Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] [ocfs2?] INFO: task hung in flush_delayed_work | 0 (1) | 2024/11/06 08:07 |
syzbot |
sign-in | mailing list | source | docs |
Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] [ocfs2?] INFO: task hung in flush_delayed_work | 0 (1) | 2024/11/06 08:07 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-5.15 | INFO: task hung in flush_delayed_work | 1 | 98d | 98d | 0/3 | upstream: reported on 2024/08/29 07:17 | |||
linux-6.1 | INFO: task hung in flush_delayed_work | 1 | 42d | 42d | 0/3 | upstream: reported on 2024/10/23 15:23 |
INFO: task syz-executor186:5865 blocked for more than 143 seconds. Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor186 state:D stack:24080 pid:5865 tgid:5865 ppid:5860 flags:0x00004002 Call Trace: <TASK> context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6782 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 __flush_work+0xa37/0xc50 kernel/workqueue.c:4217 flush_work kernel/workqueue.c:4238 [inline] flush_delayed_work+0x169/0x1c0 kernel/workqueue.c:4260 invalidate_dquots fs/quota/dquot.c:577 [inline] dquot_disable+0x7a7/0x1cd0 fs/quota/dquot.c:2295 ocfs2_disable_quotas+0xf3/0x210 fs/ocfs2/super.c:963 ocfs2_dismount_volume+0x1ad/0x8f0 fs/ocfs2/super.c:1870 generic_shutdown_super+0x13b/0x2d0 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1710 deactivate_locked_super+0xc6/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x251/0x310 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xa2f/0x28e0 kernel/exit.c:939 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe7b944e939 RSP: 002b:00007ffd2b477288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe7b944e939 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007fe7b94cf390 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000246 R12: 00007fe7b94cf390 R13: 0000000000000000 R14: 00007fe7b94d0100 R15: 00007fe7b941c830 </TASK> INFO: task syz-executor186:5866 blocked for more than 144 seconds. Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor186 state:D stack:23872 pid:5866 tgid:5866 ppid:5859 flags:0x00004002 Call Trace: <TASK> context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6782 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 __flush_work+0xa37/0xc50 kernel/workqueue.c:4217 flush_work kernel/workqueue.c:4238 [inline] flush_delayed_work+0x169/0x1c0 kernel/workqueue.c:4260 invalidate_dquots fs/quota/dquot.c:577 [inline] dquot_disable+0x7a7/0x1cd0 fs/quota/dquot.c:2295 ocfs2_disable_quotas+0xf3/0x210 fs/ocfs2/super.c:963 ocfs2_dismount_volume+0x1ad/0x8f0 fs/ocfs2/super.c:1870 generic_shutdown_super+0x13b/0x2d0 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1710 deactivate_locked_super+0xc6/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x251/0x310 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xa2f/0x28e0 kernel/exit.c:939 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe7b944e939 RSP: 002b:00007ffd2b477288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe7b944e939 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007fe7b94cf390 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000246 R12: 00007fe7b94cf390 R13: 0000000000000000 R14: 00007fe7b94d0100 R15: 00007fe7b941c830 </TASK> INFO: task syz-executor186:5867 blocked for more than 145 seconds. Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor186 state:D stack:24432 pid:5867 tgid:5867 ppid:5862 flags:0x00004002 Call Trace: <TASK> context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6782 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 __flush_work+0xa37/0xc50 kernel/workqueue.c:4217 flush_work kernel/workqueue.c:4238 [inline] flush_delayed_work+0x169/0x1c0 kernel/workqueue.c:4260 invalidate_dquots fs/quota/dquot.c:577 [inline] dquot_disable+0x7a7/0x1cd0 fs/quota/dquot.c:2295 ocfs2_disable_quotas+0xf3/0x210 fs/ocfs2/super.c:963 ocfs2_dismount_volume+0x1ad/0x8f0 fs/ocfs2/super.c:1870 generic_shutdown_super+0x13b/0x2d0 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1710 deactivate_locked_super+0xc6/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x251/0x310 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xa2f/0x28e0 kernel/exit.c:939 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe7b944e939 RSP: 002b:00007ffd2b477288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe7b944e939 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007fe7b94cf390 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000246 R12: 00007fe7b94cf390 R13: 0000000000000000 R14: 00007fe7b94d0100 R15: 00007fe7b941c830 </TASK> INFO: task syz-executor186:5868 blocked for more than 146 seconds. Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor186 state:D stack:23584 pid:5868 tgid:5868 ppid:5861 flags:0x00004002 Call Trace: <TASK> context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6782 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 __flush_work+0xa37/0xc50 kernel/workqueue.c:4217 flush_work kernel/workqueue.c:4238 [inline] flush_delayed_work+0x169/0x1c0 kernel/workqueue.c:4260 invalidate_dquots fs/quota/dquot.c:577 [inline] dquot_disable+0x7a7/0x1cd0 fs/quota/dquot.c:2295 ocfs2_disable_quotas+0xf3/0x210 fs/ocfs2/super.c:963 ocfs2_dismount_volume+0x1ad/0x8f0 fs/ocfs2/super.c:1870 generic_shutdown_super+0x13b/0x2d0 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1710 deactivate_locked_super+0xc6/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x251/0x310 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xa2f/0x28e0 kernel/exit.c:939 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe7b944e939 RSP: 002b:00007ffd2b477288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe7b944e939 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007fe7b94cf390 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000246 R12: 00007fe7b94cf390 R13: 0000000000000000 R14: 00007fe7b94d0100 R15: 00007fe7b941c830 </TASK> INFO: task syz-executor186:5869 blocked for more than 147 seconds. Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor186 state:D stack:23584 pid:5869 tgid:5869 ppid:5863 flags:0x00004002 Call Trace: <TASK> context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6782 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 __flush_work+0xa37/0xc50 kernel/workqueue.c:4217 flush_work kernel/workqueue.c:4238 [inline] flush_delayed_work+0x169/0x1c0 kernel/workqueue.c:4260 invalidate_dquots fs/quota/dquot.c:577 [inline] dquot_disable+0x7a7/0x1cd0 fs/quota/dquot.c:2295 ocfs2_disable_quotas+0xf3/0x210 fs/ocfs2/super.c:963 ocfs2_dismount_volume+0x1ad/0x8f0 fs/ocfs2/super.c:1870 generic_shutdown_super+0x13b/0x2d0 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1710 deactivate_locked_super+0xc6/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x251/0x310 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xa2f/0x28e0 kernel/exit.c:939 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe7b944e939 RSP: 002b:00007ffd2b477288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe7b944e939 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007fe7b94cf390 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000246 R12: 00007fe7b94cf390 R13: 0000000000000000 R14: 00007fe7b94d0100 R15: 00007fe7b941c830 </TASK> INFO: task syz-executor186:5870 blocked for more than 149 seconds. Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor186 state:D stack:23192 pid:5870 tgid:5870 ppid:5864 flags:0x00004002 Call Trace: <TASK> context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6690 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6782 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2591 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 __flush_work+0xa37/0xc50 kernel/workqueue.c:4217 flush_work kernel/workqueue.c:4238 [inline] flush_delayed_work+0x169/0x1c0 kernel/workqueue.c:4260 invalidate_dquots fs/quota/dquot.c:577 [inline] dquot_disable+0x7a7/0x1cd0 fs/quota/dquot.c:2295 ocfs2_disable_quotas+0x1bc/0x210 fs/ocfs2/super.c:963 ocfs2_dismount_volume+0x1ad/0x8f0 fs/ocfs2/super.c:1870 generic_shutdown_super+0x13b/0x2d0 fs/super.c:642 kill_block_super+0x44/0x90 fs/super.c:1710 deactivate_locked_super+0xc6/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x251/0x310 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xa2f/0x28e0 kernel/exit.c:939 do_group_exit+0x207/0x2c0 kernel/exit.c:1088 __do_sys_exit_group kernel/exit.c:1099 [inline] __se_sys_exit_group kernel/exit.c:1097 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1097 x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe7b944e939 RSP: 002b:00007ffd2b477288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe7b944e939 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 00007fe7b94cf390 R08: ffffffffffffffb8 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000246 R12: 00007fe7b94cf390 R13: 0000000000000000 R14: 00007fe7b94d0100 R15: 00007fe7b941c830 </TASK> Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6720 5 locks held by kworker/u8:2/33: #0: ffff8880b863ea98 (&rq->__lock){-.-.}-{2:2} , at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 #1: ffff8880b8628948 (&per_cpu_ptr(group->pcpu, cpu)->seq ){-.-.}-{0:0} , at: psi_task_switch+0x41d/0x7a0 kernel/sched/psi.c:987 #2: ffff8880b862a718 (&base->lock ){-.-.}-{2:2} , at: lock_timer_base+0x112/0x240 kernel/time/timer.c:1051 #3: ffffffff8e9eda48 (jump_label_mutex){+.+.}-{3:3} , at: jump_label_lock kernel/jump_label.c:27 [inline] , at: static_key_enable_cpuslocked+0xd7/0x260 kernel/jump_label.c:207 #4: ffffffff8e7e6f48 ( text_mutex ){+.+.}-{3:3} , at: arch_jump_label_transform_apply+0x17/0x30 arch/x86/kernel/jump_label.c:145 10 locks held by kworker/u8:7/1125: 2 locks held by getty/5598: #0: ffff8880351d20a0 ( &tty->ldisc_sem ){++++}-{0:0} , at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc90002f062f0 ( &ldata->atomic_read_lock ){+.