watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [kworker/u4:2:179]
Modules linked in:
CPU: 0 PID: 179 Comm: kworker/u4:2 Not tainted 5.4.276-syzkaller-04917-g58de09405d1e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__read_once_size include/linux/compiler.h:268 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:109 [inline]
RIP: 0010:smp_call_function_single+0x235/0x4a0 kernel/smp.c:311
Code: 0f 85 df 01 00 00 44 8b 74 24 58 44 89 f6 83 e6 01 31 ff e8 3d b0 0a 00 41 83 e6 01 75 0a e8 42 ad 0a 00 e9 f4 00 00 00 f3 90 <42> 0f b6 04 2b 84 c0 75 15 f7 44 24 58 01 00 00 00 0f 84 d6 00 00
RSP: 0018:ffff8881e4e1f8a0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffffffff81598be1 RBX: 1ffff1103c9c3f1f RCX: ffff8881e90b8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8881e4e1f990 R08: ffffffff81598bb3 R09: ffffed103edeb189
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103c9c3f18
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2f7bd08fa0 CR3: 000000000580e000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 smp_call_function_many+0x6fe/0x9b0 kernel/smp.c:451
 smp_call_function kernel/smp.c:509 [inline]
 on_each_cpu+0xa5/0x1a0 kernel/smp.c:616
 text_poke_bp_batch+0x11a/0x2b0 arch/x86/kernel/alternative.c:1051
 arch_jump_label_transform_apply+0x27/0x40 arch/x86/kernel/jump_label.c:167
 static_key_enable_cpuslocked+0x12c/0x240 kernel/jump_label.c:177
 static_key_enable+0x16/0x20 kernel/jump_label.c:190
 toggle_allocation_gate+0xb1/0x240 mm/kfence/core.c:624
 process_one_work+0x765/0xd20 kernel/workqueue.c:2290
 worker_thread+0xaef/0x1470 kernel/workqueue.c:2436
 kthread+0x2da/0x360 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 841 Comm: syz-executor.3 Not tainted 5.4.276-syzkaller-04917-g58de09405d1e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:snd_timer_interrupt+0xe05/0x1090 sound/core/timer.c:879
Code: 8b 44 24 30 42 0f b6 04 20 84 c0 0f 85 1d 02 00 00 80 4d 00 01 42 0f b6 04 23 84 c0 0f 85 d1 01 00 00 41 8b 1e 89 de 83 e6 01 <31> ff e8 74 2f 07 fe f6 c3 01 75 07 e8 7a 2c 07 fe eb 36 48 8b 44
RSP: 0018:ffff8881f6f09c18 EFLAGS: 00000002
RAX: 0000000000000000 RBX: 0000000000000011 RCX: ffff8881e362af40
RDX: 0000000000010002 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8881ee8eccb0 R08: ffffffff835d0bf6 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1103d4f9151 R14: ffff8881ee8eccd0 R15: ffff8881ee8eccb0
FS:  0000555556ac5480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f51f07e30c0 CR3: 00000001e7955000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 snd_hrtimer_callback+0x1ff/0x370 sound/core/hrtimer.c:50
 __run_hrtimer kernel/time/hrtimer.c:1581 [inline]
 __hrtimer_run_queues+0x3e9/0xb90 kernel/time/hrtimer.c:1643
 hrtimer_interrupt+0x38a/0x890 kernel/time/hrtimer.c:1705
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1122 [inline]
 smp_apic_timer_interrupt+0x110/0x460 arch/x86/kernel/apic/apic.c:1147
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x4d/0x80 kernel/locking/spinlock.c:191
Code: 74 0c 48 c7 c7 90 3b 8b 85 e8 9f 01 43 fd 48 83 3d 77 1f 3a 01 00 74 36 48 89 df e8 6d d7 fa fc 66 90 4c 89 34 24 ff 34 24 9d <bf> 01 00 00 00 e8 e9 c3 f3 fc 65 8b 05 4e 71 b1 7b 85 c0 74 08 48
RSP: 0018:ffff8881d76cfc68 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881ee8ecd38 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000246 RDI: ffff8881ee8ecd38
RBP: ffff8881ee8eccf0 R08: ffffffff835d2f01 R09: ffffed103c8a824e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881ec4b0e00
R13: dffffc0000000000 R14: 0000000000000246 R15: ffff8881ee8ecd38
 spin_unlock_irqrestore include/linux/spinlock.h:393 [inline]
 snd_timer_stop1+0x793/0x8f0 sound/core/timer.c:631
 snd_timer_stop sound/core/timer.c:681 [inline]
 snd_timer_close_locked+0x1aa/0x860 sound/core/timer.c:371
 snd_timer_close sound/core/timer.c:433 [inline]
 snd_timer_user_release+0x11a/0x230 sound/core/timer.c:1488
 __fput+0x262/0x680 fs/file_table.c:281
 task_work_run+0x140/0x170 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x190/0x1a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f51f06b7d5a
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffc128e74c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f51f06b7d5a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000032 R08: 0000001b2ea60000 R09: 00007f51f07e6f8c
R10: 00007ffc128e7610 R11: 0000000000000293 R12: 00007f51f023b680
R13: ffffffffffffffff R14: 00007f51f023b000 R15: 000000000000f127