rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=bdd4/1/0x4000000000000000 softirq=47354/47357 fqs=0
rcu: 	(detected by 1, t=10502 jiffies, g=57389, q=299 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 8967 Comm: syz-executor Not tainted 6.14.0-rc3-next-20250218-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:variable_test_bit arch/x86/include/asm/bitops.h:227 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:239 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:hlock_class kernel/locking/lockdep.c:230 [inline]
RIP: 0010:mark_lock+0x9a/0x360 kernel/locking/lockdep.c:4729
Code: 28 84 c0 0f 85 3a 02 00 00 8b 1b 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 00 b0 56 94 be 08 00 00 00 e8 96 fc 8b 00 <48> 0f a3 1d 9e 29 b9 12 73 10 48 69 c3 c8 00 00 00 48 8d 98 c0 2e
RSP: 0018:ffffc90000007748 EFLAGS: 00000056
RAX: 0000000000000001 RBX: 0000000000000f90 RCX: ffffffff819d865a
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9456b1f0
RBP: 0000000000000004 R08: ffffffff9456b1f7 R09: 1ffffffff28ad63e
R10: dffffc0000000000 R11: fffffbfff28ad63f R12: ffff888063040ad4
R13: dffffc0000000000 R14: 0000000000000010 R15: ffff888063040bb8
FS:  00005555794cf500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f095fb70220 CR3: 0000000064e7a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __lock_acquire+0xc02/0x2100 kernel/locking/lockdep.c:5182
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xab/0xca0 net/sched/sch_taprio.c:924
 __run_hrtimer kernel/time/hrtimer.c:1801 [inline]
 __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1865
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1927
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:variable_ffs arch/x86/include/asm/bitops.h:321 [inline]
RIP: 0010:handle_softirqs+0x1ef/0x9b0 kernel/softirq.c:549
Code: 00 00 00 45 0f b7 e4 48 c7 c7 60 88 29 8c e8 a8 fe 89 0a 65 66 c7 05 66 48 80 7e 00 00 e8 a9 3c 46 00 fb 49 c7 c6 c0 b0 80 8e <b8> ff ff ff ff 41 0f bc c4 41 89 c7 41 ff c7 0f 84 0a 04 00 00 44
RSP: 0018:ffffc90000007e20 EFLAGS: 00000282
RAX: aac2b9ef85588b00 RBX: ffffc90000007ee0 RCX: ffffffff819d865a
RDX: dffffc0000000000 RSI: ffffffff8c2a9d00 RDI: ffffffff8c8156e0
RBP: ffffc90000007f50 R08: ffffffff9456b007 R09: 1ffffffff28ad600
R10: dffffc0000000000 R11: fffffbfff28ad601 R12: 0000000000000200
R13: 0000000000000000 R14: ffffffff8e80b0c0 R15: 1ffff1100c608000
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline]
 sysvec_call_function_single+0xa3/0xc0 arch/x86/kernel/smp.c:266
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:709
RIP: 0010:console_flush_all+0x996/0xeb0
Code: 48 21 c3 0f 85 16 02 00 00 e8 56 d2 20 00 4c 8b 7c 24 10 4d 85 f6 75 07 e8 47 d2 20 00 eb 06 e8 40 d2 20 00 fb 48 8b 5c 24 18 <48> 8b 44 24 30 42 80 3c 28 00 74 08 48 89 df e8 c6 53 88 00 4c 8b
RSP: 0018:ffffc90002f4e7c0 EFLAGS: 00000293
RAX: ffffffff81a12ca0 RBX: ffffffff8f393a58 RCX: ffff888063040000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002f4e970 R08: ffffffff81a12c77 R09: 1ffffffff28ad600
R10: dffffc0000000000 R11: fffffbfff28ad601 R12: ffffffff8f393a00
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffc90002f4e9c0
 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
 console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309
 vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432
 _printk+0xd5/0x120 kernel/printk/printk.c:2457
 f2fs_printk+0x3e1/0x470
 f2fs_write_end_io+0x674/0x9a0 fs/f2fs/data.c:347
 __submit_merged_bio+0x2a9/0x710 fs/f2fs/data.c:537
 __f2fs_submit_merged_write fs/f2fs/data.c:633 [inline]
 __submit_merged_write_cond fs/f2fs/data.c:655 [inline]
 f2fs_submit_merged_write_cond+0x28a/0x360 fs/f2fs/data.c:672
 f2fs_write_cache_pages fs/f2fs/data.c:3228 [inline]
