Ahern <dsahern@...nel.org>
To: Eric Dumazet <edumazet@...gle.com>, "David S . Miller"
 <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH net] ipv6: prevent possible NULL dereference in
 rt6_probe()

On 6/15/24 9:14 AM, Eric Dumazet wrote:
> syzbot caught a NULL dereference in rt6_probe() [1]
> 
> Bail out if  __in6_dev_get() returns NULL.
> 
...

> Fixes: 52e1635631b3 ("[IPV6]: ROUTE: Add router_probe_interval sysctl.")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> ---
>  net/ipv6/route.c | 2 ++
>  1 file changed, 2 insertions(+)
> 

Reviewed-by: David Ahern <dsahern@...nel.org>