syzbot


KASAN: null-ptr-deref Write in event_handler
Status: upstream: reported C repro on 2020/10/05 13:59
Reported-by: syzbot+bf1a360e305ee719e364@syzkaller.appspotmail.com
First crash: 149d, last: 13h23m

Cause bisection: introduced by (bisect log) [merge commit]:
commit 5acb6052ce304d89e36f599f1e27a7c63d389ca0
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sat Oct 8 04:20:33 2016 +0000

  Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Crash: WARNING in nf_unregister_net_hook (log)
Repro: C syz .config
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
KASAN: null-ptr-deref Write in vhci_shutdown_connection C unreliable 3086 20m 71d 0/21 closed as dup on 2021/01/20 03:12
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 KASAN: null-ptr-deref Write in event_handler C 1046 7d13h 149d 0/1 upstream: reported C repro on 2020/10/03 09:17

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/03/01 16:41 upstream fe07bfda f213e07e .config log report syz C
ci-upstream-kasan-gce-smack-root 2021/01/16 13:54 upstream 1d94330a f213e07e .config log report syz C
Crashes (2869):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/12/16 16:17 upstream d635a69d f213e07e .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/15 21:23 upstream 148842c9 97183ed7 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/14 23:34 upstream 2c85ebc5 97183ed7 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/14 21:56 upstream 2c85ebc5 97183ed7 .config log report syz C
ci-upstream-kasan-gce 2020/12/14 12:09 upstream 6bff9bb8 b22a7ec3 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/13 09:05 upstream 7b1b868e bca53db9 .config log report syz C
ci-upstream-kasan-gce 2020/12/13 02:34 upstream 7b1b868e bca53db9 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/12 05:10 upstream 33dc9614 ba24ffcd .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/12 04:05 upstream 33dc9614 ba24ffcd .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/12 02:35 upstream 33dc9614 ba24ffcd .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/12 02:15 upstream 33dc9614 ba24ffcd .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/12 01:40 upstream 33dc9614 ba24ffcd .config log report syz C
ci-upstream-kasan-gce-root 2020/10/03 16:00 upstream d3d45f82 2653fa43 .config log report syz C
ci-upstream-kasan-gce 2020/10/03 10:16 upstream d3d45f82 2653fa43 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/12/16 16:39 upstream d635a69d f213e07e .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/16 16:32 upstream d635a69d f213e07e .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/16 13:06 upstream d635a69d f213e07e .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/15 23:34 upstream 148842c9 97183ed7 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/15 19:43 upstream 148842c9 97183ed7 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/15 19:32 upstream 148842c9 97183ed7 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/15 17:57 upstream 148842c9 97183ed7 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/15 14:12 upstream 148842c9 97183ed7 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/15 13:39 upstream 148842c9 97183ed7 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/15 04:34 upstream 2c85ebc5 97183ed7 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/15 02:19 upstream 2c85ebc5 97183ed7 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/15 01:19 upstream 2c85ebc5 97183ed7 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/15 00:11 upstream 2c85ebc5 97183ed7 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/13 12:25 upstream 7b1b868e bca53db9 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/13 12:15 upstream 7b1b868e bca53db9 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/13 12:05 upstream 7b1b868e bca53db9 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/13 09:19 upstream 7b1b868e bca53db9 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/13 08:28 upstream 7b1b868e bca53db9 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/13 08:18 upstream 7b1b868e bca53db9 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/13 08:07 upstream 7b1b868e bca53db9 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/13 06:41 upstream 7b1b868e bca53db9 .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/12 05:50 upstream 33dc9614 ba24ffcd .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/12 04:43 upstream 33dc9614 ba24ffcd .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/12 04:30 upstream 33dc9614 ba24ffcd .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/12 04:22 upstream 33dc9614 ba24ffcd .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/12 03:48 upstream 33dc9614 ba24ffcd .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/12 03:37 upstream 33dc9614 ba24ffcd .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/12 03:27 upstream 33dc9614 ba24ffcd .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/12 03:00 upstream 33dc9614 ba24ffcd .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/12 02:49 upstream 33dc9614 ba24ffcd .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/12 01:59 upstream 33dc9614 ba24ffcd .config log report syz
