From: Pavel Emelyanov <xe...@parallels.com> Date: Thu, 15 Nov 2012 18:10:59 +0400
> On 11/15/2012 06:03 PM, Andrey Vagin wrote: >> From: Andrew Vagin <ava...@openvz.org> >> >> Currently if a socket was repaired with a few packet in a write queue, >> a kernel bug may be triggered: >> >> kernel BUG at net/ipv4/tcp_output.c:2330! >> RIP: 0010:[<ffffffff8155784f>] tcp_retransmit_skb+0x5ff/0x610 >> >> According to the initial realization v3.4-rc2-963-gc0e88ff, >> all skb-s should look like already posted. This patch fixes code >> according with this sentence. >> >> Here are three points, which were not done in the initial patch: >> 1. A tcp send head should not be changed >> 2. Initialize TSO state of a skb >> 3. Reset the retransmission time >> >> This patch moves logic from tcp_sendmsg to tcp_write_xmit. A packet >> passes the ussual way, but isn't sent to network. This patch solves >> all described problems and handles tcp_sendpages. ... >> Signed-off-by: Andrey Vagin <ava...@openvz.org> > > Acked-by: Pavel Emelyanov <xe...@parallels.com> Applied and queued up for -stable, thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
