rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (1 GPs behind) idle=b284/1/0x4000000000000000 softirq=14007/14011 fqs=4
	(t=10501 jiffies g=14585 q=776 ncpus=2)
rcu: rcu_preempt kthread starved for 10493 jiffies! g14585 f0x0 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+0x308/0x5fc arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0xef4/0x1d44 kernel/sched/core.c:6558
 schedule+0xc4/0x170 kernel/sched/core.c:6634
 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:
Task dump for CPU 1:
task:syz.2.407       state:R  running task     stack:0     pid:6033  ppid:4300   flags:0x00000000
Call trace:
 __switch_to+0x308/0x5fc arch/arm64/kernel/process.c:553
 0xffff0000c7818000
CPU: 0 PID: 6026 Comm: syz.0.405 Not tainted 6.1.118-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:131
lr : lock_is_held_type+0x150/0x1a8 kernel/locking/lockdep.c:5707
sp : ffff800021547550
x29: ffff800021547550 x28: 0000000000000000 x27: ffff7000042a8ee8
x26: ffff0000d1be8000 x25: ffff800015923cc0 x24: 0000000000000001
x23: ffff0000d1be8000 x22: ffff0000d1be8000 x21: ffff800015ba5220
x20: 0000000000000000 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082ff2b8 x15: 0000ffffc8164288
x14: 1ffff00002b3a0b0 x13: dfff800000000000 x12: 0000000055547681
x11: 0000000000ff0100 x10: 0000000000000000 x9 : 0000000000000000
x8 : 00000000000000c0 x7 : ffff80000885e844 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000000 x1 : ffff8000123ed700 x0 : 0000000000000000
Call trace:
 arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122
 lock_is_held include/linux/lockdep.h:283 [inline]
 __might_resched+0x98/0x4d8 kernel/sched/core.c:9917
 __might_sleep+0x90/0xe4 kernel/sched/core.c:9884
 __might_fault+0x7c/0x124 mm/memory.c:5848
 restore_sigframe arch/arm64/kernel/signal.c:646 [inline]
 __arm64_sys_rt_sigreturn+0x344/0x2094 arch/arm64/kernel/signal.c:697
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585