rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2646 jiffies s: 1293 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5106 Comm: udevd Not tainted 6.9.0-rc5-syzkaller-00184-gba1cb99b559e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:check_preemption_disabled+0x19/0x120 lib/smp_processor_id.c:14
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 <65> 8b 1d 3c a8 83 74 65 8b 05 31 a8 83 74 a9 ff ff ff 7f 74 26 65
RSP: 0018:ffffc90000007888 EFLAGS: 00000086
RAX: ea6e99c17e5d7400 RBX: 0000000000000000 RCX: ffffffff81727a44
RDX: 0000000000000000 RSI: ffffffff8c1f96c0 RDI: ffffffff8c1f9680
RBP: ffffc90000007a28 R08: ffffffff8fa8fdaf R09: 1ffffffff1f51fb5
R10: dffffc0000000000 R11: fffffbfff1f51fb6 R12: 1ffff92000000f24
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88804eccc340
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4fd7295866 CR3: 000000000e134000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
 rcu_is_watching+0x15/0xb0 kernel/rcu/tree.c:700
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0xe3/0x550 kernel/locking/lockdep.c:5725
 debug_objects_fill_pool+0x9f/0x9b0 lib/debugobjects.c:614
 debug_object_activate+0x135/0x510 lib/debugobjects.c:704
 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline]
 debug_activate kernel/time/hrtimer.c:478 [inline]
 enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1090
 __run_hrtimer kernel/time/hrtimer.c:1709 [inline]
 __hrtimer_run_queues+0x6d5/0xd50 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 ce 94 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> 53 cd da f5 65 8b 05 24 fb 78 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc900035ff800 EFLAGS: 00000206
RAX: ea6e99c17e5d7400 RBX: 1ffff920006bff04 RCX: ffffffff8172ec7a
RDX: dffffc0000000000 RSI: ffffffff8bcab8a0 RDI: 0000000000000001
RBP: ffffc900035ff890 R08: ffffffff92f35537 R09: 1ffffffff25e6aa6
R10: dffffc0000000000 R11: fffffbfff25e6aa7 R12: dffffc0000000000
R13: 1ffff920006bff00 R14: ffffc900035ff820 R15: 0000000000000246
 __debug_check_no_obj_freed lib/debugobjects.c:998 [inline]
 debug_check_no_obj_freed+0x561/0x580 lib/debugobjects.c:1019
 slab_free_hook mm/slub.c:2078 [inline]
 slab_free mm/slub.c:4280 [inline]
 kmem_cache_free+0xd5/0x2c0 mm/slub.c:4344
 vma_lock_free kernel/fork.c:453 [inline]
 __vm_area_free+0xe0/0x110 kernel/fork.c:509
 remove_vma mm/mmap.c:146 [inline]
 exit_mmap+0x6ae/0xd60 mm/mmap.c:3291
 __mmput+0x115/0x3c0 kernel/fork.c:1346
 exit_mm+0x220/0x310 kernel/exit.c:569
 do_exit+0x99e/0x27e0 kernel/exit.c:865
 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: 0033:0x7f4fd7175a90
Code: Unable to access opcode bytes at 0x7f4fd7175a66.
RSP: 002b:00007ffc6f9d2648 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4fd7175a90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000007 R09: 8f10ba71760e0dff
R10: 00000000ffffffff R11: 0000000000000202 R12: 000055db98acde60
R13: 00007ffc6f9d2688 R14: 0000000000000001 R15: 000055db98aaa910
 </TASK>