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| author |   Eric Dumazet <edumazet@google.com> | 2015-11-05 11:07:13 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-11-05 14:36:09 -0500 |
| commit | 805c4bc05705fb2b71ec970960b456eee9900953 (patch) | |
| tree | 6e753b369a8f3663b5a50d3174b1a6fe0495714f /net/ipv4/netfilter/nf_defrag_ipv4.c | |
| parent | net: stmmac: fix double-initialization of phy_iface (diff) | |
| download | linux-dev-805c4bc05705fb2b71ec970960b456eee9900953.tar.xz linux-dev-805c4bc05705fb2b71ec970960b456eee9900953.zip | |
tcp: fix req->saved_syn race
For the reasons explained in commit ce1050089c96 ("tcp/dccp: fix
ireq->pktopts race"), we need to make sure we do not access
req->saved_syn unless we own the request sock.
This fixes races for listeners using TCP_SAVE_SYN option.
Fixes: e994b2f0fb92 ("tcp: do not lock listener to process SYN packets")
Fixes: 079096f103fa ("tcp/dccp: install syn_recv requests into ehash table")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Ying Cai <ycai@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/netfilter/nf_defrag_ipv4.c')
0 files changed, 0 insertions, 0 deletions