rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2680 jiffies s: 23765 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 UID: 0 PID: 18799 Comm: syz.3.2290 Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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:87 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:147 [inline]
RIP: 0010:lock_acquire.part.0+0x142/0x380 kernel/locking/lockdep.c:5828
Code: ad ff ff 48 c7 c7 40 d3 6c 8b 48 83 c4 28 e8 55 70 b8 09 b8 ff ff ff ff 65 0f c1 05 50 dd 97 7e 83 f8 01 0f 85 d0 01 00 00 9c <58> f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 48 b8 00
RSP: 0018:ffffc90000a18be8 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffff9200014317f RCX: 0000000000000001
RDX: 0000000000000001 RSI: ffffffff8b6cd340 RDI: ffffffff8bd1adc0
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff2dc5588
R10: ffffffff96e2ac47 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff9a9c3c08 R14: 0000000000000000 R15: 0000000000000000
FS:  0000555568eb9500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c346461 CR3: 0000000067b40000 CR4: 00000000003526f0
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+0x3a/0x60 kernel/locking/spinlock.c:162
 debug_object_activate+0x199/0x540 lib/debugobjects.c:708
 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline]
 debug_activate kernel/time/hrtimer.c:478 [inline]
 enqueue_hrtimer+0x25/0x3c0 kernel/time/hrtimer.c:1085
 __run_hrtimer kernel/time/hrtimer.c:1708 [inline]
 __hrtimer_run_queues+0x903/0xae0 kernel/time/hrtimer.c:1755
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1817
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:finish_task_switch.isra.0+0x220/0xcc0 kernel/sched/core.c:5202
Code: a9 0a 00 00 44 8b 0d 57 bf 02 0f 45 85 c9 0f 85 c0 01 00 00 48 89 df e8 ae f8 ff ff e8 79 63 38 00 fb 65 48 8b 1d e0 15 a7 7e <48> 8d bb f8 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc9000457f818 EFLAGS: 00000202
RAX: 00000000000016f7 RBX: ffff888063c70000 RCX: 1ffffffff2dc688d
RDX: 0000000000000000 RSI: ffffffff8b6cd040 RDI: ffffffff8bd1adc0
RBP: ffffc9000457f860 R08: 0000000000000001 R09: fffffbfff2dc558a
R10: ffffffff96e2ac57 R11: 0000000000000000 R12: ffff8880b873fca0
R13: ffff88807e5e4880 R14: 0000000000000000 R15: ffff8880b863ee80
 context_switch kernel/sched/core.c:5331 [inline]
 __schedule+0xe5d/0x5730 kernel/sched/core.c:6690
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7012
 irqentry_exit+0x36/0x90 kernel/entry/common.c:354
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:sched_submit_work kernel/sched/core.c:6746 [inline]
RIP: 0010:schedule+0x26e/0x350 kernel/sched/core.c:6781
Code: 00 00 00 8b 43 2c a8 20 75 7a a8 10 75 6c 48 8d bb 78 12 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 be 00 00 00 48 8b bb 78 12 00 00 48 85 ff 74 0a be 01 00 00
RSP: 0018:ffffc9000457fae8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffff888063c70000 RCX: ffffffff8b242efd
RDX: 1ffff1100c78e24f RSI: ffffffff8b6cd340 RDI: ffff888063c71278
RBP: ffffc9000457fcd0 R08: 0000000000000000 R09: fffffbfff2dc558a
R10: ffffffff96e2ac57 R11: 0000000000000000 R12: ffff888063c7002c
R13: ffff888063c70000 R14: ffffffff81811211 R15: dffffc0000000000
 futex_wait_queue+0xfc/0x1f0 kernel/futex/waitwake.c:370
 __futex_wait+0x291/0x3c0 kernel/futex/waitwake.c:669
 futex_wait+0xe9/0x380 kernel/futex/waitwake.c:697
 do_futex+0x22b/0x350 kernel/futex/syscalls.c:102
 __do_sys_futex kernel/futex/syscalls.c:179 [inline]
 __se_sys_futex kernel/futex/syscalls.c:160 [inline]
 __x64_sys_futex+0x1e1/0x4c0 kernel/futex/syscalls.c:160
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc1dc17e719
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc06f161e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007ffc06f16310 RCX: 00007fc1dc17e719
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc1dc335f8c
RBP: 00007fc1dc335f8c R08: 00007fc1dcf32080 R09: 00007ffc06f164df
R10: 00007ffc06f162f0 R11: 0000000000000246 R12: 00000000000c1c4d
R13: 00007ffc06f162f0 R14: 0000000000000032 R15: 00000000000c1c1b
 </TASK>