rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2669 jiffies s: 585 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: 0 Comm: swapper/0 Not tainted 6.7.0-rc2-syzkaller-00431-g9f1f6111fd5d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline] RIP: 0010:lock_release+0x38f/0x690 kernel/locking/lockdep.c:5775 Code: 85 42 02 00 00 0b 05 30 a6 18 11 0f 84 5a 01 00 00 48 c7 c7 60 bc cc 8a e8 8e 2f 18 09 b8 ff ff ff ff 65 0f c1 05 f9 79 9a 7e <83> f8 01 0f 85 c8 01 00 00 9c 58 f6 c4 02 0f 85 b3 01 00 00 48 f7 RSP: 0018:ffffc90000007cc8 EFLAGS: 00000057 RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffc90000007d18 RDX: 1ffffffff1992c76 RSI: ffffffff8accbc60 RDI: ffffffff8b2f13c0 RBP: 1ffff92000000f9b R08: 0000000000000000 R09: fffffbfff1e32b02 R10: ffffffff8f195817 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000001 R14: ffffffff8cc963b8 R15: ffffffff8cc95900 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcf28c912d0 CR3: 00000000747d6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_release include/linux/rcupdate.h:306 [inline] rcu_read_unlock include/linux/rcupdate.h:780 [inline] advance_sched+0x6d9/0xc60 net/sched/sch_taprio.c:998 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x203/0xc20 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline] __sysvec_apic_timer_interrupt+0x105/0x400 arch/x86/kernel/apic/apic.c:1082 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline] RIP: 0010:acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:113 Code: ed c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 48 8b 04 25 c0 bc 03 00 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 07 eb b9 00 fb f4 c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f RSP: 0018:ffffffff8cc07d68 EFLAGS: 00000246 RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8a803787 RDX: 0000000000000001 RSI: ffff888141262800 RDI: ffff888141262864 RBP: ffff888141262864 R08: 0000000000000001 R09: ffffed1017306dbd R10: ffff8880b9836deb R11: 0000000000000000 R12: ffff888142ef3000 R13: ffffffff8db1d6e0 R14: 0000000000000000 R15: 0000000000000000 acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:707 cpuidle_enter_state+0x83/0x500 drivers/cpuidle/cpuidle.c:267 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388 cpuidle_idle_call kernel/sched/idle.c:215 [inline] do_idle+0x319/0x400 kernel/sched/idle.c:282 cpu_startup_entry+0x50/0x60 kernel/sched/idle.c:380 rest_init+0x16f/0x2b0 init/main.c:730 arch_call_rest_init+0x13/0x30 init/main.c:827 start_kernel+0x39f/0x480 init/main.c:1072 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:555 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:536 secondary_startup_64_no_verify+0x166/0x16b INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.869 msecs