rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10509 ticks this GP) idle=a5dc/1/0x4000000000000000 softirq=14339/14341 fqs=5245
	(t=10501 jiffies g=15177 q=34814 ncpus=2)
CPU: 1 PID: 5419 Comm: syz.0.348 Not tainted 6.1.140-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: f5 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ce 2e 4a f7 48 89 df e8 26 f4 4a f7 e8 91 f6 6d f7 fb bf 01 00 00 00 <e8> 36 71 3e f7 65 8b 05 d7 32 e9 75 85 c0 74 02 5b c3 e8 24 44 e7
RSP: 0018:ffffc9000d8cfcf0 EFLAGS: 00000286
RAX: 19621cb7bc614100 RBX: ffff888054a00940 RCX: 19621cb7bc614100
RDX: dffffc0000000000 RSI: ffffffff8a6c0000 RDI: 0000000000000001
RBP: ffffc9000d8cff10 R08: dffffc0000000000 R09: ffffed100a940129
R10: ffffed100a940129 R11: 1ffff1100a940128 R12: ffff8880605d1dc0
R13: 1ffff92001b19ffe R14: 1ffff92001b19fa8 R15: ffffc9000d8cfff0
FS:  00007fb1d7e2c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb1d71b5fa8 CR3: 0000000051385000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __ia32_sys_rt_sigreturn+0x184/0x790 arch/x86/kernel/signal.c:673
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb1d6f2ab39
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:00007fb1d7e2bb40 EFLAGS: 00000246 ORIG_RAX: 000000000000000f
RAX: ffffffffffffffda RBX: 00007fb1d71b5fa8 RCX: 00007fb1d6f2ab39
RDX: 00007fb1d7e2bb40 RSI: 00007fb1d7e2bc70 RDI: 0000000000000011
RBP: 00007fb1d71b5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb1d71b5fac
R13: 0000000000000000 R14: 00007ffc09e0f950 R15: 00007ffc09e0fa38
 </TASK>