rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=fc5/1/0x4000000000000000 softirq=7673/7673 fqs=0 
	(detected by 1, t=10506 jiffies, g=8365, q=7262)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4567 Comm: syz-executor.0 Not tainted 5.15.177-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:debug_spin_unlock kernel/locking/spinlock_debug.c:101 [inline]
RIP: 0010:do_raw_spin_unlock+0x8b/0x8b0 kernel/locking/spinlock_debug.c:140
Code: 0f 85 24 04 00 00 41 83 3f 00 0f 84 9a 01 00 00 4d 8d 6f 10 4d 89 ec 49 c1 ec 03 41 80 3c 1c 00 74 08 4c 89 ef e8 c5 25 66 00 <65> 48 8b 2d 8d 27 9e 7e 49 39 6d 00 0f 85 31 02 00 00 4d 8d 77 08
RSP: 0018:ffffc90000007c40 EFLAGS: 00000046
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff816447f4
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff96cb9af8
RBP: ffffc90000007d30 R08: dffffc0000000000 R09: fffffbfff2d97360
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff2d97361
R13: ffffffff96cb9b08 R14: ffffc90000007cc0 R15: ffffffff96cb9af8
FS:  00007f2b7b4296c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 00000000754d4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:159 [inline]
 _raw_spin_unlock_irqrestore+0x7d/0x130 kernel/locking/spinlock.c:194
 debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline]
 debug_deactivate+0x1b/0x1e0 kernel/time/hrtimer.c:481
 __run_hrtimer kernel/time/hrtimer.c:1656 [inline]
 __hrtimer_run_queues+0x31d/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
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 42 90 81 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> e7 ae 0e f7 65 8b 05 f8 91 b9 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc90002eafa20 EFLAGS: 00000206
RAX: 32e3be0e95dbb800 RBX: 1ffff920005d5f48 RCX: ffffffff96a92f03
RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: 0000000000000001
RBP: ffffc90002eafab0 R08: ffffffff81870420 R09: fffffbfff1966439
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff920005d5f44 R14: ffffc90002eafa40 R15: 0000000000000246
 timekeeping_inject_offset+0x655/0x710 kernel/time/timekeeping.c:1375
 do_adjtimex+0x511/0xab0 kernel/time/timekeeping.c:2427
 do_clock_adjtime kernel/time/posix-timers.c:1154 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1166 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1157 [inline]
 __x64_sys_clock_adjtime+0x1dc/0x290 kernel/time/posix-timers.c:1157
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2b7c0a8ca9
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:00007f2b7b4290c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f2b7c1d6f80 RCX: 00007f2b7c0a8ca9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f2b7c0f447e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2b7c1d6f80 R15: 00007ffd1870ef98
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10505 jiffies! g8365 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=4562
rcu: rcu_preempt kthread starved for 10506 jiffies! g8365 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:27256 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
 schedule+0x11b/0x1f0 kernel/sched/core.c:6456
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </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: 4567 Comm: syz-executor.0 Not tainted 5.15.177-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__lock_acquire+0xf07/0x1ff0
Code: 00 c1 ed 03 81 e5 00 60 00 00 09 c5 4c 89 f8 48 c1 e8 20 29 c5 89 c1 c1 c1 04 31 e9 44 01 f8 41 29 cf 89 ca c1 c2 06 44 31 fa <01> c1 29 d0 89 d6 c1 c6 08 31 c6 01 ca 29 f1 89 f3 c1 c3 10 31 cb
RSP: 0018:ffffc900000079e0 EFLAGS: 00000002
RAX: 0000000026386ae3 RBX: 0000000000000061 RCX: 0000000006c54bef
RDX: 000000006503956e RSI: 0000000000000008 RDI: dffffc0000000000
RBP: 00000000b4de4fbb R08: dffffc0000000000 R09: fffffbfff2131821
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff8880283e8ae8 R14: 1ffff1100507d15c R15: 00000000d4516eaf
FS:  00007f2b7b4296c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 00000000754d4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162
 debug_object_activate+0x63/0x4e0 lib/debugobjects.c:694
 debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
 debug_activate kernel/time/hrtimer.c:475 [inline]
 enqueue_hrtimer+0x30/0x390 kernel/time/hrtimer.c:1084
 __run_hrtimer kernel/time/hrtimer.c:1705 [inline]
 __hrtimer_run_queues+0x6b6/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
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 42 90 81 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> e7 ae 0e f7 65 8b 05 f8 91 b9 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc90002eafa20 EFLAGS: 00000206
RAX: 32e3be0e95dbb800 RBX: 1ffff920005d5f48 RCX: ffffffff96a92f03
RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: 0000000000000001
RBP: ffffc90002eafab0 R08: ffffffff81870420 R09: fffffbfff1966439
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff920005d5f44 R14: ffffc90002eafa40 R15: 0000000000000246
 timekeeping_inject_offset+0x655/0x710 kernel/time/timekeeping.c:1375
 do_adjtimex+0x511/0xab0 kernel/time/timekeeping.c:2427
 do_clock_adjtime kernel/time/posix-timers.c:1154 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1166 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1157 [inline]
 __x64_sys_clock_adjtime+0x1dc/0x290 kernel/time/posix-timers.c:1157
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2b7c0a8ca9
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:00007f2b7b4290c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f2b7c1d6f80 RCX: 00007f2b7c0a8ca9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f2b7c0f447e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2b7c1d6f80 R15: 00007ffd1870ef98
 </TASK>