 __f2fs_write_data_pages fs/f2fs/data.c:3313 [inline]
 f2fs_write_data_pages+0x2c5e/0x3670 fs/f2fs/data.c:3340
 do_writepages+0x35f/0x880 mm/page-writeback.c:2687
 filemap_fdatawrite_wbc mm/filemap.c:387 [inline]
 __filemap_fdatawrite_range mm/filemap.c:420 [inline]
 __filemap_fdatawrite mm/filemap.c:426 [inline]
 filemap_fdatawrite+0x1f3/0x2a0 mm/filemap.c:431
 f2fs_sync_dirty_inodes+0x348/0x860 fs/f2fs/checkpoint.c:1124
 block_operations fs/f2fs/checkpoint.c:1264 [inline]
 f2fs_write_checkpoint+0x8af/0x1de0 fs/f2fs/checkpoint.c:1668
 kill_f2fs_super+0x2b6/0x6d0 fs/f2fs/super.c:4990
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1424
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6edc78e117
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff856f62f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f6edc80e08c RCX: 00007f6edc78e117
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff856f63b0
RBP: 00007fff856f63b0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff856f7440
R13: 00007f6edc80e08c R14: 000000000005d981 R15: 00007fff856f7480
 </TASK>
rcu: rcu_preempt kthread starved for 10502 jiffies! g57389 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:25720 pid:15    tgid:15    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5373 [inline]
 __schedule+0x190e/0x4c90 kernel/sched/core.c:6760
 __schedule_loop kernel/sched/core.c:6837 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6852
 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2044
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2246
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 12239 Comm: syz.4.2177 Not tainted 6.14.0-rc3-next-20250218-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:216
Code: 8b 3d 04 35 94 0c 48 89 de 5b e9 a3 30 5c 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 80 d6 03 00 65 8b 15 90 d7 41 7e 81 e2 00 01 ff 00
RSP: 0018:ffffc900047ef878 EFLAGS: 00000202
RAX: ffffffff81b62cf5 RBX: 1ffff110170c8c91 RCX: ffff88802a811e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900047efa80 R08: ffffffff81b62cc0 R09: 1ffffffff28ad600
R10: dffffc0000000000 R11: fffffbfff28ad601 R12: ffff8880b873fb48
R13: ffff8880b8646488 R14: ffff8880b873fb40 R15: 0000000000000000
FS:  000055555ef64500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3fa188 CR3: 0000000055358000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 csd_lock_wait kernel/smp.c:340 [inline]
 smp_call_function_many_cond+0x1bc5/0x2d30 kernel/smp.c:885
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1052
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2152 [inline]
 text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2362
 text_poke_flush arch/x86/kernel/alternative.c:2553 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2560
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_disable_cpuslocked+0xd2/0x1c0 kernel/jump_label.c:240
 static_key_disable+0x1a/0x20 kernel/jump_label.c:248
 tracepoint_remove_func kernel/tracepoint.c:370 [inline]
 tracepoint_probe_unregister+0x83c/0xa10 kernel/tracepoint.c:504
 bpf_raw_tp_link_release+0x45/0x70 kernel/bpf/syscall.c:3623
 bpf_link_free+0xfd/0x3a0 kernel/bpf/syscall.c:3145
 bpf_link_put_direct kernel/bpf/syscall.c:3188 [inline]
 bpf_link_release+0x78/0x90 kernel/bpf/syscall.c:3195
 __fput+0x3e9/0x9f0 fs/file_table.c:464
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f51fc78cde9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd6e12e0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000005da14 RCX: 00007f51fc78cde9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f51fc9a7ba0 R08: 0000000000000001 R09: 000000046e12e3df
R10: 00007f51fc600000 R11: 0000000000000246 R12: 00007f51fc9a5fac
R13: 00007f51fc9a5fa0 R14: ffffffffffffffff R15: 00007ffd6e12e200
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [syz.4.2177:12239]
