syzbot


general protection fault in skb_release_data (2)
Status: upstream: reported C repro on 2020/09/09 09:58
Reported-by: syzbot+ccfa5775bc1bda21ddd1@syzkaller.appspotmail.com
First crash: 405d, last: 164d

Cause bisection: introduced by (bisect log) [merge commit]:
commit 6b25e21fa6f26d0f0d45f161d169029411c84286
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Wed Oct 12 01:12:22 2016 +0000

  Merge tag 'drm-for-v4.9' of git://people.freedesktop.org/~airlied/linux

Crash: WARNING in nf_unregister_net_hook (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
similar bugs (7):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 general protection fault in skb_release_data C error 2 403d 406d 0/1 upstream: reported C repro on 2020/09/07 04:13
android-49 general protection fault in skb_release_data 1 1527d 1527d 1/3 fixed on 2017/10/23 20:15
linux-4.14 general protection fault in skb_release_data C 1 28d 405d 0/1 upstream: reported C repro on 2020/09/08 19:28
upstream general protection fault in skb_release_data syz 198 1523d 1524d 3/22 fixed on 2017/10/24 06:54
upstream KMSAN: uninit-value in skb_release_data (3) C 3 153d 404d 0/22 upstream: reported C repro on 2020/09/09 09:58
upstream KASAN: use-after-free Write in skb_release_data (2) C done unreliable 875 39d 1099d 0/22 upstream: reported C repro on 2018/10/15 06:30
linux-4.19 KASAN: use-after-free Write in skb_release_data (2) 3 169d 245d 0/1 auto-closed as invalid on 2021/08/30 12:28

Sample crash report:

Crashes (511):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/09/20 21:21 upstream 325d0eab4f31 9564d2e9 .config log report syz C
ci-upstream-kasan-gce-root 2020/09/15 23:50 upstream fc4f28bb3daf 6989d6f6 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/10 14:17 upstream 34d4ddd359db 409809d8 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/09/08 13:03 net 19162fd4063a abf9ba4f .config log report syz C
ci-upstream-net-kasan-gce 2020/09/08 09:49 net-next bb1416adb8a0 abf9ba4f .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/09/27 00:48 linux-next d1d2220c7f39 2d5ea0cb .config log report syz C
ci-upstream-net-kasan-gce 2021/04/23 20:37 net-next cad4162a90ae 17f0b706 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/07 08:59 linux-next 869a85b925fc 06585184 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/04 03:55 linux-next e3d35712f85a ad61f371 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/04 02:36 linux-next e3d35712f85a ad61f371 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/04 00:52 linux-next e3d35712f85a ad61f371 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/03 23:51 linux-next e3d35712f85a ad61f371 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/03 21:27 linux-next e3d35712f85a ad61f371 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/03 19:43 linux-next e3d35712f85a ad61f371 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/03 18:25 linux-next e3d35712f85a ad61f371 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/03 14:10 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/03 12:06 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/03 09:41 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/03 08:41 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/03 06:59 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/03 05:26 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/03 03:57 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/03 02:46 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 23:52 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 22:15 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 20:28 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 17:43 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 16:27 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 15:17 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 14:11 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 13:35 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 11:39 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 08:31 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 04:57 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 03:10 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 02:05 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/02 00:18 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/01 23:01 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/01 21:30 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/01 21:26 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/01 19:06 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/01 17:06 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/01 15:17 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/01 13:10 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/01 11:22 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/01 09:19 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/01 08:09 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/01 07:00 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-linux-next-kasan-gce-root 2021/05/01 05:49 linux-next e3d35712f85a 77e2b668 .config log report info general protection fault in skb_release_data
ci-upstream-net-kasan-gce 2020/09/08 08:43 net-next bb1416adb8a0 abf9ba4f .config log report