Hi Eric,
[auto build test WARNING on net/master]
url:
https://github.com/0day-ci/linux/commits/Eric-Dumazet/dccp-tcp-fix-ireq-opt-races/20171021-034024
config: powerpc-ppc6xx_defconfig (attached as .config)
compiler: powerpc-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wge
On Sat, 2017-10-21 at 05:26 +0800, kbuild test robot wrote:
> Hi Eric,
>
> [auto build test WARNING on net/master]
Obsolete report. v4 was sent few hours ago ;)
Hi Eric,
[auto build test WARNING on net/master]
url:
https://github.com/0day-ci/linux/commits/Eric-Dumazet/dccp-tcp-fix-ireq-opt-races/20171021-034024
config: alpha-allmodconfig (attached as .config)
compiler: alpha-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget
https
On Fri, 2017-10-20 at 07:18 +0100, David Miller wrote:
> From: David Miller
> Date: Fri, 20 Oct 2017 07:04:58 +0100 (WEST)
>
> > Much better, applied and queued up for -stable.
>
> I take that back.
>
> Please build test your changes more thoroughly.
Arg, sorry for wasting your time, I will se
From: David Miller
Date: Fri, 20 Oct 2017 07:04:58 +0100 (WEST)
> Much better, applied and queued up for -stable.
I take that back.
Please build test your changes more thoroughly.
In file included from ./arch/x86/include/asm/atomic.h:7:0,
from ./include/linux/atomic.h:4,
From: Eric Dumazet
Date: Thu, 19 Oct 2017 15:24:49 -0700
> From: Eric Dumazet
>
> syzkaller found another bug in DCCP/TCP stacks [1]
>
> For the reasons explained in commit ce1050089c96 ("tcp/dccp: fix
> ireq->pktopts race"), we need to make sure we do not access
> ireq->opt unless we own the
From: Eric Dumazet
syzkaller found another bug in DCCP/TCP stacks [1]
For the reasons explained in commit ce1050089c96 ("tcp/dccp: fix
ireq->pktopts race"), we need to make sure we do not access
ireq->opt unless we own the request sock.
[1]
BUG: KASAN: use-after-free in ip_queue_xmit+0x1687/0x1
