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BUG: workqueue lockup (5)

Status: upstream: reported C repro on 2020/01/14 22:04
Subsystems: kernel
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+f0b66b520b54883d4b9d@syzkaller.appspotmail.com
First crash: 2315d, last: 9m
▶ ▼ ✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision Error
bab98703-1914-454d-a760-d5f95a3e096d assessment-security DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ ✅ BUG: workqueue lockup (5) 2026/05/08 07:47 2026/05/08 09:32 2026/05/08 13:01 5633175ac55a168bed206a2b9955326db0abf0fc
Cause bisection: introduced by (bisect log) :
commit ebe02de2c60caa3ee5a1b39c7c8b2a40e1fda2d8
Author: Himanshu Jha <himanshujha199640@gmail.com>
Date: Tue Aug 29 13:12:27 2017 +0000

  drm/amd/powerplay/hwmgr: Remove null check before kfree

Crash: WARNING in __x86_set_memory_region (log)
Repro: C syz .config
  
▶ ▼ Discussions (11)
Title Replies (including bot) Last reply
[syzbot] Monthly net report (Nov 2025) 0 (1) 2025/11/17 07:50
[syzbot] Monthly net report (Oct 2025) 0 (1) 2025/10/16 08:36
[syzbot] Monthly arm report (Sep 2025) 0 (1) 2025/09/21 22:02
[syzbot] Monthly net report (Sep 2025) 0 (1) 2025/09/15 06:54
[syzbot] Monthly net report (Aug 2025) 0 (1) 2025/08/14 12:42
[syzbot] Monthly net report (Jul 2025) 0 (1) 2025/07/14 07:23
[syzbot] Monthly wireguard report (May 2025) 0 (1) 2025/05/12 06:34
[syzbot] Monthly net report (Oct 2024) 0 (1) 2024/10/03 09:02
[syzbot] Monthly kernfs report (Aug 2024) 0 (1) 2024/08/13 12:33
[syzbot] Monthly kernfs report (Jul 2024) 0 (1) 2024/07/09 14:10
BUG: workqueue lockup (5) 0 (1) 2020/01/14 22:04
▶ ▼ Similar bugs (41)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: workqueue lockup (4) block -1 C 47 2369d 2776d 15/29 fixed on 2019/12/13 00:31
linux-5.15 BUG: workqueue lockup missing-backport origin:upstream -1 C done 636 7h14m 1160d 0/3 upstream: reported C repro on 2023/03/11 08:51
android-5-15 BUG: workqueue lockup origin:upstream missing-backport -1 C error 8077 8h20m 1056d 0/2 upstream: reported C repro on 2023/06/22 22:19
upstream BUG: workqueue lockup (2) -1 C 406 2925d 3083d 5/29 fixed on 2018/05/13 10:02
linux-4.14 BUG: workqueue lockup -1 C 282 1170d 2572d 0/1 upstream: reported C repro on 2019/04/29 11:26
upstream BUG: workqueue lockup -1 C 172 3106d 3117d 3/29 fixed on 2017/11/11 01:37
android-5-10 BUG: workqueue lockup (2) -1 C error 16694 3h48m 1165d 0/2 upstream: reported C repro on 2023/03/05 21:10
upstream BUG: workqueue lockup (3) -1 C 1215 2869d 2922d 8/29 fixed on 2018/07/09 18:05
android-6-1 BUG: workqueue lockup origin:upstream missing-backport -1 C error 7393 1h10m 1025d 0/2 upstream: reported C repro on 2023/07/23 17:25
linux-6.6 BUG: workqueue lockup origin:upstream -1 C error 49 23h46m 331d 0/2 upstream: reported C repro on 2025/06/17 05:08
android-414 BUG: workqueue lockup -1 C 114 2434d 2590d 0/1 public: reported C repro on 2019/04/11 00:00
linux-4.19 BUG: workqueue lockup -1 C error 41 1164d 2578d 0/1 upstream: reported C repro on 2019/04/22 20:37
android-5-10 BUG: workqueue lockup -1 C error 25 1564d 1662d 0/2 closed as invalid on 2022/02/22 17:18
android-49 BUG: workqueue lockup -1 C 69 2358d 2590d 0/3 public: reported C repro on 2019/04/11 08:44
android-6-12 BUG: workqueue lockup -1 1 299d 299d 0/1 auto-obsoleted due to no activity on 2025/10/16 16:41
linux-6.1 BUG: workqueue lockup origin:upstream missing-backport -1 C unreliable 562 21h01m 1163d 0/3 upstream: reported C repro on 2023/03/07 17:51
linux-6.1 INFO: rcu detected stall in corrupted origin:upstream missing-backport 1 C inconclusive 4028 11d 1158d 0/3 upstream: reported C repro on 2023/03/13 04:03
upstream INFO: task hung in exit_aio (4) fs 1 6 517d 583d 0/29 auto-obsoleted due to no activity on 2025/03/13 05:51
android-5-15 BUG: soft lockup in corrupted origin:upstream 1 C error 33 606d 763d 0/2 upstream: reported C repro on 2024/04/11 09:01
upstream INFO: task hung in nsim_destroy (4) net 1 syz error error 439 12d 713d 0/29 upstream: reported syz repro on 2024/05/31 11:16
upstream INFO: task hung in reg_process_self_managed_hints wireless 1 C done 1071 2h25m 996d 0/29 upstream: reported C repro on 2023/08/21 16:36
linux-6.6 INFO: rcu detected stall in corrupted origin:lts-only 1 C done 112 33d 325d 0/2 upstream: reported C repro on 2025/06/23 09:19
upstream INFO: rcu detected stall in corrupted (4) sound tipc 1 C done inconclusive 810 9d03h 2077d 0/29 upstream: reported C repro on 2020/09/04 18:49
linux-4.14 BUG: soft lockup in corrupted 1 C error 12 1382d 1866d 0/1 upstream: reported C repro on 2021/04/04 06:30
upstream INFO: task hung in reg_check_chans_work (7) wireless 1 C error 917 3h23m 598d 0/29 upstream: reported C repro on 2024/09/23 08:39
android-6-12 INFO: rcu detected stall in corrupted origin:lts 1 syz 2 80d 200d 0/1 premoderation: reported syz repro on 2025/10/26 00:18
upstream INFO: task hung in linkwatch_event (4) net 1 C done 3545 8h02m 656d 0/29 upstream: reported C repro on 2024/07/27 06:21
