rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10438 ticks this GP) idle=6b6c/1/0x4000000000000000 softirq=22301/38917 fqs=4663
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   945379      12800            0
rcu: 	cputime:    24371      27959          219   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=15541 q=3600 ncpus=2)
CPU: 0 UID: 0 PID: 7426 Comm: syz.1.456 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:note_gp_changes+0x25f/0x300
Code: 1f 00 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 f6 44 24 41 02 75 4f 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 20 0e 36 e0 45 <4a> c7 04 2b 00 00 00 00 66 42 c7 44 2b 09 00 00 42 c6 44 2b 0b 00
RSP: 0018:ffffc90000007b00 EFLAGS: 00000206
RAX: 875722d40bffe300 RBX: 1ffff92000000f64 RCX: 875722d40bffe300
RDX: 0000000000000003 RSI: ffffffff8d998836 RDI: ffffffff8be29f40
RBP: ffffc90000007bd0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff88804b03afd4
R13: dffffc0000000000 R14: 0000000000000a02 R15: ffff88804b03afc0
FS:  00007f9ee549f6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000002f1a0000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rcu_core+0x29d/0x1710
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc900044cf860 EFLAGS: 00000286
RAX: 875722d40bffe300 RBX: 0000000000000000 RCX: 875722d40bffe300
RDX: 0000000000000007 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc900044cf910 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000899f0c
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:ktime_get_real_seconds+0x4/0x20
Code: e9 51 8c c2 09 cc e8 9b 51 11 00 90 0f 0b 90 eb e7 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <e8> 77 51 11 00 48 8b 05 30 bc 00 18 e9 1b 8c c2 09 cc 66 2e 0f 1f
RSP: 0018:ffffc900044cf9d8 EFLAGS: 00000206
RAX: ffffffff84769c01 RBX: 0000000000000000 RCX: ffffffff84769c75
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff99c70a44
RBP: ffffc900044cfbf0 R08: ffffffff99c70a47 R09: 1ffffffff338e148
R10: dffffc0000000000 R11: fffffbfff338e149 R12: 0000000000000001
R13: ffffc900044cfac0 R14: 1ffff92000899f9d R15: ffffc900044cfcec
 tomoyo_supervisor+0x213/0x1480
 tomoyo_path_number_perm+0x438/0x5a0
 security_file_ioctl+0xcb/0x2d0
 __se_sys_ioctl+0x47/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9ee458e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9ee549f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f9ee47b5fa0 RCX: 00007f9ee458e9a9
RDX: 0000200000000080 RSI: 00000000400454ca RDI: 0000000000000007
RBP: 00007f9ee4610d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9ee47b5fa0 R15: 00007ffc0995cc38
 </TASK>
