syzbot


KASAN: slab-out-of-bounds Write in watch_queue_ioctl
Status: upstream: reported C repro on 2019/12/18 06:45
Reported-by: syzbot+5a774ffe70862ca9ebc7@syzkaller.appspotmail.com
First crash: 65d, last: 41d

Cause bisection: introduced by (bisect log):

commit fe78d401ca6b3639385cf7a9a1597b9cd48f64eb
Author: David Howells <dhowells@redhat.com>
Date: Fri Oct 11 07:48:08 2019 +0000

  General notification queue with user mmap()'able ring buffer

Crash: KASAN: slab-out-of-bounds Write in watch_queue_ioctl (log)
Repro: C syz .config

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-linux-next-kasan-gce-root 2019/12/18 00:54 linux-next fca4fe89 a6bc9c88 .config log report syz C arnd@arndb.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/01/11 03:59 linux-next 6c09d7db 4de4e9f0 .config log report arnd@arndb.de, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org