+.}-{3:3} , at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211 1 lock held by syz-executor186/5865: #0: ffff888033d4c0e0 (&type->s_umount_key #47){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #47){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #47){+.+.}-{3:3}, at: deactivate_super+0xb5/0xf0 fs/super.c:505 1 lock held by syz-executor186/5866: #0: ffff88807d8ca0e0 (&type->s_umount_key#47){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] (&type->s_umount_key#47){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] (&type->s_umount_key#47){+.+.}-{3:3}, at: deactivate_super+0xb5/0xf0 fs/super.c:505 1 lock held by syz-executor186/5867: #0: ffff8880781be0e0 (&type->s_umount_key#47){+.+.}-{3:3} , at: __super_lock fs/super.c:56 [inline] , at: __super_lock_excl fs/super.c:71 [inline] , at: deactivate_super+0xb5/0xf0 fs/super.c:505 1 lock held by syz-executor186/5868: #0: ffff88807df000e0 (&type->s_umount_key#47){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] (&type->s_umount_key#47){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] (&type->s_umount_key#47){+.+.}-{3:3}, at: deactivate_super+0xb5/0xf0 fs/super.c:505 1 lock held by syz-executor186/5869: #0: ffff8880775e20e0 (&type->s_umount_key#47){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff8880775e20e0 (&type->s_umount_key#47){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff8880775e20e0 (&type->s_umount_key#47){+.+.}-{3:3}, at: deactivate_super+0xb5/0xf0 fs/super.c:505 1 lock held by syz-executor186/5870: #0: ffff888031f9a0e0 (&type->s_umount_key#47){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff888031f9a0e0 (&type->s_umount_key#47){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff888031f9a0e0 (&type->s_umount_key#47){+.+.}-{3:3}, at: deactivate_super+0xb5/0xf0 fs/super.c:505 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xff4/0x1040 kernel/hung_task.c:379 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 1125 Comm: kworker/u8:7 Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound quota_release_workfn RIP: 0010:trace_hardirqs_on+0x0/0x40 kernel/trace/trace_preemptirq.c:54 Code: ff ff 90 0f 0b 90 e9 77 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 65 8b 05 6d b8 66 7e 85 c0 74 14 48 8b 3c 24 e8 b8 fe RSP: 0018:ffffc90000a18ca8 EFLAGS: 00000086 RAX: 0000000000000001 RBX: ffff8880b872a700 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880b872a700 RBP: ffffc90000a18e10 R08: ffff8880b872a703 R09: 1ffff110170e54e0 R10: dffffc0000000000 R11: ffffed10170e54e1 R12: ffff8880b872a748 R13: ffffc90000a18d60 R14: dffffc0000000000 R15: 00000000fffffd10 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d3cad44600 CR3: 0000000034136000 CR4: 0000000000350ef0 Call Trace: <NMI> </NMI> <IRQ> __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] _raw_spin_unlock_irq+0x23/0x50 kernel/locking/spinlock.c:202 __run_timer_base+0x1c0/0x8e0 kernel/time/timer.c:2431 run_timer_base kernel/time/timer.c:2439 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449 handle_softirqs+0x2c7/0x980 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:console_trylock_spinning kernel/printk/printk.c:2042 [inline] RIP: 0010:vprintk_emit+0x700/0xa10 kernel/printk/printk.c:2406 Code: 00 e8 f4 c2 20 00 4c 8d bc 24 a0 00 00 00 4d 85 e4 75 07 e8 e2 c2 20 00 eb 06 e8 db c2 20 00 fb 49 bc 00 00 00 00 00 fc ff df <48> c7 c7 80 33 81 8e 31 f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 RSP: 0018:ffffc90004897600 EFLAGS: 00000293 RAX: ffffffff81741785 RBX: 0000000000000000 RCX: ffff8880275c5a00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90004897710 R08: ffffffff8174175e R09: 1ffffffff2859b1a R10: dffffc0000000000 R11: fffffbfff2859b1b R12: dffffc0000000000 R13: 1ffff92000912ec4 R14: ffffffff817415c0 R15: ffffc900048976a0 _printk+0xd5/0x120 kernel/printk/printk.c:2432 __mlog_printk+0x281/0x2b0 fs/ocfs2/cluster/masklog.c:77 ocfs2_release_dquot+0x8a2/0xc40 fs/ocfs2/quota_global.c:765 quota_release_workfn+0x3a1/0x650 fs/quota/dquot.c:839 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 3.031 msecs
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/11/06 08:06 | upstream | 2e1b3cc9d7f7 | 3a465482 | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci-upstream-kasan-gce-root | INFO: task hung in flush_delayed_work | |
