rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (0 ticks this GP) idle=c7b4/1/0x4000000000000000 softirq=159444/159444 fqs=0
rcu: 	(detected by 0, t=10506 jiffies, g=248025, q=579 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4070 Comm: syz-executor.3 Not tainted 6.9.0-syzkaller-05151-g1b294a1f3561 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90 kernel/kcov.c:303
Code: 10 48 89 74 0a 18 4c 89 44 0a 20 e9 b5 df 19 0a 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 4c 8b 04 24 65 48 8b 14 25 80 d3 03 00 65 8b 05 00 72
RSP: 0018:ffffc90000a18c88 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff888029885a00
RDX: ffff888029885a00 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff898d48ab R09: fffff52000143180
R10: dffffc0000000000 R11: fffff52000143180 R12: 0000000000000002
R13: ffffffff898d47f0 R14: ffff88802ae99340 R15: ffff8880298864c8
FS:  00007fd2dbcbd6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcfdb1c4897 CR3: 000000002bc9a000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 advance_sched+0xd8/0xca0 net/sched/sch_taprio.c:925
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x5a7/0xd50 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x3f0 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 9e 34 6c f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> d3 bc d6 f5 65 8b 05 04 96 74 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc90003d0f9c0 EFLAGS: 00000206
RAX: 8de8d785a7297f00 RBX: 1ffff920007a1f3c RCX: ffffffff9477f603
RDX: dffffc0000000000 RSI: ffffffff8bcabd40 RDI: 0000000000000001
RBP: ffffc90003d0fa50 R08: ffffffff8fac9d2f R09: 1ffffffff1f593a5
R10: dffffc0000000000 R11: fffffbfff1f593a6 R12: dffffc0000000000
R13: 1ffff920007a1f38 R14: ffffc90003d0f9e0 R15: 0000000000000246
 class_raw_spinlock_irqsave_destructor include/linux/spinlock.h:553 [inline]
 try_to_wake_up+0x902/0x1470 kernel/sched/core.c:4262
 wake_up_process kernel/sched/core.c:4510 [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+0x3f9/0x480 kernel/futex/syscalls.c:160
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd2dae7cee9
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:00007fd2dbcbd178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fd2dafabf88 RCX: 00007fd2dae7cee9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fd2dafabf8c
RBP: 00007fd2dafabf80 R08: 7fffffffffffffff R09: 00007fd2dbcbd6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd2dafabf8c
R13: 000000000000004d R14: 00007fffa37c9730 R15: 00007fffa37c9818
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10505 jiffies! g248025 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=133986
rcu: rcu_preempt kthread starved for 10506 jiffies! g248025 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:24912 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746
 __schedule_loop kernel/sched/core.c:6823 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6838
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2582
 rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:2000
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>