rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=4acc/1/0x4000000000000000 softirq=16318/16320 fqs=4372
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   976596          0            0
rcu: 	cputime:    24289      28200           90   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=9681 q=1717 ncpus=2)
CPU: 1 UID: 0 PID: 6542 Comm: syz.2.192 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-dirty #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:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 cb 9e 56 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 13 cd 1f f6 65 8b 05 bc f9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900001e0c20 EFLAGS: 00000206
RAX: 12b66f1b8b3be300 RBX: 0000000000000a06 RCX: 12b66f1b8b3be300
RDX: 0000000000000003 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc900001e0ca0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: ffff8880399f8908 R14: ffff88810b8796a0 R15: 1ffff9200003c184
FS:  00007f0abb1cd6c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2ffe31 CR3: 0000000121710000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 skb_dequeue+0x10e/0x150
 ieee80211_handle_queued_frames+0x63/0x1f0
 tasklet_action_common+0x36c/0x580
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+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:ffffc9000718f8a0 EFLAGS: 00000286
RAX: 12b66f1b8b3be300 RBX: 0000000000000000 RCX: 12b66f1b8b3be300
RDX: 0000000000000007 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc9000718f950 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000e31f14
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:kasan_quarantine_put+0x88/0x220
Code: e8 ad 5a a4 ff 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 0f 85 88 00 00 00 41 f7 c7 00 02 00 00 74 01 fb 31 c0 <48> 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f e9 06 09 4e 09 cc 48 8d 80
RSP: 0018:ffffc9000718fa18 EFLAGS: 00000206
RAX: 12b66f1b8b3be301 RBX: ffff888106bc4000 RCX: 12b66f1b8b3be300
RDX: 0000000000000007 RSI: ffffffff8d99883e RDI: ffffffff8be29f40
RBP: 0000000000000000 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff88801a4418c0
R13: 0000000000000000 R14: 00000000000aa5a0 R15: 0000000000000286
 kfree+0x18e/0x440
 tomoyo_path_number_perm+0x47a/0x5a0
 tomoyo_path_mkdir+0xa8/0xe0
 security_path_mkdir+0x171/0x380
 do_mkdirat+0x1bd/0x590
 __x64_sys_mkdir+0x6c/0x80
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0aba38e9a9
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:00007f0abb1cd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f0aba5b5fa0 RCX: 00007f0aba38e9a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007f0aba410d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0aba5b5fa0 R15: 00007ffce42c95f8
 </TASK>
sched: DL replenish lagged too much
