rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=c6d4/1/0x4000000000000000 softirq=38256/38256 fqs=4984
	(t=10500 jiffies g=51925 q=34364 ncpus=2)
CPU: 1 PID: 10127 Comm: syz.7.1384 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:clear_restore_sigmask include/linux/sched/signal.h:528 [inline]
RIP: 0010:signal_delivered kernel/signal.c:2902 [inline]
RIP: 0010:signal_setup_done+0x167/0x490 kernel/signal.c:2919
Code: f8 f8 e9 51 02 00 00 41 89 de 4c 89 6c 24 10 65 4c 8b 2d cc 5a b0 7e 49 8d bd 70 05 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 20 <84> c0 4c 89 e3 0f 85 8c 02 00 00 41 80 a5 70 05 00 00 f7 4c 89 6c
RSP: 0018:ffffc90003397b40 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000002
RDX: ffff88807c85d940 RSI: 0000000000000000 RDI: ffff88807c85deb0
RBP: ffffc90003397c90 R08: ffff88801772cc07 R09: 1ffff11002ee5980
R10: dffffc0000000000 R11: ffffed1002ee5981 R12: dffffc0000000000
R13: ffff88807c85d940 R14: 0000000000000000 R15: ffffc90003397de0
FS:  00007f14e75cd6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000006b000 CR3: 000000005f6c6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000006800 DR2: 0000000000009951
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 handle_signal arch/x86/kernel/signal.c:846 [inline]
 arch_do_signal_or_restart+0xf83/0x1350 arch/x86/kernel/signal.c:873
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f14e67ba510
Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d 4a 26 07 00 e8 e5 65 f9 ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48
RSP: 002b:00007f14e75ccb38 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f14e6a15fa8 RCX: 00007f14e679af79
RDX: 00007f14e75ccb40 RSI: 00007f14e75ccc70 RDI: 0000000000000021
RBP: 00007f14e6a15fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f14e6a16038 R14: 00007ffd9f4f3a70 R15: 00007ffd9f4f3b58
 </TASK>