rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (2 ticks this GP) idle=bbc4/1/0x4000000000000000 softirq=13642/13642 fqs=0
rcu: 	(detected by 1, t=10502 jiffies, g=8413, q=530 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5954 Comm: syz-executor Not tainted 6.12.0-syzkaller-10681-g65ae975e97d5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:timerqueue_del+0xb1/0x100 lib/timerqueue.c:58
Code: ff ff 41 80 3c 2f 00 74 0e 48 89 df 49 89 c7 e8 05 9e 34 f6 4c 89 f8 48 89 03 4c 89 ef 4c 89 f6 e8 24 6e ff ff 41 80 3c 2c 00 <74> 08 4c 89 ef e8 e5 9d 34 f6 4d 89 6d 00 4c 89 f0 48 c1 e8 03 80
RSP: 0018:ffffc90000007d08 EFLAGS: 00000046
RAX: 1ffff110170c593a RBX: ffff8880b862c9d8 RCX: dffffc0000000000
RDX: 0000000000010000 RSI: ffff8880b862c9d0 RDI: ffff88807c1b3348
RBP: dffffc0000000000 R08: ffffffff8bcc2e28 R09: 1ffffffff203c696
R10: dffffc0000000000 R11: fffffbfff203c697 R12: 1ffff1100f836668
R13: ffff88807c1b3340 R14: ffff8880b862c9d0 R15: 1ffff110170c593b
FS:  0000555579115500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 00000000314d0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __remove_hrtimer kernel/time/hrtimer.c:1109 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1719 [inline]
 __hrtimer_run_queues+0x3d0/0xd50 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:iput_final fs/inode.c:1915 [inline]
RIP: 0010:iput+0x472/0xa50 fs/inode.c:1972
Code: e1 7a ff f6 c3 01 0f 85 9c 04 00 00 e8 57 dd 7a ff 49 83 c5 28 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 4c 89 ef e8 44 c4 e5 ff 49 8b 6d 00 48 85 ed 74 39 e8 26 dd
RSP: 0018:ffffc90003e67d70 EFLAGS: 00000246
RAX: 1ffffffff1a1c0d9 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881412cc030 R08: ffffffff821b071b R09: 1ffff1100d90b718
R10: dffffc0000000000 R11: ffffed100d90b719 R12: ffff88806c85b8c0
R13: ffffffff8d0e06c8 R14: ffff88806c85b708 R15: 1ffff1100d90b6e1
 __dentry_kill+0x20d/0x630 fs/dcache.c:625
 dput+0x19f/0x2b0 fs/dcache.c:867
 __fput+0x5ba/0xa50 fs/file_table.c:458
 __do_sys_close fs/open.c:1554 [inline]
 __se_sys_close fs/open.c:1539 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1539
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbed2f7ffa7
Code: 44 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb bc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffc5effff78 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbed2f7ffa7
RDX: 0000000000000000 RSI: 0000000000008933 RDI: 0000000000000005
RBP: 00007ffc5effff80 R08: 0000000000000008 R09: 00007ffc5effffb2
R10: 0000000000000023 R11: 0000000000000246 R12: 00007ffc5f000000
R13: 00007fbed2ff49fe R14: 00007fbed3c74620 R15: 00007fbed2ff49fe
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g8413 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=2892
rcu: rcu_preempt kthread starved for 10502 jiffies! g8413 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:25976 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>