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: 225d, last: 1h36m

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 (5):
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 223d 226d 0/1 upstream: reported C repro on 2020/09/07 04:13
android-49 general protection fault in skb_release_data 1 1346d 1346d 1/3 fixed on 2017/10/23 20:15
linux-4.14 general protection fault in skb_release_data C 1 28d 224d 0/1 upstream: reported C repro on 2020/09/08 19:28
upstream general protection fault in skb_release_data syz 198 1343d 1344d 3/22 fixed on 2017/10/24 06:54
linux-4.19 KASAN: use-after-free Write in skb_release_data (2) 2 36d 65d 0/1 upstream: reported on 2021/02/15 01:48

Sample crash report:

Crashes (17):
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 325d0eab 9564d2e9 .config log report syz C
ci-upstream-kasan-gce-root 2020/09/15 23:50 upstream fc4f28bb 6989d6f6 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/09/10 14:17 upstream 34d4ddd3 409809d8 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/09/08 13:03 net 19162fd4 abf9ba4f .config log report syz C
ci-upstream-net-kasan-gce 2020/09/08 09:49 net-next bb1416ad abf9ba4f .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/09/27 00:48 linux-next d1d2220c 2d5ea0cb .config log report syz C
ci-upstream-net-kasan-gce 2021/04/21 07:22 net-next a926c025 c0ced557 .config log report info general protection fault in skb_release_data
ci-upstream-net-kasan-gce 2021/04/21 06:09 net-next a926c025 c0ced557 .config log report info general protection fault in skb_release_data
ci-upstream-net-kasan-gce 2021/04/21 05:06 net-next a926c025 c0ced557 .config log report info general protection fault in skb_release_data
ci-upstream-net-kasan-gce 2021/04/21 04:07 net-next a926c025 c0ced557 .config log report info general protection fault in skb_release_data
ci-upstream-net-kasan-gce 2021/04/21 03:53 net-next a926c025 c0ced557 .config log report info general protection fault in skb_release_data
ci-upstream-net-kasan-gce 2021/04/21 03:12 net-next a926c025 c0ced557 .config log report info general protection fault in skb_release_data
ci-upstream-net-kasan-gce 2021/04/21 03:07 net-next a926c025 c0ced557 .config log report info general protection fault in skb_release_data
ci-upstream-net-kasan-gce 2021/04/21 02:36 net-next a926c025 c0ced557 .config log report info general protection fault in skb_release_data
ci-upstream-net-kasan-gce 2021/04/21 02:12 net-next a926c025 c0ced557 .config log report info general protection fault in skb_release_data
ci-upstream-net-kasan-gce 2021/04/21 01:21 net-next a926c025 c0ced557 .config log report info general protection fault in skb_release_data
ci-upstream-net-kasan-gce 2020/09/08 08:43 net-next bb1416ad abf9ba4f .config log report