rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=cc6c/1/0x4000000000000000 softirq=139005/139005 fqs=0
rcu: 	(detected by 1, t=10502 jiffies, g=204765, q=668 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6791 Comm: syz-executor.5 Not tainted 6.5.0-rc7-syzkaller-00164-g382d4cd18475 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:__lock_release kernel/locking/lockdep.c:5465 [inline]
RIP: 0010:lock_release+0x2c4/0x680 kernel/locking/lockdep.c:5781
Code: 66 83 6b 22 20 66 83 7b 22 1f 0f 87 cc 00 00 00 4c 89 f2 44 8b 64 24 50 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 <84> c0 74 08 3c 03 0f 8e de 02 00 00 48 89 da 45 89 a7 c0 0a 00 00
RSP: 0018:ffffc90000007c48 EFLAGS: 00000012
RAX: 0000000000000000 RBX: ffff88809b1aa8d8 RCX: ffffc90000007c98
RDX: 1ffff11013635510 RSI: ffffffff8d365220 RDI: ffff88809b1aa8fa
RBP: 1ffff92000000f8b R08: 0000000000000000 R09: fffffbfff1d574da
R10: ffffffff8eaba6d7 R11: 0000000000094000 R12: 0000000000000002
R13: 0000000000000003 R14: ffff88809b1aa880 R15: ffff88809b1a9dc0
FS:  00007f2db1d8e6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2db1d8ed58 CR3: 000000002cd7b000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 debug_objects_fill_pool lib/debugobjects.c:616 [inline]
 debug_object_activate+0x15d/0x490 lib/debugobjects.c:713
 debug_hrtimer_activate kernel/time/hrtimer.c:422 [inline]
 debug_activate kernel/time/hrtimer.c:477 [inline]
 enqueue_hrtimer+0x23/0x310 kernel/time/hrtimer.c:1087
 __run_hrtimer kernel/time/hrtimer.c:1705 [inline]
 __hrtimer_run_queues+0xa0a/0xc10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1115
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 96 da 30 f7 48 89 df e8 6e 59 31 f7 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 15 fc 22 f7 65 8b 05 e6 89 cd 75 85 c0 74 12 5b
RSP: 0018:ffffc9000c457a78 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff8880b982b880 RCX: 1ffffffff230a116
RDX: 0000000000000000 RSI: ffffffff8a6c80a0 RDI: ffffffff8ac81440
RBP: 0000000000000282 R08: 0000000000000001 R09: fffffbfff2309fd0
R10: ffffffff9184fe87 R11: 0000000000000002 R12: fe232c1db01b0eb4
R13: 0000000000000000 R14: 0000026d49e17579 R15: dffffc0000000000
 clock_was_set+0x592/0x850 kernel/time/hrtimer.c:972
 timekeeping_inject_offset+0x4d1/0x640 kernel/time/timekeeping.c:1395
 do_adjtimex+0x373/0xaa0 kernel/time/timekeeping.c:2444
 do_clock_adjtime kernel/time/posix-timers.c:1159 [inline]
 __do_sys_clock_adjtime+0x173/0x280 kernel/time/posix-timers.c:1171
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2db107cae9
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:00007f2db1d8e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f2db119c120 RCX: 00007f2db107cae9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f2db10c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f2db119c120 R15: 00007ffeb9819668
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g204765 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=218040
rcu: rcu_preempt kthread starved for 10502 jiffies! g204765 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
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:28160 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6710
 schedule+0xe7/0x1b0 kernel/sched/core.c:6786
 schedule_timeout+0x157/0x2c0 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x1ec/0xa50 kernel/rcu/tree.c:1609
 rcu_gp_kthread+0x249/0x380 kernel/rcu/tree.c:1808
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6791 Comm: syz-executor.5 Not tainted 6.5.0-rc7-syzkaller-00164-g382d4cd18475 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
RIP: 0010:rcu_is_watching+0x19/0xb0 kernel/rcu/tree.c:695
Code: 08 65 8a 05 b5 09 95 7e 0f b6 c0 c3 0f 1f 44 00 00 f3 0f 1e fa 55 53 65 ff 05 fb ee 94 7e e8 be c7 c3 08 48 c7 c3 e8 6c 03 00 <83> f8 07 89 c5 77 7a 48 8d 3c ed 00 da 39 8c 48 b8 00 00 00 00 00
RSP: 0018:ffffc90000007c18 EFLAGS: 00000082
RAX: 0000000000000000 RBX: 0000000000036ce8 RCX: ffffffff81670ab5
RDX: fffffbfff1d574db RSI: ffffffff8ac813c0 RDI: ffffffff8ac81400
RBP: 1ffff92000000f88 R08: 0000000000000000 R09: fffffbfff1d574da
R10: ffffffff8eaba6d7 R11: 0000000000094000 R12: ffffffff923a91d8
R13: ffff88807c510340 R14: ffffffff8a6efbe0 R15: 1ffff92000000fa6
FS:  00007f2db1d8e6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2db1d8ed58 CR3: 000000002cd7b000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0x4bf/0x680 kernel/locking/lockdep.c:5772
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline]
 _raw_spin_unlock_irqrestore+0x1a/0x70 kernel/locking/spinlock.c:194
 debug_object_activate+0x283/0x490 lib/debugobjects.c:745
 debug_hrtimer_activate kernel/time/hrtimer.c:422 [inline]
 debug_activate kernel/time/hrtimer.c:477 [inline]
 enqueue_hrtimer+0x23/0x310 kernel/time/hrtimer.c:1087
 __run_hrtimer kernel/time/hrtimer.c:1705 [inline]
 __hrtimer_run_queues+0xa0a/0xc10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1098 [inline]
 __sysvec_apic_timer_interrupt+0x14a/0x430 arch/x86/kernel/apic/apic.c:1115
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 96 da 30 f7 48 89 df e8 6e 59 31 f7 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 15 fc 22 f7 65 8b 05 e6 89 cd 75 85 c0 74 12 5b
RSP: 0018:ffffc9000c457a78 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffff8880b982b880 RCX: 1ffffffff230a116
RDX: 0000000000000000 RSI: ffffffff8a6c80a0 RDI: ffffffff8ac81440
RBP: 0000000000000282 R08: 0000000000000001 R09: fffffbfff2309fd0
R10: ffffffff9184fe87 R11: 0000000000000002 R12: fe232c1db01b0eb4
R13: 0000000000000000 R14: 0000026d49e17579 R15: dffffc0000000000
 clock_was_set+0x592/0x850 kernel/time/hrtimer.c:972
 timekeeping_inject_offset+0x4d1/0x640 kernel/time/timekeeping.c:1395
 do_adjtimex+0x373/0xaa0 kernel/time/timekeeping.c:2444
 do_clock_adjtime kernel/time/posix-timers.c:1159 [inline]
 __do_sys_clock_adjtime+0x173/0x280 kernel/time/posix-timers.c:1171
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2db107cae9
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:00007f2db1d8e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f2db119c120 RCX: 00007f2db107cae9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f2db10c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f2db119c120 R15: 00007ffeb9819668
 </TASK>