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BUG: workqueue lockup (5)

Status: upstream: reported C repro on 2020/01/14 22:04
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+f0b66b520b54883d4b9d@syzkaller.appspotmail.com
First crash: 2279d, last: 13m
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 2333d 2740d 15/29 fixed on 2019/12/13 00:31
linux-5.15 BUG: workqueue lockup missing-backport origin:upstream -1 C done 635 7d21h 1124d 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 7887 4h58m 1020d 0/2 upstream: reported C repro on 2023/06/22 22:19
upstream BUG: workqueue lockup (2) -1 C 406 2889d 3048d 5/29 fixed on 2018/05/13 10:02
linux-4.14 BUG: workqueue lockup -1 C 282 1134d 2536d 0/1 upstream: reported C repro on 2019/04/29 11:26
upstream BUG: workqueue lockup -1 C 172 3070d 3081d 3/29 fixed on 2017/11/11 01:37
android-5-10 BUG: workqueue lockup (2) -1 C error 16591 27m 1129d 0/2 upstream: reported C repro on 2023/03/05 21:10
upstream BUG: workqueue lockup (3) -1 C 1215 2834d 2886d 8/29 fixed on 2018/07/09 18:05
android-6-1 BUG: workqueue lockup origin:upstream missing-backport -1 C error 7158 6h34m 989d 0/2 upstream: reported C repro on 2023/07/23 17:25
linux-6.6 BUG: workqueue lockup origin:upstream -1 C error 47 16d 295d 0/2 upstream: reported C repro on 2025/06/17 05:08
android-414 BUG: workqueue lockup -1 C 114 2398d 2554d 0/1 public: reported C repro on 2019/04/11 00:00
linux-4.19 BUG: workqueue lockup -1 C error 41 1128d 2542d 0/1 upstream: reported C repro on 2019/04/22 20:37
android-5-10 BUG: workqueue lockup -1 C error 25 1528d 1627d 0/2 closed as invalid on 2022/02/22 17:18
android-49 BUG: workqueue lockup -1 C 69 2322d 2554d 0/3 public: reported C repro on 2019/04/11 08:44
android-6-12 BUG: workqueue lockup -1 1 264d 264d 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 526 4h29m 1127d 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 4024 5d04h 1122d 0/3 upstream: reported C repro on 2023/03/13 04:03
upstream INFO: task hung in exit_aio (4) fs 1 6 481d 547d 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 570d 727d 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 436 48d 677d 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 1047 3d11h 961d 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 111 4d02h 289d 0/2 upstream: reported C repro on 2025/06/23 09:19
upstream INFO: rcu detected stall in corrupted (4) tipc 1 C done inconclusive 805 6d17h 2041d 0/29 upstream: reported C repro on 2020/09/04 18:49
linux-4.14 BUG: soft lockup in corrupted 1 C error 12 1346d 1830d 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 878 2d03h 562d 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 44d 164d 0/1 premoderation: reported syz repro on 2025/10/26 00:18
upstream INFO: task hung in linkwatch_event (4) net 1 C done 3495 10h57m 620d 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 1539d 2246d 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 276d 515d 29/29 fixed on 2025/07/17 21:22
linux-4.19 BUG: soft lockup in corrupted 1 C error 3 1375d 1563d 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 122 2d13h 898d 0/3 upstream: reported C repro on 2023/10/23 02:41
upstream INFO: task hung in do_fb_ioctl (4) fbdev 1 1 1060d 1060d 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 1286d 1311d 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 566d 566d 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 1506d 1506d 0/29 auto-closed as invalid on 2022/05/22 20:52
linux-6.1 INFO: task hung in do_fb_ioctl 1 1 255d 255d 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 183d 183d 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 2280d 2280d 0/1 auto-closed as invalid on 2020/05/08 18:42
upstream INFO: task hung in do_fb_ioctl fbdev 1 47 2070d 2278d 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 1959d 2318d 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 1690d 2105d 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 (15185):
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
2026/01/11 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
2025/11/18 15:32 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
2026/01/11 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
2025/11/18 21:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 0135f5afa33b ef766cd7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 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
2026/04/05 10:33 upstream 3aae9383f42f 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: workqueue lockup
2026/03/17 23:40 upstream f0caa1d49cc0 c8810548 .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
2026/02/27 07:18 upstream a75cb869a8cc a2f13f71 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root 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
