rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=bb04/1/0x4000000000000000 softirq=35249/35249 fqs=0
	(detected by 1, t=10502 jiffies, g=49097, q=174 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14425 Comm: syz-executor.0 Not tainted 6.1.74-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:kasan_check_range+0x3/0x290 mm/kasan/generic.c:188
Code: 48 89 c7 e8 7f 75 a9 08 31 c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 cc cc cc cc cc cc cc cc cc cc cc cc 55 41 57 <41> 56 53 b0 01 48 85 f6 0f 84 9a 01 00 00 48 89 fd 48 01 f5 0f 82
RSP: 0018:ffffc90000007b48 EFLAGS: 00000056
RAX: 0000000000000001 RBX: dffffc0000000000 RCX: ffffffff816ba3aa
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000007bc0
RBP: ffffc90000007c30 R08: dffffc0000000000 R09: fffffbfff23f26a6
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff91f93528
R13: 1ffff92000000f78 R14: ffffc90000007bc0 R15: 1ffffffff23f26a6
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdcfc5a1b24 CR3: 000000007eff6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
 atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:542 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
 do_raw_spin_lock+0x14a/0x370 kernel/locking/spinlock_debug.c:115
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0xdd/0x120 kernel/locking/spinlock.c:162
 debug_object_deactivate+0x61/0x420 lib/debugobjects.c:772
 debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline]
 debug_deactivate+0x1d/0x280 kernel/time/hrtimer.c:481
 __run_hrtimer kernel/time/hrtimer.c:1653 [inline]
 __hrtimer_run_queues+0x334/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:543 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
RIP: 0010:do_raw_spin_lock+0x16a/0x370 kernel/locking/spinlock_debug.c:115
Code: be 04 00 00 00 e8 06 23 76 00 41 0f b6 44 1d 00 84 c0 48 89 da 0f 85 89 01 00 00 8b 44 24 60 b9 01 00 00 00 f0 41 0f b1 0c 24 <0f> 85 db 00 00 00 65 8b 1d c9 75 96 7e 41 0f b6 04 17 84 c0 0f 85
RSP: 0018:ffffc9000c15fc20 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000c15fc80
RBP: ffffc9000c15fcf8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff888020024540
R13: 1ffff9200182bf90 R14: ffffc9000c15fc80 R15: 1ffff110040048a9
 spin_lock include/linux/spinlock.h:350 [inline]
 task_lock include/linux/sched/task.h:203 [inline]
 exit_fs+0x52/0x140 fs/fs_struct.c:101
 do_exit+0xa28/0x26a0 kernel/exit.c:865
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdcfc47cda9
Code: Unable to access opcode bytes at 0x7fdcfc47cd7f.
RSP: 002b:00007fff0848b098 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007fdcfc47cda9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000001b32f20000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g49097 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=39921
rcu: rcu_preempt kthread starved for 10502 jiffies! g49097 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:26680 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x142d/0x4550 kernel/sched/core.c:6558
 schedule+0xbf/0x180 kernel/sched/core.c:6634
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1935
 rcu_gp_fqs_loop+0x2d2/0x1120 kernel/rcu/tree.c:1674
 rcu_gp_kthread+0xa3/0x3a0 kernel/rcu/tree.c:1873
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </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: 14425 Comm: syz-executor.0 Not tainted 6.1.74-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:35 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:106 [inline]
RIP: 0010:lock_acquire+0x194/0x5a0 kernel/locking/lockdep.c:5658
Code: 4c 89 fb 48 c1 eb 03 42 80 3c 2b 00 74 08 4c 89 ff e8 20 80 77 00 48 c7 84 24 80 00 00 00 00 00 00 00 9c 8f 84 24 80 00 00 00 <42> 80 3c 2b 00 74 08 4c 89 ff e8 7d 7f 77 00 48 8d 5c 24 60 4c 8b
RSP: 0018:ffffc90000007ae0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 1ffff92000000f6c RCX: ffffffff816a44db
RDX: 0000000000000000 RSI: ffffffff8b3cfa60 RDI: ffffffff8b3cfa20
RBP: ffffc90000007c28 R08: dffffc0000000000 R09: fffffbfff1ce6a16
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000000f64
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90000007b60
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdcfc5a1b24 CR3: 000000007eff6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __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_deactivate+0x61/0x420 lib/debugobjects.c:772
 debug_hrtimer_deactivate kernel/time/hrtimer.c:425 [inline]
 debug_deactivate+0x1d/0x280 kernel/time/hrtimer.c:481
 __run_hrtimer kernel/time/hrtimer.c:1653 [inline]
 __hrtimer_run_queues+0x334/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:543 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:111 [inline]
RIP: 0010:do_raw_spin_lock+0x16a/0x370 kernel/locking/spinlock_debug.c:115
Code: be 04 00 00 00 e8 06 23 76 00 41 0f b6 44 1d 00 84 c0 48 89 da 0f 85 89 01 00 00 8b 44 24 60 b9 01 00 00 00 f0 41 0f b1 0c 24 <0f> 85 db 00 00 00 65 8b 1d c9 75 96 7e 41 0f b6 04 17 84 c0 0f 85
RSP: 0018:ffffc9000c15fc20 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000c15fc80
RBP: ffffc9000c15fcf8 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff888020024540
R13: 1ffff9200182bf90 R14: ffffc9000c15fc80 R15: 1ffff110040048a9
 spin_lock include/linux/spinlock.h:350 [inline]
 task_lock include/linux/sched/task.h:203 [inline]
 exit_fs+0x52/0x140 fs/fs_struct.c:101
 do_exit+0xa28/0x26a0 kernel/exit.c:865
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdcfc47cda9
Code: Unable to access opcode bytes at 0x7fdcfc47cd7f.
RSP: 002b:00007fff0848b098 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007fdcfc47cda9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000001b32f20000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>