rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2641 jiffies s: 2413 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: 5462 Comm: dhcpcd-run-hook Not tainted 6.8.0-rc5-syzkaller-gb401b621758e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:check_preemption_disabled+0x42/0x110 lib/smp_processor_id.c:55 Code: 08 65 8b 1d 1c c0 26 75 65 8b 05 11 c0 26 75 a9 ff ff ff 7f 74 22 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 0f 85 c7 00 00 00 <89> d8 48 83 c4 10 5b 41 5c 41 5e 41 5f c3 48 c7 04 24 00 00 00 00 RSP: 0000:ffffc900001f0b28 EFLAGS: 00000046 RAX: a462dc4d800f3400 RBX: 0000000000000001 RCX: ffffc900001f0b03 RDX: 0000000000000002 RSI: ffffffff8b2c36c0 RDI: ffffffff8b8021a0 RBP: ffffc900001f0c90 R08: ffffffff8ebcc2af R09: 1ffffffff1d79855 R10: dffffc0000000000 R11: fffffbfff1d79856 R12: 1ffff9200003e178 R13: 0000000000000046 R14: ffffc900001f0bf0 R15: dffffc0000000000 FS: 00007f7224116380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f722421d256 CR3: 000000002b181000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline] lock_release+0x5c4/0x9c0 kernel/locking/lockdep.c:5776 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline] _raw_spin_unlock_irqrestore+0x75/0x130 kernel/locking/spinlock.c:194 debug_hrtimer_deactivate kernel/time/hrtimer.c:427 [inline] debug_deactivate+0x1b/0x1e0 kernel/time/hrtimer.c:483 __run_hrtimer kernel/time/hrtimer.c:1657 [inline] __hrtimer_run_queues+0x31d/0xd00 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline] __sysvec_apic_timer_interrupt+0x100/0x380 arch/x86/kernel/apic/apic.c:1082 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline] RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:103 [inline] RIP: 0010:lock_acquire+0x172/0x520 kernel/locking/lockdep.c:5750 Code: 8d bc 24 80 00 00 00 4c 89 fb 48 c1 eb 03 42 80 3c 2b 00 74 08 4c 89 ff e8 cb 16 81 00 48 c7 84 24 80 00 00 00 00 00 00 00 9c <8f> 84 24 80 00 00 00 42 80 3c 2b 00 74 08 4c 89 ff e8 28 16 81 00 RSP: 0000:ffffc9000505fc18 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 1ffff92000a0bf94 RCX: ffffffff816d0e90 RDX: 0000000000000000 RSI: ffffffff8b802180 RDI: ffffffff8b802140 RBP: ffffc9000505fd68 R08: ffffffff8ebcc2af R09: 1ffffffff1d79855 R10: dffffc0000000000 R11: fffffbfff1d79856 R12: 1ffff92000a0bf8c R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc9000505fca0 rcu_lock_acquire include/linux/rcupdate.h:298 [inline] rcu_read_lock include/linux/rcupdate.h:750 [inline] count_memcg_event_mm+0xad/0x410 include/linux/memcontrol.h:1118 mm_account_fault mm/memory.c:5319 [inline] handle_mm_fault+0x4c7/0x880 mm/memory.c:5466 do_user_addr_fault arch/x86/mm/fault.c:1364 [inline] handle_page_fault arch/x86/mm/fault.c:1507 [inline] exc_page_fault+0x481/0x880 arch/x86/mm/fault.c:1563 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7f722421d256 Code: 25 0f 00 ba fd 0d 00 00 48 8d 35 af c0 0e 00 48 8d 3d 19 cf 0e 00 e8 fe cb ff ff 45 31 e4 5a 4c 89 e0 5d 41 5c 41 5d 41 5e c3 <48> 85 ff 0f 84 83 00 00 00 41 54 4c 8d 67 f0 55 53 48 8b 1d 9a 7b RSP: 002b:00007ffe823ed478 EFLAGS: 00010207 RAX: 0000000000000000 RBX: 00007f72244163d8 RCX: 00007f722426b0a8 RDX: 000056548e474910 RSI: 000056548e483c18 RDI: 000056548e47bb00 RBP: 000056548e476760 R08: 0000000000000000 R09: 0000000000000000 R10: 00007f7224449088 R11: 0000000000000246 R12: 000056548e474910 R13: 000056548e475b70 R14: 0000000000000000 R15: 0000000000000024