syzbot


general protection fault in f2fs_usable_blks_in_seg
Status: upstream: reported C repro on 2020/09/21 08:41
Reported-by: syzbot+978a34b783141d673eda@syzkaller.appspotmail.com
First crash: 35d, last: 34d

Cause bisection: introduced by (bisect log) :
commit de881df97768d07b342cbd1f8359b832afccace9
Author: Aravind Ramesh <aravind.ramesh@wdc.com>
Date: Thu Jul 16 12:56:56 2020 +0000

  f2fs: support zone capacity less than zone size

Crash: BUG: unable to handle kernel NULL pointer dereference in f2fs_usable_zone_blks_in_seg (log)
Repro: C syz .config

Sample crash report:

Crashes (41):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-linux-next-kasan-gce-root 2020/09/21 00:59 linux-next b652d2a5 9564d2e9 .config log report syz C chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 17:04 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 16:26 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 16:26 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 16:17 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 11:34 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 11:34 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 11:34 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 11:17 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 11:17 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 11:15 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 11:10 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 11:08 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 11:08 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 11:02 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 11:00 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 10:52 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 10:49 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 10:42 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 10:34 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/21 10:32 linux-next b10b8ad8 9e1fa68e .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 18:44 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 18:42 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 15:04 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:34 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:34 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:34 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:33 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:32 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:27 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:23 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:23 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:21 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:20 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:18 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:15 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:07 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:05 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 14:03 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 13:55 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/09/20 13:48 linux-next b652d2a5 9564d2e9 .config log report info chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org