Re: [PATCH net 2/2] net: fix sock_wake_async() rcu protection

2015-12-01 Thread David Miller
From: Eric Dumazet Date: Sun, 29 Nov 2015 20:03:11 -0800 > Dmitry provided a syzkaller (http://github.com/google/syzkaller) > triggering a fault in sock_wake_async() when async IO is requested. > > Said program stressed af_unix sockets, but the issue is generic > and should be addressed in core

[PATCH net 2/2] net: fix sock_wake_async() rcu protection

2015-11-29 Thread Eric Dumazet
Dmitry provided a syzkaller (http://github.com/google/syzkaller) triggering a fault in sock_wake_async() when async IO is requested. Said program stressed af_unix sockets, but the issue is generic and should be addressed in core networking stack. The problem is that by the time sock_wake_async()