rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=3957, q=71 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10500 (4294954658-4294944158), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10500 jiffies! g3957 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:0     pid:16    ppid:2      flags:0x00000008
Call trace:
 __switch_to+0x308/0x598 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5243 [inline]
 __schedule+0xef4/0x1d44 kernel/sched/core.c:6560
 schedule+0xc4/0x170 kernel/sched/core.c:6636
 schedule_timeout+0x1d8/0x344 kernel/time/timer.c:1965
 rcu_gp_fqs_loop+0x2cc/0x1538 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0xc0/0x308 kernel/rcu/tree.c:1905
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 4308 Comm: syz-executor104 Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : lock_acquire+0x2ac/0x7cc
lr : lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
lr : lock_acquire+0x278/0x7cc kernel/locking/lockdep.c:5664
sp : ffff8000212579e0
x29: ffff800021257ac0 x28: dfff800000000000 x27: ffff70000424af44
x26: ffff0001b3ce3cc0 x25: ffff0000d7d19f48 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000
x20: ffff800015a54cc0 x19: ffff0001b3ce3cc0 x18: 1fffe0001a92f44c
x17: 0000000000000000 x16: ffff800012327fec x15: 0000000000000000
x14: 1ffff00002b600b2 x13: dfff800000000000 x12: 0000000055547681
x11: 0000000000ff0100 x10: 0000000000000000 x9 : 0000000000000080
x8 : 00000000000000c0 x7 : ffff800008860660 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : ffff80001248e700 x0 : 0000000000000001
Call trace:
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 lock_acquire+0x2ac/0x7cc kernel/locking/lockdep.c:5665
 __might_fault+0xc4/0x124 mm/memory.c:5853
 setup_sigframe arch/arm64/kernel/signal.c:788 [inline]
 setup_rt_frame arch/arm64/kernel/signal.c:975 [inline]
 handle_signal arch/arm64/kernel/signal.c:1016 [inline]
 do_signal arch/arm64/kernel/signal.c:1091 [inline]
 do_notify_resume+0xc80/0x2cb8 arch/arm64/kernel/signal.c:1129
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585