rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2674 jiffies s: 2449 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: 5498 Comm: syz-executor.0 Not tainted 6.8.0-rc6-syzkaller-g5ad3cb0ed525 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:srso_safe_ret+0x0/0x20 arch/x86/lib/retpoline.S:208
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 b8 <48> 8d 64 24 08 c3 cc cc 0f ae e8 e8 f0 ff ff ff 0f 0b 66 2e 0f 1f
RSP: 0018:ffffc900001f0c70 EFLAGS: 00000086
RAX: 0000000000000001 RBX: ffff88802cba92e8 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88802cba92e8
RBP: ffff88802cb214c8 R08: ffff88802cba92eb R09: 1ffff1100597525d
R10: dffffc0000000000 R11: ffffed100597525e R12: dffffc0000000000
R13: ffff88802cb21408 R14: ffff88802cb21400 R15: ffff88802cba9340
FS:  00007f898f0b76c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 000000002d0ba000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 srso_return_thunk+0x5/0x5f arch/x86/lib/retpoline.S:222
 __raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_unlock+0x1e/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 advance_sched+0x9b4/0xca0 net/sched/sch_taprio.c:992
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x596/0xd00 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x109/0x3a0 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x92/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
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 9e 7a 83 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 03 3d f2 f5 65 8b 05 84 ae 91 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc9000548f9c0 EFLAGS: 00000206
RAX: 5dd2968507bdd900 RBX: 1ffff92000a91f3c RCX: ffffffff94485303
RDX: dffffc0000000000 RSI: ffffffff8baab660 RDI: 0000000000000001
RBP: ffffc9000548fa50 R08: ffffffff8f856caf R09: 1ffffffff1f0ad95
R10: dffffc0000000000 R11: fffffbfff1f0ad96 R12: dffffc0000000000
R13: 1ffff92000a91f38 R14: ffffc9000548f9e0 R15: 0000000000000246
 class_raw_spinlock_irqsave_destructor include/linux/spinlock.h:553 [inline]
 try_to_wake_up+0x901/0x1470 kernel/sched/core.c:4253
 wake_up_process kernel/sched/core.c:4501 [inline]
 wake_up_q+0xc8/0x120 kernel/sched/core.c:1029
 futex_wake+0x523/0x5c0 kernel/futex/waitwake.c:199
 do_futex+0x392/0x560 kernel/futex/syscalls.c:107
 __do_sys_futex kernel/futex/syscalls.c:179 [inline]
 __se_sys_futex+0x3f8/0x480 kernel/futex/syscalls.c:160
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f898e27cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f898f0b7178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f898e39bf88 RCX: 00007f898e27cae9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f898e39bf8c
RBP: 00007f898e39bf80 R08: 00007ffd941a30b0 R09: 00007f898f0b76c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f898e39bf8c
R13: 000000000000000b R14: 00007ffd9407dac0 R15: 00007ffd9407dba8
 </TASK>