From: Eric Dumazet <eric.dumazet@gmail.com>
To: Octavian Purdila <opurdila@ixiacom.com>
Cc: netdev@vger.kernel.org, Leonard Crestez <lcrestez@ixiacom.com>,
stable@kernel.org
Subject: Re: [PATCH net-2.6 v2] net: fix nulls list corruptions in sk_prot_alloc
Date: Tue, 14 Dec 2010 22:23:31 +0100 [thread overview]
Message-ID: <1292361811.2478.3.camel@edumazet-laptop> (raw)
In-Reply-To: <1292347187-24154-1-git-send-email-opurdila@ixiacom.com>
Le mardi 14 décembre 2010 à 19:19 +0200, Octavian Purdila a écrit :
> Special care is taken inside sk_port_alloc to avoid overwriting
> skc_node/skc_nulls_node. We should also avoid overwriting
> skc_bind_node/skc_portaddr_node.
>
> The patch fixes the following crash:
>
> BUG: unable to handle kernel paging request at fffffffffffffff0
> IP: [<ffffffff812ec6dd>] udp4_lib_lookup2+0xad/0x370
> [<ffffffff812ecc22>] __udp4_lib_lookup+0x282/0x360
> [<ffffffff812ed63e>] __udp4_lib_rcv+0x31e/0x700
> [<ffffffff812bba45>] ? ip_local_deliver_finish+0x65/0x190
> [<ffffffff812bbbf8>] ? ip_local_deliver+0x88/0xa0
> [<ffffffff812eda35>] udp_rcv+0x15/0x20
> [<ffffffff812bba45>] ip_local_deliver_finish+0x65/0x190
> [<ffffffff812bbbf8>] ip_local_deliver+0x88/0xa0
> [<ffffffff812bb2cd>] ip_rcv_finish+0x32d/0x6f0
> [<ffffffff8128c14c>] ? netif_receive_skb+0x99c/0x11c0
> [<ffffffff812bb94b>] ip_rcv+0x2bb/0x350
> [<ffffffff8128c14c>] netif_receive_skb+0x99c/0x11c0
>
> Signed-off-by: Leonard Crestez <lcrestez@ixiacom.com>
> Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
> Cc: Eric Dumazet <eric.dumazet@gmail.com>
> Cc: stable@kernel.org
> ---
Thanks Octavian !
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
next prev parent reply other threads:[~2010-12-14 21:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-14 17:19 [PATCH net-2.6 v2] net: fix nulls list corruptions in sk_prot_alloc Octavian Purdila
2010-12-14 21:23 ` Eric Dumazet [this message]
2010-12-16 22:16 ` David Miller
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