rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (0 ticks this GP) idle=2cf/1/0x4000000000000000 softirq=106218/106218 fqs=0 
	(detected by 0, t=10505 jiffies, g=168917, q=315)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 31164 Comm: syz-executor.4 Not tainted 5.15.133-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:lock_acquire+0x239/0x4f0 kernel/locking/lockdep.c:5625
Code: 4c 89 f7 e8 c9 46 67 00 48 c7 44 24 60 00 00 00 00 9c 8f 44 24 60 42 80 3c 2b 00 74 08 4c 89 f7 e8 2c 46 67 00 f6 44 24 61 02 <0f> 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e
RSP: 0018:ffffc90000dd0b60 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 1ffff920001ba178 RCX: ffffffff816335a2
RDX: dffffc0000000000 RSI: ffffffff8a8b1f00 RDI: ffffffff8ad87a00
RBP: ffffc90000dd0ca8 R08: dffffc0000000000 R09: fffffbfff1f7b022
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001ba174
R13: dffffc0000000000 R14: ffffc90000dd0bc0 R15: 0000000000000046
FS:  00007f5a984a56c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc7b925b38 CR3: 000000002f50e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
 _raw_spin_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x662/0xcf0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 22 3b a4 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 67 a9 31 f7 65 8b 05 28 e6 dc 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc9000507f920 EFLAGS: 00000206
RAX: 1e8f1566a2c90400 RBX: 1ffff92000a0ff28 RCX: ffffffff8162e9d8
RDX: dffffc0000000000 RSI: ffffffff8a8b0c60 RDI: 0000000000000001
RBP: ffffc9000507f9b0 R08: dffffc0000000000 R09: fffffbfff1f7b021
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000a0ff24 R14: ffffc9000507f940 R15: 0000000000000246
 clock_was_set+0x67d/0x880 kernel/time/hrtimer.c:970
 timekeeping_inject_offset+0x65f/0x710 kernel/time/timekeeping.c:1378
 do_adjtimex+0x511/0xaa0 kernel/time/timekeeping.c:2427
 do_clock_adjtime kernel/time/posix-timers.c:1149 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1161 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1152 [inline]
 __x64_sys_clock_adjtime+0x1dc/0x290 kernel/time/posix-timers.c:1152
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f5a99f44ae9
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:00007f5a984a50c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f5a9a064050 RCX: 00007f5a99f44ae9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f5a99f9047a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f5a9a064050 R15: 00007ffeca685848
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10504 jiffies! g168917 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=113076
rcu: rcu_preempt kthread starved for 10505 jiffies! g168917 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:25888 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5026 [inline]
 __schedule+0x12c4/0x4590 kernel/sched/core.c:6372
 schedule+0x11b/0x1f0 kernel/sched/core.c:6455
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1884
 rcu_gp_fqs_loop+0x2af/0xf70 kernel/rcu/tree.c:1959
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2132
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 31164 Comm: syz-executor.4 Not tainted 5.15.133-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline]
RIP: 0010:queued_spin_is_locked include/asm-generic/qspinlock.h:28 [inline]
RIP: 0010:debug_spin_unlock kernel/locking/spinlock_debug.c:100 [inline]
RIP: 0010:do_raw_spin_unlock+0x54/0x8b0 kernel/locking/spinlock_debug.c:140
Code: 10 0f b6 04 18 84 c0 48 89 14 24 0f 85 2e 04 00 00 81 3a ad 4e ad de 0f 85 01 01 00 00 4c 89 ff be 04 00 00 00 e8 1c d0 65 00 <4c> 89 f8 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 24 04 00 00 41 83 3f
RSP: 0018:ffffc90000dd0c50 EFLAGS: 00000056
RAX: 0000000000000001 RBX: dffffc0000000000 RCX: ffffffff8163f614
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88801bfcfae8
RBP: ffff88801bfcfae8 R08: dffffc0000000000 R09: ffffed10037f9f5e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801bfcf800
R13: ffff88801bfcfb40 R14: dffffc0000000000 R15: ffff88801bfcfae8
FS:  00007f5a984a56c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc7b925b38 CR3: 000000002f50e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_unlock include/linux/spinlock_api_smp.h:151 [inline]
 _raw_spin_unlock+0x1a/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:403 [inline]
 advance_sched+0x68b/0x940 net/sched/sch_taprio.c:765
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 22 3b a4 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 67 a9 31 f7 65 8b 05 28 e6 dc 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc9000507f920 EFLAGS: 00000206
RAX: 1e8f1566a2c90400 RBX: 1ffff92000a0ff28 RCX: ffffffff8162e9d8
RDX: dffffc0000000000 RSI: ffffffff8a8b0c60 RDI: 0000000000000001
RBP: ffffc9000507f9b0 R08: dffffc0000000000 R09: fffffbfff1f7b021
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000a0ff24 R14: ffffc9000507f940 R15: 0000000000000246
 clock_was_set+0x67d/0x880 kernel/time/hrtimer.c:970
 timekeeping_inject_offset+0x65f/0x710 kernel/time/timekeeping.c:1378
 do_adjtimex+0x511/0xaa0 kernel/time/timekeeping.c:2427
 do_clock_adjtime kernel/time/posix-timers.c:1149 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1161 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1152 [inline]
 __x64_sys_clock_adjtime+0x1dc/0x290 kernel/time/posix-timers.c:1152
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f5a99f44ae9
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:00007f5a984a50c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f5a9a064050 RCX: 00007f5a99f44ae9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f5a99f9047a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f5a9a064050 R15: 00007ffeca685848
 </TASK>