linux-4.19 INFO: rcu detected stall in corrupted 1 C error 2 1574d 2282d 0/1 upstream: reported C repro on 2020/02/13 05:06
upstream INFO: task hung in uevent_show (2) kernel 1 C inconclusive 8325 312d 550d 29/29 fixed on 2025/07/17 21:22
linux-4.19 BUG: soft lockup in corrupted 1 C error 3 1411d 1599d 0/1 upstream: reported C repro on 2021/12/26 20:46
linux-5.15 INFO: rcu detected stall in corrupted origin:lts-only 1 C error 131 2d19h 934d 0/3 upstream: reported C repro on 2023/10/23 02:41
upstream INFO: task hung in do_fb_ioctl (4) fbdev 1 1 1095d 1095d 0/29 auto-obsoleted due to no activity on 2023/07/13 16:33
upstream INFO: task hung in do_fb_ioctl (3) fbdev 1 2 1322d 1347d 0/29 auto-obsoleted due to no activity on 2023/01/02 23:29
upstream INFO: task hung in do_fb_ioctl (5) fbdev 1 1 602d 602d 0/29 auto-obsoleted due to no activity on 2024/12/17 19:15
upstream INFO: task hung in do_fb_ioctl (2) fbdev 1 1 1542d 1542d 0/29 auto-closed as invalid on 2022/05/22 20:52
linux-6.1 INFO: task hung in do_fb_ioctl 1 1 291d 291d 0/3 auto-obsoleted due to no activity on 2025/11/04 03:50
linux-6.6 INFO: task hung in do_fb_ioctl 1 1 219d 219d 0/2 auto-obsoleted due to no activity on 2026/01/15 02:24
linux-4.19 INFO: task hung in do_fb_ioctl 1 1 2316d 2316d 0/1 auto-closed as invalid on 2020/05/08 18:42
upstream INFO: task hung in do_fb_ioctl fbdev 1 47 2106d 2314d 0/29 closed as dup on 2020/07/27 22:56
linux-4.14 INFO: task hung in do_fb_ioctl 1 C error 24 1995d 2354d 0/1 upstream: reported C repro on 2019/12/03 05:09
linux-4.19 INFO: task hung in do_fb_ioctl (2) 1 C done 7 1726d 2141d 1/1 fixed on 2021/09/21 12:35
▶ ▼ Fix bisection attempts (5)
Created Duration User Patch Repo Result
2022/02/04 03:38 25m bisect fix upstream OK (0) job log log
2021/10/10 21:15 29m bisect fix upstream OK (0) job log log
2021/06/12 16:53 28m bisect fix upstream OK (0) job log log
2021/04/01 05:06 27m bisect fix upstream OK (0) job log log
2020/11/07 06:59 21m bisect fix upstream OK (0) job log log

Sample crash report:
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 144s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: ovs_dp_masks_rebalance, 2*psi_avgs_work
workqueue events_long: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5
    pending: 4*defense_work_handler
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: 2*defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    pending: flush_memcg_stats_dwork
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
    pending: toggle_allocation_gate, crng_reseed
workqueue events_power_efficient: flags=0x180
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=6 refcnt=7
    in-flight: 42:gc_worker for 21s
    pending: do_cache_clean, 2*neigh_managed_work, 2*neigh_periodic_work
workqueue kvfree_rcu_reclaim: flags=0xa
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    pending: kfree_rcu_monitor
workqueue writeback: flags=0x4a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    pending: wb_workfn
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=9
    pending: addrconf_verify_work
    inactive: 5*addrconf_verify_work
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=21s workers=3 idle: 24 792

Crashes (15504):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/04/03 21:23 upstream d8a9a4b11a13 4440e7c2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: workqueue lockup
2026/01/08 12:25 upstream f0b9d8eb98df d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: workqueue lockup
2026/01/06 10:53 upstream 7f98ab9da046 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: workqueue lockup
2025/12/28 12:55 upstream d26143bb38e2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: workqueue lockup
2025/12/17 00:49 upstream 40fbbd64bba6 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: workqueue lockup
2025/12/15 09:12 upstream 8f0b4cce4481 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root BUG: workqueue lockup
2021/10/21 04:11 upstream 8e37395c3a5d f111d03b .config console log report syz C ci-upstream-kasan-gce-root BUG: workqueue lockup
2021/08/01 16:22 upstream f3438b4c4e69 6c236867 .config console log report syz C ci-upstream-kasan-gce-root BUG: workqueue lockup
2025/12/24 22:44 linux-next cc3aa43b44bd d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root BUG: workqueue lockup
2025/12/16 11:40 linux-next 4a5663c04bb6 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce BUG: workqueue lockup
2025/12/07 02:31 linux-next 6987d58a9cbc d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce BUG: workqueue lockup