Modules linked in:
irq event stamp: 1067044
hardirqs last  enabled at (1067043): [<ffffffff8c0d7dd3>] irqentry_exit+0x63/0x90 kernel/entry/common.c:357
hardirqs last disabled at (1067044): [<ffffffff8c0d596e>] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049
softirqs last  enabled at (1067042): [<ffffffff81839867>] __do_softirq kernel/softirq.c:595 [inline]
softirqs last  enabled at (1067042): [<ffffffff81839867>] invoke_softirq kernel/softirq.c:435 [inline]
softirqs last  enabled at (1067042): [<ffffffff81839867>] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
softirqs last disabled at (1067021): [<ffffffff81839867>] __do_softirq kernel/softirq.c:595 [inline]
softirqs last disabled at (1067021): [<ffffffff81839867>] invoke_softirq kernel/softirq.c:435 [inline]
softirqs last disabled at (1067021): [<ffffffff81839867>] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
CPU: 1 UID: 0 PID: 12239 Comm: syz.4.2177 Not tainted 6.14.0-rc3-next-20250218-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x1ba4/0x2d30 kernel/smp.c:885
Code: 03 84 c0 75 7e 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 60 d6 0b 00 41 83 e4 01 4c 8b 64 24 68 75 07 e8 10 d2 0b 00 eb 41 f3 90 <48> b8 00 00 00 00 00 fc ff df 0f b6 04 03 84 c0 75 11 41 f7 45 00
RSP: 0018:ffffc900047ef880 EFLAGS: 00000293
RAX: ffffffff81b62cf5 RBX: 1ffff110170c8c91 RCX: ffff88802a811e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900047efa80 R08: ffffffff81b62cc0 R09: 1ffffffff28ad600
R10: dffffc0000000000 R11: fffffbfff28ad601 R12: ffff8880b873fb48
R13: ffff8880b8646488 R14: ffff8880b873fb40 R15: 0000000000000000
FS:  000055555ef64500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3fa188 CR3: 0000000055358000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1052
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2152 [inline]
 text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2362
 text_poke_flush arch/x86/kernel/alternative.c:2553 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2560
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_disable_cpuslocked+0xd2/0x1c0 kernel/jump_label.c:240
 static_key_disable+0x1a/0x20 kernel/jump_label.c:248
 tracepoint_remove_func kernel/tracepoint.c:370 [inline]
 tracepoint_probe_unregister+0x83c/0xa10 kernel/tracepoint.c:504
 bpf_raw_tp_link_release+0x45/0x70 kernel/bpf/syscall.c:3623
 bpf_link_free+0xfd/0x3a0 kernel/bpf/syscall.c:3145
 bpf_link_put_direct kernel/bpf/syscall.c:3188 [inline]
 bpf_link_release+0x78/0x90 kernel/bpf/syscall.c:3195
 __fput+0x3e9/0x9f0 fs/file_table.c:464
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f51fc78cde9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd6e12e0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000005da14 RCX: 00007f51fc78cde9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f51fc9a7ba0 R08: 0000000000000001 R09: 000000046e12e3df
R10: 00007f51fc600000 R11: 0000000000000246 R12: 00007f51fc9a5fac
R13: 00007f51fc9a5fa0 R14: ffffffffffffffff R15: 00007ffd6e12e200
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 8967 Comm: syz-executor Not tainted 6.14.0-rc3-next-20250218-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4878 [inline]
RIP: 0010:__lock_acquire+0x958/0x2100 kernel/locking/lockdep.c:5178
Code: 00 00 00 00 00 fc ff df 90 0f 0b 90 90 90 31 db 48 8d ab c4 00 00 00 48 89 e8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 91 00 00 00 <0f> b6 6d 00 40 84 ed 74 32 0f b6 44 24 28 40 0f b6 cd 40 38 e8 0f
RSP: 0018:ffffc90000007670 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff93ee8640 RCX: ffffffff819d1c52
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff9456b008
RBP: ffffffff93ee8704 R08: ffffffff9456b00f R09: 1ffffffff28ad601
R10: dffffc0000000000 R11: fffffbfff28ad602 R12: 0000000000000005
