rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2690 jiffies s: 373 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5096 Comm: syz-executor190 Not tainted 6.9.0-rc5-syzkaller-00355-g2c8159388952 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:hlock_class kernel/locking/lockdep.c:223 [inline]
RIP: 0010:mark_lock+0x6c/0x350 kernel/locking/lockdep.c:4656
Code: 40 0f 94 c5 83 f5 09 eb 0b 89 d5 83 fa 20 0f 83 d9 02 00 00 41 be 01 00 00 00 89 e9 41 d3 e6 49 8d 5f 20 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 30 02 00 00 8b 1b 81 e3 ff 1f 00 00 48
RSP: 0018:ffffc90000a08a48 EFLAGS: 00000802
RAX: 1ffff1100f6c5529 RBX: ffff88807b62a948 RCX: 0000000000000008
RDX: 0000000000000008 RSI: ffff88807b62a928 RDI: ffff88807b629e00
RBP: 0000000000000008 R08: ffffffff92f355cf R09: 1ffffffff25e6ab9
R10: dffffc0000000000 R11: fffffbfff25e6aba R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000100 R15: ffff88807b62a928
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555928596f8 CR3: 000000000e134000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 mark_usage kernel/locking/lockdep.c:4599 [inline]
 __lock_acquire+0xc0a/0x1fd0 kernel/locking/lockdep.c:5091
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754
 __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]
 class_spinlock_constructor include/linux/spinlock.h:561 [inline]
 snd_hrtimer_callback+0x54/0x370 sound/core/hrtimer.c:38
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x5a5/0xd50 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 0e a3 6f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> c3 ab da f5 65 8b 05 34 d8 78 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc9000344f940 EFLAGS: 00000206
RAX: 0c4b427763356e00 RBX: 1ffff92000689f2c RCX: ffffffff8172edda
RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: 0000000000000001
RBP: ffffc9000344f9d0 R08: ffffffff92f35587 R09: 1ffffffff25e6ab0
R10: dffffc0000000000 R11: fffffbfff25e6ab1 R12: dffffc0000000000
R13: 1ffff92000689f28 R14: ffffc9000344f960 R15: 0000000000000246
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 class_spinlock_irqsave_destructor include/linux/spinlock.h:574 [inline]
 snd_timer_stop1+0x7e6/0x950 sound/core/timer.c:634
 snd_timer_stop sound/core/timer.c:679 [inline]
 snd_timer_close_locked+0x223/0x8d0 sound/core/timer.c:423
 snd_timer_close sound/core/timer.c:464 [inline]
 snd_timer_user_release+0x138/0x2e0 sound/core/timer.c:1468
 __fput+0x429/0x8a0 fs/file_table.c:422
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa1b/0x27e0 kernel/exit.c:878
 do_group_exit+0x207/0x2c0 kernel/exit.c:1027
 __do_sys_exit_group kernel/exit.c:1038 [inline]
 __se_sys_exit_group kernel/exit.c:1036 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1036
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f73853a3339
Code: Unable to access opcode bytes at 0x7f73853a330f.
RSP: 002b:00007fff11085dd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f73853a3339
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f738541e370 R08: ffffffffffffffb8 R09: 0000000000000004
R10: 0000000000000004 R11: 0000000000000246 R12: 00007f738541e370
R13: 0000000000000000 R14: 00007f738541ede0 R15: 00007f7385374280
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.613 msecs