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| author | Eric Dumazet <edumazet@google.com> | 2016-09-15 08:12:33 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-15 07:46:35 +0100 |
| commit | a35ce624a3ae06894db065727d33c17aff5cdaec (patch) | |
| tree | e63e2bcc147950b49eeb32ee1eabd55f7f83151e /lib/mpi/mpiutil.c | |
| parent | beb996c1c39990c22248d3afdc23d7d2af13272f (diff) | |
tcp: fix overflow in __tcp_retransmit_skb()
[ Upstream commit ffb4d6c8508657824bcef68a36b2a0f9d8c09d10 ]
If a TCP socket gets a large write queue, an overflow can happen
in a test in __tcp_retransmit_skb() preventing all retransmits.
The flow then stalls and resets after timeouts.
Tested:
sysctl -w net.core.wmem_max=1000000000
netperf -H dest -- -s 1000000000
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/mpi/mpiutil.c')
0 files changed, 0 insertions, 0 deletions