R13: ffff888063040bd8 R14: 0000000000000005 R15: ffff888063040bd8
FS:  00005555794cf500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f095fb70220 CR3: 0000000064e7a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
 debug_object_activate+0x17f/0x580 lib/debugobjects.c:818
 debug_hrtimer_activate kernel/time/hrtimer.c:455 [inline]
 debug_activate kernel/time/hrtimer.c:496 [inline]
 enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1100
 __run_hrtimer kernel/time/hrtimer.c:1818 [inline]
 __hrtimer_run_queues+0x6cb/0xd30 kernel/time/hrtimer.c:1865
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1927
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:variable_ffs arch/x86/include/asm/bitops.h:321 [inline]
RIP: 0010:handle_softirqs+0x1ef/0x9b0 kernel/softirq.c:549
Code: 00 00 00 45 0f b7 e4 48 c7 c7 60 88 29 8c e8 a8 fe 89 0a 65 66 c7 05 66 48 80 7e 00 00 e8 a9 3c 46 00 fb 49 c7 c6 c0 b0 80 8e <b8> ff ff ff ff 41 0f bc c4 41 89 c7 41 ff c7 0f 84 0a 04 00 00 44
RSP: 0018:ffffc90000007e20 EFLAGS: 00000282
RAX: aac2b9ef85588b00 RBX: ffffc90000007ee0 RCX: ffffffff819d865a
RDX: dffffc0000000000 RSI: ffffffff8c2a9d00 RDI: ffffffff8c8156e0
RBP: ffffc90000007f50 R08: ffffffff9456b007 R09: 1ffffffff28ad600
R10: dffffc0000000000 R11: fffffbfff28ad601 R12: 0000000000000200
R13: 0000000000000000 R14: ffffffff8e80b0c0 R15: 1ffff1100c608000
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline]
 sysvec_call_function_single+0xa3/0xc0 arch/x86/kernel/smp.c:266
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:709
RIP: 0010:console_flush_all+0x996/0xeb0
Code: 48 21 c3 0f 85 16 02 00 00 e8 56 d2 20 00 4c 8b 7c 24 10 4d 85 f6 75 07 e8 47 d2 20 00 eb 06 e8 40 d2 20 00 fb 48 8b 5c 24 18 <48> 8b 44 24 30 42 80 3c 28 00 74 08 48 89 df e8 c6 53 88 00 4c 8b
RSP: 0018:ffffc90002f4e7c0 EFLAGS: 00000293
RAX: ffffffff81a12ca0 RBX: ffffffff8f393a58 RCX: ffff888063040000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002f4e970 R08: ffffffff81a12c77 R09: 1ffffffff28ad600
R10: dffffc0000000000 R11: fffffbfff28ad601 R12: ffffffff8f393a00
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffc90002f4e9c0
 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
 console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309
 vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432
 _printk+0xd5/0x120 kernel/printk/printk.c:2457
 f2fs_printk+0x3e1/0x470
 f2fs_write_end_io+0x674/0x9a0 fs/f2fs/data.c:347
 __submit_merged_bio+0x2a9/0x710 fs/f2fs/data.c:537
 __f2fs_submit_merged_write fs/f2fs/data.c:633 [inline]
 __submit_merged_write_cond fs/f2fs/data.c:655 [inline]
 f2fs_submit_merged_write_cond+0x28a/0x360 fs/f2fs/data.c:672
 f2fs_write_cache_pages fs/f2fs/data.c:3228 [inline]
 __f2fs_write_data_pages fs/f2fs/data.c:3313 [inline]
 f2fs_write_data_pages+0x2c5e/0x3670 fs/f2fs/data.c:3340
 do_writepages+0x35f/0x880 mm/page-writeback.c:2687
 filemap_fdatawrite_wbc mm/filemap.c:387 [inline]
 __filemap_fdatawrite_range mm/filemap.c:420 [inline]
 __filemap_fdatawrite mm/filemap.c:426 [inline]
 filemap_fdatawrite+0x1f3/0x2a0 mm/filemap.c:431
 f2fs_sync_dirty_inodes+0x348/0x860 fs/f2fs/checkpoint.c:1124
 block_operations fs/f2fs/checkpoint.c:1264 [inline]
 f2fs_write_checkpoint+0x8af/0x1de0 fs/f2fs/checkpoint.c:1668
 kill_f2fs_super+0x2b6/0x6d0 fs/f2fs/super.c:4990
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1424
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6edc78e117
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff856f62f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f6edc80e08c RCX: 00007f6edc78e117
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff856f63b0
RBP: 00007fff856f63b0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff856f7440
R13: 00007f6edc80e08c R14: 000000000005d981 R15: 00007fff856f7480
 </TASK>