rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2631 jiffies s: 9549 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: 9137 Comm: syz.4.1666 Not tainted 6.11.0-rc4-syzkaller-00268-g48fb4b3d9b43 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__lock_acquire+0x13a/0x2040 kernel/locking/lockdep.c:5043
Code: e8 48 c1 e8 03 48 89 44 24 38 0f b6 04 30 84 c0 0f 85 e1 15 00 00 8b 55 00 48 c7 c0 c0 c9 ce 94 48 c1 e8 03 0f b6 04 30 84 c0 <48> 89 54 24 28 0f 85 e9 15 00 00 83 3d a4 f4 5e 13 00 75 09 83 fa
RSP: 0018:ffffc90000a18910 EFLAGS: 00000002
RAX: 0000000000000004 RBX: ffffffff931da808 RCX: 0000000000000001
RDX: 0000000000000001 RSI: dffffc0000000000 RDI: ffffffff94f02cf8
RBP: ffff88806b1c64d8 R08: 0000000000000001 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff1fed90e R12: ffff88806b1c5a00
R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff94f02cf8
FS:  00007f41fdb1e6c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32016ff8 CR3: 0000000023a30000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
 __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_activate+0x16d/0x510 lib/debugobjects.c:709
 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:1085
 __run_hrtimer kernel/time/hrtimer.c:1706 [inline]
 __hrtimer_run_queues+0x6cb/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 0e 58 3f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> b3 b0 aa f5 65 8b 05 54 85 4b 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc90017fd7b60 EFLAGS: 00000206
RAX: ade667e12af3b300 RBX: 1ffff92002ffaf70 RCX: ffffffff94cec903
RDX: dffffc0000000000 RSI: ffffffff8bead560 RDI: 0000000000000001
RBP: ffffc90017fd7bf8 R08: ffffffff8ff6c86f R09: 1ffffffff1fed90d
R10: dffffc0000000000 R11: fffffbfff1fed90e R12: dffffc0000000000
R13: 1ffff92002ffaf6c R14: ffffc90017fd7b80 R15: 0000000000000246
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 prepare_to_wait_exclusive+0xcd/0x220 kernel/sched/wait.c:256
 io_cqring_wait io_uring/io_uring.c:2453 [inline]
 __do_sys_io_uring_enter io_uring/io_uring.c:3255 [inline]
 __se_sys_io_uring_enter+0x160b/0x2670 io_uring/io_uring.c:3147
 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: 0033:0x7f41fcd79e79
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:00007f41fdb1e038 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa
RAX: ffffffffffffffda RBX: 00007f41fcf15f80 RCX: 00007f41fcd79e79
RDX: 0000000000400000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f41fcde793e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f41fcf15f80 R15: 00007ffdb5dcd018
 </TASK>