2026/05/10 18:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 29233ece .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/01/11 20:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 59e4d31a0470 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/13 14:50 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/11 21:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1 (corrupt fs)] [mounted in repro #2] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/11 11:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/07 05:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/06 12:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/01 10:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/01 08:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/28 11:03 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 56b28b3bf0f5 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/25 19:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3812f8fa7c83 64219f15 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/24 05:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3812f8fa7c83 4fb8ef37 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/23 20:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3812f8fa7c83 4fb8ef37 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/20 20:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ef10811e9f56 280ea308 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/20 07:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ef10811e9f56 26ee5237 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/19 04:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0135f5afa33b ef766cd7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2020/06/30 23:05 upstream 9ebcfadb0610 917afeaa .config console log report syz C ci-upstream-kasan-gce-smack-root
2020/01/11 06:19 upstream e69ec487b2c7 4de4e9f0 .config console log report syz C ci-upstream-kasan-gce-root
2025/12/29 01:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f0b4cce4481 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: soft lockup in corrupted
2025/12/01 08:45 upstream e69c7c175115 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: workqueue lockup
2026/05/07 13:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 f250db59 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/01/11 17:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 59e4d31a0470 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/09 09:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/07 14:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/03 18:05 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/03 06:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/02 21:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/02 13:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/12/02 08:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/28 06:21 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 56b28b3bf0f5 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/28 02:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 56b28b3bf0f5 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/25 13:14 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3812f8fa7c83 64219f15 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/23 01:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3812f8fa7c83 4fb8ef37 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/21 21:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3812f8fa7c83 c31c1b0b .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/20 01:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ef10811e9f56 26ee5237 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2025/11/19 18:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0135f5afa33b 26ee5237 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/12 23:01 upstream c21b90f77687 a0949470 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root BUG: workqueue lockup
2026/05/05 02:55 upstream c7e4e4d5f7dc a898ba9c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce BUG: workqueue lockup
2026/05/02 17:08 upstream f1a5e78a55eb a0d91488 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: workqueue lockup
2026/04/05 17:46 upstream 3aae9383f42f 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root BUG: workqueue lockup
2026/03/14 18:17 upstream 1c9982b49613 ee8d34d6 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto BUG: workqueue lockup
2026/05/13 04:45 upstream c21b90f77687 a0949470 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 BUG: workqueue lockup
2024/11/19 10:04 upstream 9fb2cfa4635a 571351cb .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream BUG: workqueue lockup
2025/09/16 20:13 upstream 46a51f4f5eda e2beed91 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-compat BUG: workqueue lockup
2025/04/20 22:45 upstream 6fea5fabd332 2a20f901 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: workqueue lockup
2024/06/10 01:36 upstream 771ed66105de 82c05ab8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm32 BUG: workqueue lockup
2026/04/30 04:54 net e73cafaf4ace 005438fc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce BUG: workqueue lockup
2026/04/07 14:58 bpf d8a9a4b11a13 628666c6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/04/26 12:49 bpf-next 6c60b2dd5a78 9c2d0995 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/02/20 04:55 net-next 8bf22c33e7a1 17d780d6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce BUG: workqueue lockup