2026/01/20 17:23 upstream 24d479d26b25 56f88057 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 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
2026/04/07 14:58 bpf d8a9a4b11a13 628666c6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/04/05 15:37 bpf d8a9a4b11a13 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/04/05 04:15 bpf d8a9a4b11a13 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/04/01 21:03 bpf e2d072d6a3d1 0285fe54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/03/31 17:31 bpf c369299895a5 aeea1c72 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/03/31 05:23 bpf c369299895a5 d0af506e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/03/29 17:58 bpf c369299895a5 356bdfc9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/03/26 16:31 bpf c369299895a5 fca8d360 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/03/24 22:07 bpf c369299895a5 74e70d19 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/03/24 02:54 bpf c369299895a5 baf8bf12 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/03/22 21:45 bpf 4a04d13576fd 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/03/17 19:12 bpf e06e6b800123 c01bca74 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce BUG: workqueue lockup
2026/02/05 03:19 net 7576bd9017e3 ea10c935 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce BUG: workqueue lockup
2026/04/08 16:46 bpf-next 5c662b1c1789 d9b7f621 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/07 21:32 bpf-next 8b648a517522 628666c6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/07 18:03 bpf-next 8b648a517522 628666c6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/06 20:49 bpf-next a1aa9ef47c29 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/06 06:48 bpf-next a1aa9ef47c29 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/06 04:19 bpf-next a1aa9ef47c29 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/05 12:08 bpf-next 6a14beefab45 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/05 06:56 bpf-next 6a14beefab45 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/04 18:45 bpf-next 6a14beefab45 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/04 16:48 bpf-next 6a14beefab45 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/04 00:09 bpf-next 6a14beefab45 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/03 19:27 bpf-next 6a14beefab45 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/03 16:29 bpf-next 6f6c794d0ff0 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/02 23:34 bpf-next e25cfbec0855 8b15d4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/02 23:26 bpf-next e25cfbec0855 8b15d4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/04/01 08:36 bpf-next 0eeb0094ba03 fb8b2c26 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/31 18:44 bpf-next 9eccdd38fb50 aeea1c72 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/30 06:34 bpf-next b6b5e0ebd429 356bdfc9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/30 04:28 bpf-next b6b5e0ebd429 356bdfc9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/29 00:31 bpf-next 5e961eebef30 356bdfc9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/25 05:09 bpf-next 9f7d8fa6817e 35e4ff71 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/23 23:16 bpf-next bb6da652c585 5e3db351 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/23 07:10 bpf-next bfec8e88ff60 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/22 11:28 bpf-next 61bc84608159 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/22 03:38 bpf-next 61bc84608159 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/21 23:35 bpf-next 61bc84608159 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/21 00:29 bpf-next 4b21ea502483 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/19 07:19 bpf-next 888329ba6c8b 0199f9a1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/18 13:24 bpf-next 77378dabb50f 0199f9a1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/18 11:23 bpf-next 77378dabb50f 0199f9a1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: workqueue lockup
2026/03/18 08:13 bpf-next 77378dabb50f c8810548 .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
2026/02/13 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
2026/02/01 16:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 59e4d31a0470 6b8752f2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-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
2026/04/04 08:37 upstream 631919fb12fe 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in do_fb_ioctl
2026/03/26 08:52 upstream d2a43e7f89da c6143aac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in do_fb_ioctl
2026/03/18 23:21 upstream a989fde763f4 0199f9a1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in do_fb_ioctl
2026/03/18 16:56 upstream a989fde763f4 0199f9a1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in do_fb_ioctl
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.