rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=752c/1/0x4000000000000000 softirq=32444/32444 fqs=5158
	(t=10500 jiffies g=37305 q=4231 ncpus=2)
CPU: 0 PID: 9721 Comm: syz.3.1266 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : lock_acquire+0x250/0x63c arch/arm64/include/asm/irqflags.h:-1
lr : lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
lr : lock_acquire+0x21c/0x63c kernel/locking/lockdep.c:5792
sp : ffff800022637b00
x29: ffff800022637b60 x28: ffff800016376d00 x27: dfff800000000000
x26: ffff00019e0c3d00 x25: 0000000000000000 x24: 0000000000000000
x23: ffff8000087f3638 x22: 0000000000000000 x21: 0000000000000000
x20: 0000000000000000 x19: ffff00019e0c3d00 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800011bcb318 x15: 0000000000000002
x14: 1ffff00002c84071 x13: dfff800000000000 x12: 0000000000080000
x11: 000000000007ffff x10: ffff8000282a9000 x9 : 0000000000000080
x8 : 00000000000000c0 x7 : ffff8000087f3638 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : ffff800011d2edc0 x0 : 0000000000000000
Call trace:
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 lock_acquire+0x250/0x63c kernel/locking/lockdep.c:5793
 __might_fault+0xc4/0x124 mm/memory.c:5850
 setup_sigframe arch/arm64/kernel/signal.c:805 [inline]
 setup_rt_frame arch/arm64/kernel/signal.c:994 [inline]
 handle_signal arch/arm64/kernel/signal.c:1035 [inline]
 do_signal arch/arm64/kernel/signal.c:1110 [inline]
 do_notify_resume+0xcfc/0x2c84 arch/arm64/kernel/signal.c:1148
 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/0x12c 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