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From: David Miller <davem@davemloft.net>
To: edumazet@google.com
Cc: netdev@vger.kernel.org, eric.dumazet@gmail.com, willemb@google.com
Subject: Re: [PATCH net] ipv4: fix use-after-free in ip_cmsg_recv_dstaddr()
Date: Tue, 02 Oct 2018 22:32:48 -0700 (PDT)	[thread overview]
Message-ID: <20181002.223248.964984017016763302.davem@davemloft.net> (raw)
In-Reply-To: <20180930183339.153681-1-edumazet@google.com>

From: Eric Dumazet <edumazet@google.com>
Date: Sun, 30 Sep 2018 11:33:39 -0700

> Caching ip_hdr(skb) before a call to pskb_may_pull() is buggy,
> do not do it.
> 
> Fixes: 2efd4fca703a ("ip: in cmsg IP(V6)_ORIGDSTADDR call pskb_may_pull")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Cc: Willem de Bruijn <willemb@google.com>
> Reported-by: syzbot <syzkaller@googlegroups.com>

Applied and queued up for -stable.

      parent reply	other threads:[~2018-10-03 12:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-30 18:33 [PATCH net] ipv4: fix use-after-free in ip_cmsg_recv_dstaddr() Eric Dumazet
2018-09-30 22:00 ` Willem de Bruijn
2018-10-03  5:32 ` David Miller [this message]

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