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From: Ido Schimmel <idosch@nvidia.com>
To: Eric Dumazet <edumazet@google.com>
Cc: "David S . Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Simon Horman <horms@kernel.org>, David Ahern <dsahern@kernel.org>,
	netdev@vger.kernel.org, eric.dumazet@gmail.com,
	Stephen Suryaputra <ssuryaextr@gmail.com>
Subject: Re: [PATCH v2 net-next 1/2] ipv6: guard against possible NULL deref in __in6_dev_stats_get()
Date: Wed, 27 May 2026 10:44:04 +0300	[thread overview]
Message-ID: <20260527074404.GA434943@shredder> (raw)
In-Reply-To: <20260526145529.3587126-2-edumazet@google.com>

On Tue, May 26, 2026 at 02:55:28PM +0000, Eric Dumazet wrote:
> dev_get_by_index_rcu() could return NULL if the original physical
> device is unregistered.
> 
> Found by Sashiko.
> 
> Fixes: e1ae5c2ea478 ("vrf: Increment Icmp6InMsgs on the original netdev")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Cc: Stephen Suryaputra <ssuryaextr@gmail.com>

Reviewed-by: Ido Schimmel <idosch@nvidia.com>

  reply	other threads:[~2026-05-27  7:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-26 14:55 [PATCH v2 net-next 0/2] ipv6: frags: adopt __in6_dev_stats_get() a bit more Eric Dumazet
2026-05-26 14:55 ` [PATCH v2 net-next 1/2] ipv6: guard against possible NULL deref in __in6_dev_stats_get() Eric Dumazet
2026-05-27  7:44   ` Ido Schimmel [this message]
2026-05-26 14:55 ` [PATCH v2 net-next 2/2] ipv6: frags: cleanup __IP6_INC_STATS() confusion Eric Dumazet
2026-05-27  7:44   ` Ido Schimmel

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