Title | Replies (including bot) | Last reply |
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[syzbot] [efi?] BUG: soft lockup in sync_hw_clock | 0 (1) | 2024/04/21 14:58 |
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[syzbot] [efi?] BUG: soft lockup in sync_hw_clock | 0 (1) | 2024/04/21 14:58 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: rcu detected stall in sync_hw_clock (2) rtc | 2 | 96d | 107d | 0/28 | auto-obsoleted due to no activity on 2025/02/13 00:09 | |||
linux-5.15 | INFO: rcu detected stall in sync_hw_clock origin:upstream | C | 2 | 7d06h | 411d | 0/3 | upstream: reported C repro on 2024/01/04 12:38 | ||
upstream | INFO: rcu detected stall in sync_hw_clock kernel | 3 | 766d | 815d | 0/28 | auto-obsoleted due to no activity on 2023/04/21 23:58 | |||
linux-6.1 | INFO: rcu detected stall in sync_hw_clock | 2 | 36d | 39d | 0/3 | upstream: reported on 2025/01/10 04:32 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/07/11 11:08 | 26m | retest repro | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | OK log | |
2024/05/01 19:05 | 21m | retest repro | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | report log |
watchdog: BUG: soft lockup - CPU#0 stuck for 27s! [kworker/u8:9:2072] Modules linked in: irq event stamp: 3823076 hardirqs last enabled at (3823075): [<ffff80008ae6ec90>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline] hardirqs last enabled at (3823075): [<ffff80008ae6ec90>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95 hardirqs last disabled at (3823076): [<ffff80008ae6c87c>] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline] hardirqs last disabled at (3823076): [<ffff80008ae6c87c>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551 softirqs last enabled at (3823050): [<ffff8000800218e4>] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (3823050): [<ffff8000800218e4>] __do_softirq+0xb10/0xd2c kernel/softirq.c:583 softirqs last disabled at (3823039): [<ffff80008002ad34>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 CPU: 0 PID: 2072 Comm: kworker/u8:9 Not tainted 6.9.0-rc3-syzkaller-gb5d2afe8745b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events_freezable_pwr_efficient sync_hw_clock (events_freezable_pwr_ef) pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : finish_lock_switch+0xc0/0x1e4 kernel/sched/core.c:5164 lr : raw_spin_rq_unlock_irq kernel/sched/sched.h:1397 [inline] lr : finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5163 sp : ffff80009c8c7290 x29: ffff80009c8c7290 x28: 1fffe000367bc6df x27: ffff80008ee81218 x26: ffff80008ee80664 x25: 1fffe000367bc6f1 x24: ffff80008ee80000 x23: dfff800000000000 x22: ffff0001b3de3788 x21: ffff0001b3de2c98 x20: 0000000000000000 x19: ffff0001b3de2c80 x18: 1fffe000367b9996 x17: ffff80008ee7d000 x16: ffff800080333fec x15: 0000000000000001 x14: 1fffe000367bc590 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 0000000000000000 x8 : 00000000003a55e1 x7 : ffff8000802aabc8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff80008afdfb40 x0 : ffff800124ffb000 Call trace: __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] arch_local_irq_enable arch/arm64/include/asm/irqflags.h:48 [inline] raw_spin_rq_unlock_irq kernel/sched/sched.h:1397 [inline] finish_lock_switch+0xc0/0x1e4 kernel/sched/core.c:5163 finish_task_switch+0x120/0x614 kernel/sched/core.c:5281 context_switch kernel/sched/core.c:5412 [inline] __schedule+0x14c0/0x24ec kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0xbc/0x238 kernel/sched/core.c:6838 schedule_timeout+0xb8/0x348 kernel/time/timer.c:2558 do_wait_for_common+0x30c/0x468 kernel/sched/completion.c:95 __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x48/0x60 kernel/sched/completion.c:148 __efi_queue_work+0x124/0x1a8 drivers/firmware/efi/runtime-wrappers.c:337 virt_efi_set_time+0x74/0xb4 drivers/firmware/efi/runtime-wrappers.c:364 efi_set_time+0x208/0x430 drivers/rtc/rtc-efi.c:184 rtc_set_time+0x43c/0x888 drivers/rtc/interface.c:158 update_rtc kernel/time/ntp.c:597 [inline] sync_hw_clock+0x2e8/0x480 kernel/time/ntp.c:656 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3416 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/04/17 14:55 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | b5d2afe8745b | 18f6e127 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | BUG: soft lockup in sync_hw_clock |