Re: KASAN: use-after-free in loopback_active_get

2018-04-30 Thread Takashi Iwai
On Mon, 30 Apr 2018 09:53:14 +0200, DaeRyong Jeong wrote: > > We report the crash: > KASAN: use-after-free in loopback_active_get > > This crash has been found in v4.17-rc1 using RaceFuzzer (a modified > version of Syzkaller), which we describe more at the end of this repo

KASAN: use-after-free in loopback_active_get

2018-04-30 Thread DaeRyong Jeong
We report the crash: KASAN: use-after-free in loopback_active_get This crash has been found in v4.17-rc1 using RaceFuzzer (a modified version of Syzkaller), which we describe more at the end of this report. Our analysis shows that the race occurs when invoking two syscalls concurrently, ioctl