2026/05/10 07:22 linux-next e98d21c170b0 29233ece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root BUG: workqueue lockup
2026/02/13 19:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing da87d45b1951 1e62d198 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb BUG: workqueue lockup
2026/05/14 12:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/14 11:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/14 10:56 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/14 09:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/14 07:39 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/14 06:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/14 04:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/14 03:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/14 01:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 22:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 21:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 19:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 18:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 18:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 15:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 13:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 12:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 10:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 09:19 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 08:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 a0949470 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 06:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 a0949470 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 03:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 a0949470 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/13 03:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 a0949470 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/12 20:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d5b1a17d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/12 18:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d5b1a17d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/12 16:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d5b1a17d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/12 14:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d5b1a17d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/12 13:23 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d5b1a17d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/12 12:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d5b1a17d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/12 08:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d168f260 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/12 06:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d168f260 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/12 04:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d168f260 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/12 01:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d168f260 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/11 23:46 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d168f260 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/11 22:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d168f260 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/11 21:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 d168f260 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/11 19:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 e6eb7c0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/11 17:45 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 e6eb7c0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/11 17:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 e6eb7c0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/11 15:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 e6eb7c0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/11 14:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 e6eb7c0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/11 12:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 e6eb7c0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/11 10:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 e6eb7c0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: workqueue lockup
2026/05/03 17:31 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 66edb901bf87 a0d91488 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 BUG: workqueue lockup
2026/02/28 06:48 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git for-next 18be4ca5cb4e 2cf092b8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 BUG: workqueue lockup
2026/03/13 03:58 upstream 0257f64bdac7 2f7f359d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in do_fb_ioctl
2026/04/05 13:56 upstream 3aae9383f42f 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in do_fb_ioctl
2021/01/17 02:30 upstream 0da0a8a0a0e1 65a7a854 .config console log report info ci-upstream-kasan-gce
* Struck through repros no longer work on HEAD.