WARNING in timer_wait_running
Status: upstream: reported C repro on 2020/08/31 17:07
First crash: 328d, last: 44d

Cause bisection: introduced by (bisect log) :
commit b1012ca8dc4f9b1a1fe8e2cb1590dd6d43ea3849
Author: Lu Baolu <>
Date: Thu Jul 23 01:34:37 2020 +0000

  iommu/vt-d: Skip TE disabling on quirky gfx dedicated iommu

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

Fix bisection: the fix commit could be any of (bisect log):
  1e43c377a79f Merge tag 'xtensa-20210329' of git://
  50be9417e23a Merge tag 'io_uring-5.14-2021-07-09' of git://
Patch testing requests:
Created Duration User Patch Repo Result
2020/09/13 20:55 16m patch upstream OK

Sample crash report:

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/03/30 08:37 upstream 1e43c377a79f 6a81331a .config log report syz C WARNING in timer_wait_running
ci-upstream-kasan-gce-smack-root 2020/08/31 11:51 upstream dcc5c6f013d8 d5a3ae1f .config log report syz C
ci-upstream-kasan-gce 2020/08/31 09:04 upstream dcc5c6f013d8 d5a3ae1f .config log report syz C
ci-upstream-kasan-gce-386 2020/08/30 07:16 upstream 1127b219ce94 d5a3ae1f .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/08/31 16:15 upstream dcc5c6f013d8 d5a3ae1f .config log report syz
ci-upstream-linux-next-kasan-gce-root 2020/09/01 06:09 linux-next b36c969764ab d5a3ae1f .config log report syz
ci-upstream-kasan-gce-386 2021/05/10 21:55 upstream 0aa099a312b6 ca873091 .config log report info WARNING in timer_wait_running
ci-upstream-kasan-gce 2020/09/10 13:54 upstream 34d4ddd359db 409809d8 .config log report
ci-upstream-kasan-gce-386 2020/12/21 14:09 upstream e37b12e4bb21 04201c06 .config log report info
ci-upstream-kasan-gce-386 2020/10/03 19:43 upstream d3d45f8220d6 2653fa43 .config log report info
ci-upstream-kasan-gce-386 2020/08/30 05:14 upstream 1127b219ce94 d5a3ae1f .config log report
ci-upstream-linux-next-kasan-gce-root 2020/09/17 20:20 linux-next 860461e4fcaa 8247808b .config log report info