rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2671 jiffies s: 3021 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: 5598 Comm: dhcpcd-run-hook Not tainted 6.10.0-syzkaller-09703-gd7e78951a8b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:32 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:87 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:147 [inline]
RIP: 0010:lock_acquire+0x237/0x550 kernel/locking/lockdep.c:5762
Code: 0f 85 a3 01 00 00 49 89 de 48 c1 eb 03 42 80 3c 2b 00 74 08 4c 89 f7 e8 87 09 8a 00 48 c7 44 24 60 00 00 00 00 9c 8f 44 24 60 <42> 80 3c 2b 00 74 08 4c 89 f7 e8 7a 08 8a 00 f6 44 24 61 02 0f 85
RSP: 0018:ffffc90000a18a40 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffff92000143154 RCX: a2d238c607ac2600
RDX: dffffc0000000000 RSI: ffffffff8bcadaa0 RDI: ffffffff8c206900
RBP: ffffc90000a18b88 R08: ffffffff92ff0607 R09: 1ffffffff25fe0c0
R10: dffffc0000000000 R11: fffffbfff25fe0c1 R12: 1ffff92000143150
R13: dffffc0000000000 R14: ffffc90000a18aa0 R15: 0000000000000046
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563f64323131 CR3: 000000000e134000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __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_deactivate+0x158/0x390 lib/debugobjects.c:764
 debug_hrtimer_deactivate kernel/time/hrtimer.c:428 [inline]
 debug_deactivate+0x1b/0x220 kernel/time/hrtimer.c:484
 __run_hrtimer kernel/time/hrtimer.c:1657 [inline]
 __hrtimer_run_queues+0x305/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 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 be 90 60 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> a3 bb c9 f5 65 8b 05 f4 df 6a 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc90004aaf360 EFLAGS: 00000206
RAX: a2d238c607ac2600 RBX: 1ffff92000955e70 RCX: ffffffff816fef2a
RDX: dffffc0000000000 RSI: ffffffff8bcac920 RDI: 0000000000000001
RBP: ffffc90004aaf3f0 R08: ffffffff92ff0637 R09: 1ffffffff25fe0c6
R10: dffffc0000000000 R11: fffffbfff25fe0c7 R12: dffffc0000000000
R13: 1ffff92000955e6c R14: ffffc90004aaf380 R15: 0000000000000246
 __debug_check_no_obj_freed lib/debugobjects.c:999 [inline]
 debug_check_no_obj_freed+0x561/0x580 lib/debugobjects.c:1020
 free_pages_prepare mm/page_alloc.c:1100 [inline]
 free_unref_folios+0x537/0x19e0 mm/page_alloc.c:2637
 folios_put_refs+0x93a/0xa60 mm/swap.c:1024
 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:332
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
 exit_mmap+0x44f/0xc80 mm/mmap.c:3354
 __mmput+0x115/0x390 kernel/fork.c:1343
 exit_mm+0x220/0x310 kernel/exit.c:566
 do_exit+0x9b2/0x27f0 kernel/exit.c:864
 do_group_exit+0x207/0x2c0 kernel/exit.c:1026
 __do_sys_exit_group kernel/exit.c:1037 [inline]
 __se_sys_exit_group kernel/exit.c:1035 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1035
 x64_sys_call+0x26c3/0x26d0 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: 0033:0x7effe766aa90
Code: Unable to access opcode bytes at 0x7effe766aa66.
RSP: 002b:00007ffd7bd6bd88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000563f64317910 RCX: 00007effe766aa90
RDX: 00000000000000e7 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00007ffd7bd6c0b8 R08: 0000563f64317c58 R09: d17921e7c24c8ca0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd7bd6c0b0
R13: 00007ffd7bd6c0c0 R14: 0000563f4e42f169 R15: 00007effe7867a80
 </TASK>