From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: Daniel Borkmann <daniel@iogearbox.net>
Cc: davem@davemloft.net, willemb@google.com, netdev@vger.kernel.org
Subject: Re: [PATCH net-next] packet: fix panic in __packet_set_timestamp on tpacket_v3 in tx mode
Date: Wed, 4 Jan 2017 21:10:05 -0500 [thread overview]
Message-ID: <20170105021005.GI31756@oracle.com> (raw)
In-Reply-To: <1483580068-13854-1-git-send-email-daniel@iogearbox.net>
On (01/05/17 02:34), Daniel Borkmann wrote:
> When TX timestamping is in use with TPACKET_V3's TX ring, then we'll
> hit the BUG() in __packet_set_timestamp() when ring buffer slot is
> returned to user space via tpacket_destruct_skb(). This is due to v3
> being assumed as unreachable here, but since 7f953ab2ba46 ("af_packet:
> TX_RING support for TPACKET_V3") it's not anymore. Fix it by filling
> the timestamp back into the ring slot.
Acked-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
--Sowmini
next prev parent reply other threads:[~2017-01-05 2:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-05 1:34 [PATCH net-next] packet: fix panic in __packet_set_timestamp on tpacket_v3 in tx mode Daniel Borkmann
2017-01-05 2:10 ` Sowmini Varadhan [this message]
2017-01-05 4:51 ` David Miller
2017-01-05 18:27 ` Eric Dumazet
2017-01-05 19:10 ` Daniel Borkmann
2017-03-06 17:13 ` chetan loke
2017-03-06 17:45 ` Willem de Bruijn
2017-03-06 21:36 ` chetan loke
2017-03-06 22:13 ` Willem de Bruijn
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