ci-upstream-kasan-gce-smack-root 2020/12/12 01:10 upstream 33dc9614 ba24ffcd .config log report syz
ci-upstream-kasan-gce 2020/10/03 09:34 upstream d3d45f82 2653fa43 .config log report syz
ci-upstream-kasan-gce 2020/12/16 12:26 upstream d635a69d f213e07e .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/16 10:48 upstream d635a69d f213e07e .config log report info
ci-upstream-kasan-gce 2020/12/16 09:19 upstream d635a69d f213e07e .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/16 07:32 upstream d635a69d f213e07e .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/16 04:10 upstream d635a69d f213e07e .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/16 02:40 upstream 148842c9 97183ed7 .config log report info
ci-upstream-kasan-gce 2020/12/16 01:36 upstream 148842c9 97183ed7 .config log report info
ci-upstream-kasan-gce 2020/12/15 23:01 upstream 148842c9 97183ed7 .config log report info
ci-upstream-kasan-gce 2020/12/15 16:16 upstream 148842c9 97183ed7 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/15 15:23 upstream 148842c9 97183ed7 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/14 22:47 upstream 2c85ebc5 97183ed7 .config log report info
ci-upstream-kasan-gce 2020/12/14 21:46 upstream 2c85ebc5 97183ed7 .config log report info
ci-upstream-kasan-gce 2020/12/14 20:10 upstream 2c85ebc5 97183ed7 .config log report info
ci-upstream-kasan-gce-root 2020/12/14 18:19 upstream 2c85ebc5 97183ed7 .config log report info
ci-upstream-kasan-gce-root 2020/12/14 16:34 upstream 2c85ebc5 97183ed7 .config log report info
ci-upstream-kasan-gce 2020/12/14 09:39 upstream 6bff9bb8 b22a7ec3 .config log report info
ci-qemu-upstream 2020/12/14 07:08 upstream 2c85ebc5 b22a7ec3 .config log report info
ci-upstream-kasan-gce-root 2020/12/14 04:11 upstream 6bff9bb8 b22a7ec3 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/14 00:47 upstream 6bff9bb8 b22a7ec3 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/13 18:40 upstream 6bff9bb8 bca53db9 .config log report info
ci-upstream-kasan-gce 2020/12/13 12:26 upstream 7b1b868e bca53db9 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/13 10:28 upstream 7b1b868e bca53db9 .config log report info
ci-upstream-kasan-gce 2020/12/13 07:56 upstream 7b1b868e bca53db9 .config log report info
ci-upstream-kasan-gce 2020/12/13 06:33 upstream 7b1b868e bca53db9 .config log report info
ci-upstream-kasan-gce 2020/12/13 03:38 upstream 7b1b868e bca53db9 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/13 02:33 upstream 7b1b868e bca53db9 .config log report info
ci-upstream-kasan-gce 2020/12/13 00:41 upstream 7b1b868e bca53db9 .config log report info
ci-upstream-kasan-gce 2020/12/12 20:57 upstream 7f376f19 bca53db9 .config log report info
ci-upstream-kasan-gce 2020/12/12 17:44 upstream 7f376f19 bca53db9 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/12 15:38 upstream 7f376f19 bca53db9 .config log report info
ci-upstream-kasan-gce 2020/12/12 14:00 upstream 7f376f19 bca53db9 .config log report info
ci-upstream-kasan-gce 2020/12/12 10:26 upstream 7f376f19 bca53db9 .config log report info
ci-upstream-kasan-gce-386 2020/12/15 13:00 upstream 148842c9 97183ed7 .config log report info
ci-upstream-kasan-gce-386 2020/12/15 06:45 upstream 148842c9 97183ed7 .config log report info
ci-upstream-kasan-gce-386 2020/12/14 14:47 upstream 2c85ebc5 97183ed7 .config log report info
ci-upstream-kasan-gce-386 2020/12/14 13:13 upstream 6bff9bb8 b22a7ec3 .config log report info
ci-upstream-kasan-gce-386 2020/12/14 11:24 upstream 6bff9bb8 b22a7ec3 .config log report info
ci-upstream-kasan-gce-386 2020/12/14 05:21 upstream 6bff9bb8 b22a7ec3 .config log report info
ci-upstream-kasan-gce-386 2020/12/14 02:44 upstream 6bff9bb8 b22a7ec3 .config log report info
ci-qemu-upstream-386 2020/12/13 22:28 upstream ec6f5e0e 8f160dd5 .config log report info
ci-qemu-upstream-386 2020/12/13 20:01 upstream 6bff9bb8 8f160dd5 .config log report info
ci-upstream-kasan-gce-386 2020/12/13 11:28 upstream 7b1b868e bca53db9 .config log report info
ci-upstream-kasan-gce-386 2020/12/12 22:21 upstream 7b1b868e bca53db9 .config log report info
ci-upstream-kasan-gce-386 2020/12/12 19:46 upstream 7f376f19 bca53db9 .config log report info
ci-upstream-kasan-gce-386 2020/12/12 16:47 upstream 7f376f19 bca53db9 .config log report info
ci-upstream-kasan-gce-386 2020/10/03 09:16 upstream d3d45f82 2653fa43 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/14 07:48 linux-next 14240d4c b22a7ec3 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/13 13:35 linux-next 14240d4c bca53db9 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/12/12 23:33 linux-next 14240d4c bca53db9 .config log report info