syzbot


kernel BUG at mm/vmalloc.c:LINE! (2)
Status: upstream: reported C repro on 2020/07/10 12:24
Reported-by: syzbot+5f326d255ca648131f87@syzkaller.appspotmail.com
First crash: 467d, last: 53d

Cause bisection: introduced by (bisect log) :
commit bdbfb1d52d5e576c1d275fd8ab59b677011229e8
Author: Ingo Molnar <mingo@kernel.org>
Date: Sun Jun 7 19:12:51 2020 +0000

  Revert "mm/vmalloc: modify struct vmap_area to reduce its size"

Crash: kernel BUG at mm/vmalloc.c:LINE! (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit 537cf4e3cc2f6cc9088dcd6162de573f603adc29
Author: Magnus Karlsson <magnus.karlsson@intel.com>
Date: Fri Nov 20 11:53:39 2020 +0000

  xsk: Fix umem cleanup bug at socket destruct

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG at mm/vmalloc.c:LINE! 3 1398d 1397d 0/22 closed as invalid on 2018/02/13 19:59
linux-4.14 kernel BUG at mm/vmalloc.c:LINE! 1 413d 413d 0/1 auto-closed as invalid on 2020/12/28 07:15

Sample crash report:

Crashes (6605):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-this-kasan-gce 2020/11/11 19:26 net e87d24fce924 cca87986 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/07/20 16:47 linux-next ab8be66e724e 4285ffa3 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/12/03 07:20 upstream 3bb61aa61828 8c9190ef .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/03 06:44 upstream 3bb61aa61828 8c9190ef .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/03 05:43 upstream 3bb61aa61828 8c9190ef .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/03 05:07 upstream 3bb61aa61828 8c9190ef .config log report info
ci-upstream-kasan-gce-root 2020/12/03 03:35 upstream 509a15421674 8c9190ef .config log report info
ci-upstream-kasan-gce-root 2020/12/03 02:31 upstream 509a15421674 8c9190ef .config log report info
ci-upstream-kasan-gce 2020/12/03 02:26 upstream 3bb61aa61828 8c9190ef .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/02 23:05 upstream 509a15421674 8c9190ef .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/02 22:08 upstream 509a15421674 8c9190ef .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/02 20:50 upstream 509a15421674 8c9190ef .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/02 20:00 upstream 509a15421674 8c9190ef .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/02 19:44 upstream 509a15421674 8c9190ef .config log report info
ci-upstream-kasan-gce-root 2020/12/02 13:24 upstream 509a15421674 c42a35e9 .config log report info
ci-upstream-kasan-gce-root 2020/12/02 10:47 upstream 509a15421674 c42a35e9 .config log report info
ci-upstream-kasan-gce-root 2020/12/02 09:45 upstream 509a15421674 c42a35e9 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/02 09:14 upstream 509a15421674 c42a35e9 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/02 07:40 upstream 509a15421674 c42a35e9 .config log report info
ci-upstream-kasan-gce-root 2020/12/02 07:06 upstream 509a15421674 c42a35e9 .config log report info
ci-upstream-kasan-gce 2020/12/02 06:54 upstream 509a15421674 c42a35e9 .config log report info
ci-upstream-kasan-gce-root 2020/12/02 06:06 upstream 509a15421674 c42a35e9 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/02 01:30 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/02 00:25 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce-root 2020/12/01 23:19 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/01 23:12 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/01 22:11 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce-root 2020/12/01 20:16 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce 2020/12/01 19:58 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce-smack-root 2020/12/01 18:48 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce 2020/12/01 18:13 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/01 16:54 upstream b65054597872 07bfe8a5 .config log report info
ci-qemu-upstream 2020/12/01 15:40 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce-root 2020/12/01 15:35 upstream b65054597872 07bfe8a5 .config log report info
ci-upstream-kasan-gce-smack-root 2020/07/06 12:17 upstream 7cc2a8ea1048 51095195 .config log report
ci-qemu-upstream-386 2020/12/02 05:15 upstream 509a15421674 c42a35e9 .config log report info
ci-qemu-upstream-386 2020/12/02 03:23 upstream 509a15421674 c42a35e9 .config log report info
ci-upstream-kasan-gce-386 2020/12/01 00:58 upstream b65054597872 78d50c1d .config log report info
ci-upstream-net-this-kasan-gce 2020/11/28 23:15 net c84e1efae022 76b4dcc7 .config log report info
ci-upstream-net-kasan-gce 2020/12/11 18:23 net-next 91163f821436 ba24ffcd .config log report info
ci-upstream-net-kasan-gce 2020/12/04 01:22 net-next cec85994c6b4 e6b0d314 .config log report info
ci-upstream-net-kasan-gce 2020/12/03 11:16 net-next cec85994c6b4 e6b0d314 .config log report info
ci-upstream-net-kasan-gce 2020/12/03 08:34 net-next cec85994c6b4 8c9190ef .config log report info
ci-upstream-net-kasan-gce 2020/12/03 01:11 net-next 6b4f503186b7 8c9190ef .config log report info
ci-upstream-net-kasan-gce 2020/12/03 00:08 net-next 6b4f503186b7 8c9190ef .config log report info
ci-upstream-net-kasan-gce 2020/12/02 21:15 net-next 6b4f503186b7 8c9190ef .config log report info
ci-upstream-net-kasan-gce 2020/12/02 18:37 net-next 6b4f503186b7 8c9190ef .config log report info
ci-upstream-net-kasan-gce 2020/12/02 16:38 net-next 6b4f503186b7 8c9190ef .config log report info
ci-upstream-net-kasan-gce 2020/12/02 14:29 net-next 87f75e5860e0 c42a35e9 .config log report info
ci-upstream-net-kasan-gce 2020/12/02 08:42 net-next 87f75e5860e0 c42a35e9 .config log report info
ci-upstream-net-kasan-gce 2020/12/02 04:52 net-next 87f75e5860e0 c42a35e9 .config log report info
ci-upstream-net-kasan-gce 2020/12/02 02:09 net-next cb7fb043e69a 07bfe8a5 .config log report info
ci-upstream-net-kasan-gce 2020/12/01 21:40 net-next cb7fb043e69a 07bfe8a5 .config log report info
ci-upstream-net-kasan-gce 2020/12/01 16:42 net-next cb7fb043e69a 07bfe8a5 .config log report info
ci-upstream-linux-next-kasan-gce-root 2021/08/25 09:20 linux-next 372b2891c15a b599f2fc .config log report info kernel BUG in vmalloc_to_page
ci-upstream-linux-next-kasan-gce-root 2020/11/23 09:03 linux-next 95065cb54210 0d27f508 .config log report info