rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=13701, q=311)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294959165-4294948663), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g13701 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R  running task     stack:27528 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5049 [inline]
 __schedule+0x11bb/0x4390 kernel/sched/core.c:6395
 schedule+0x11b/0x1e0 kernel/sched/core.c:6478
 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x29e/0x11b0 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0x98/0x350 kernel/rcu/tree.c:2145
 kthread+0x436/0x520 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: 5335 Comm: syz-executor.3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:trace_hardirqs_on+0x6c/0x80 kernel/trace/trace_preemptirq.c:50
Code: f9 ff eb 1c e8 d5 e1 f9 ff 48 8b 7c 24 08 31 f6 e8 29 00 00 00 65 c7 05 a6 48 85 7e 00 00 00 00 e8 79 db dd ff 48 8b 7c 24 08 <5b> e9 0e fd 23 08 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 41
RSP: 0018:ffffc9000307fce0 EFLAGS: 00000046
RAX: c09903598bde9800 RBX: 0000000000000000 RCX: c09903598bde9800
RDX: dffffc0000000000 RSI: ffffffff8a0b2e80 RDI: ffffffff89ab4fcf
RBP: ffffc9000307ff10 R08: dffffc0000000000 R09: ffffed100f76d941
R10: ffffed100f76d941 R11: 1ffff1100f76d940 R12: ffff88802c4e8000
R13: 1ffff9200060fffe R14: 1ffff9200060ffa8 R15: ffffc9000307fff0
FS:  00007f00ab2516c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f00ab250d80 CR3: 000000001e531000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
 _raw_spin_unlock_irq+0x1f/0x40 kernel/locking/spinlock.c:202
 __ia32_sys_rt_sigreturn+0x184/0x790 arch/x86/kernel/signal.c:672
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f00abe93339
Code: 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 90 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 0f 00 00 00 0f 05 <0f> 1f 80 00 00 00 00 48 81 ec 48 01 00 00 49 89 d0 64 48 8b 04 25
RSP: 002b:00007f00ab250bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000000f
RAX: ffffffffffffffda RBX: 00007f00abffef88 RCX: 00007f00abe93339
RDX: 00007f00ab250bc0 RSI: 00007f00ab250cf0 RDI: 0000000000000021
RBP: 00007f00abffef80 R08: 00007f00ab2516c0 R09: 00007f00ab2516c0
R10: 0000000000000000 R11: 0000000000000202 R12: 00007f00abffef8c
R13: 000000000000000b R14: 00007ffc3373ca80 R15: 00007ffc3373cb68
 </TASK>