2024/11/30 13:19 | upstream | 2ba9f676d0a2 | 68914665 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/11/30 09:30 | upstream | 2ba9f676d0a2 | 68914665 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/11/28 17:24 | upstream | b86545e02e8c | 5df23865 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/27 08:03 | upstream | 798bb342e041 | 52b38cc1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/24 04:12 | upstream | 9f16d5e6f220 | 68da6d95 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/11/23 17:36 | upstream | 228a1157fb9f | 68da6d95 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/20 09:46 | upstream | bf9aa14fc523 | 7d02db5a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/20 02:37 | upstream | a5c93bfec0be | 7d02db5a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/11/14 12:50 | upstream | 0a9b9d17f3a7 | 77f3eeb7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/11/14 04:29 | upstream | f1b785f4c787 | a8c99394 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/11/13 04:01 | upstream | 3022e9d00ebe | 62026c85 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/12 12:22 | upstream | 2d5404caa8c7 | 75bb1b32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/12 12:20 | upstream | 2d5404caa8c7 | 75bb1b32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/12 04:45 | upstream | 2d5404caa8c7 | 75bb1b32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/11 23:40 | upstream | 2d5404caa8c7 | 0c4b1325 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/11 21:33 | upstream | 2d5404caa8c7 | 0c4b1325 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/10 16:53 | upstream | de2f378f2b77 | 6b856513 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/07 21:07 | upstream | ff7afaeca1a1 | 867e44df | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/06 15:12 | upstream | 2e1b3cc9d7f7 | 3a465482 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/11/06 02:13 | upstream | 2e1b3cc9d7f7 | 3a465482 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/10/24 18:58 | upstream | c2ee9f594da8 | 0d144d1a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/24 06:29 | upstream | c2ee9f594da8 | 15fa2979 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/24 01:05 | upstream | c2ee9f594da8 | 15fa2979 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/23 23:46 | upstream | c2ee9f594da8 | 15fa2979 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/23 21:02 | upstream | c2ee9f594da8 | 15fa2979 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/23 04:32 | upstream | c2ee9f594da8 | 15fa2979 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/22 20:26 | upstream | c2ee9f594da8 | a93682b3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/22 05:44 | upstream | c2ee9f594da8 | a93682b3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/10/21 14:07 | upstream | 42f7652d3eb5 | a93682b3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/10/21 01:09 | upstream | 715ca9dd687f | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/19 18:26 | upstream | 3d5ad2d4eca3 | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/19 07:52 | upstream | b04ae0f45168 | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/19 00:05 | upstream | b04ae0f45168 | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/18 23:56 | upstream | b04ae0f45168 | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/18 04:55 | upstream | 6efbea77b390 | 666f77ed | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/17 17:15 | upstream | c964ced77262 | 666f77ed | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/17 10:20 | upstream | c964ced77262 | 666f77ed | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/16 09:07 | upstream | 2f87d0916ce0 | bde2d81c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/16 03:17 | upstream | 2f87d0916ce0 | bde2d81c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/16 01:49 | upstream | 2f87d0916ce0 | bde2d81c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/15 01:29 | upstream | eca631b8fe80 | b01b6661 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/14 17:35 | upstream | 6485cf5ea253 | 084d8178 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/08 13:56 | upstream | 87d6aab2389e | 402f1df0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/10/04 23:12 | upstream | 360c1f1f24c6 | d7906eff | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | INFO: task hung in flush_delayed_work | ||
2024/07/26 07:19 | upstream | 1722389b0d86 | 3f86dfed | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/07/20 08:15 | upstream | d7e78951a8b8 | b88348e9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in flush_delayed_work | ||
2024/06/13 07:14 | upstream | cea2a26553ac | 2aa5052f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce | INFO: task hung in flush_delayed_work | ||
2024/06/23 20:08 | upstream | 7c16f0a4ed1c | edc5149a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-386 | INFO: task hung in flush_delayed_work | ||
2024/12/04 10:48 | linux-next | c245a7a79602 | b50eb251 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/11/21 16:34 | linux-next | ac24e26aa08f | 4b25d554 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/11/20 12:54 | linux-next | ac24e26aa08f | 7d02db5a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in flush_delayed_work | ||
2024/11/16 09:00 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | 887407160d72 | cfe3a04a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | INFO: task hung in flush_delayed_work |