Re: [PATCH net] tcp: fix req->saved_syn race

2015-11-05 Thread Eric Dumazet
On Thu, 2015-11-05 at 11:07 -0800, Eric Dumazet wrote: > From: Eric Dumazet > > 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

Re: [PATCH net] tcp: fix req->saved_syn race

2015-11-05 Thread David Miller
From: Eric Dumazet Date: Thu, 05 Nov 2015 11:07:13 -0800 > From: Eric Dumazet > > 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 u

[PATCH net] tcp: fix req->saved_syn race

2015-11-05 Thread Eric Dumazet
From: Eric Dumazet 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 listene