rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10498 ticks this GP) idle=202c/1/0x4000000000000000 softirq=17192/17193 fqs=4139
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   872357          0            0
rcu: 	cputime:    33830      18609           58   ==> 52440(ms)
rcu: 	(t=10500 jiffies g=12041 q=2891 ncpus=2)
CPU: 0 UID: 0 PID: 6765 Comm: syz.0.259 Not tainted syzkaller #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:ieee80211_inform_bss+0x186/0x10a0
Code: 00 4c 89 74 24 28 45 0f b6 36 48 89 5c 24 38 4c 8d 7b 10 4c 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 d9 0a 00 00 41 8b 1f <45> 84 f6 74 62 4c 8b 74 24 10 4d 8d 7e 68 e8 d7 3d d4 f6 4c 89 f8
RSP: 0018:ffffc900000070c0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ad510872d8f98000
RDX: 0000000000000100 RSI: ffffffffffffffea RDI: 0000000000000000
RBP: ffffc900000071f0 R08: 0000000000000078 R09: 00000000000000f2
R10: dffffc0000000000 R11: fffff52000000dc4 R12: ffffc900000078a0
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff888134a26ab8
FS:  00007fa7dca166c0(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3b6c97 CR3: 000000010d70a000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000f0602
Call Trace:
 <IRQ>
 cfg80211_inform_single_bss_data+0xd05/0x1ac0
 cfg80211_inform_bss_data+0x1fb/0x3b30
 cfg80211_inform_bss_frame_data+0x3d7/0x730
 ieee80211_bss_info_update+0x746/0x9e0
 ieee80211_scan_rx+0x593/0xa20
 ieee80211_rx_list+0x201c/0x2a90
 ieee80211_rx_napi+0x1a8/0x3d0
 ieee80211_handle_queued_frames+0xe8/0x1f0
 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 ab 8a 14 f6 e8 76 e7 4b f6 fb bf 01 00 00 00 <e8> 5b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90007757840 EFLAGS: 00000286
RAX: ad510872d8f98000 RBX: 0000000000000000 RCX: ad510872d8f98000
RDX: 0000000000000007 RSI: ffffffff8d9ba1cf RDI: 0000000000000001
RBP: ffffc900077578e0 R08: ffffffff8fa3a937 R09: 1ffffffff1f47526
R10: dffffc0000000000 R11: fffffbfff1f47527 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000eeaf08
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:memset_orig+0x46/0xb0
Code: 75 74 48 89 d1 48 c1 e9 06 74 39 66 0f 1f 84 00 00 00 00 00 48 ff c9 48 89 07 48 89 47 08 48 89 47 10 48 89 47 18 48 89 47 20 <48> 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d8 0f 1f 84 00
RSP: 0018:ffffc900077579a0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff888108c4e000 RCX: 0000000000000008
RDX: 0000000000001000 RSI: 0000000000000000 RDI: ffff888108c4edc0
RBP: 0000000000000c40 R08: ffffffff8fa3a937 R09: 0000000000000000
R10: ffff888108c4e000 R11: fffffbfff1f47527 R12: ffff88801a442140
R13: ffff888108c4e000 R14: 0000000000000000 R15: 0000000000001000
 __kmalloc_noprof+0x248/0x4f0
 tomoyo_realpath_from_path+0xe3/0x5d0
 tomoyo_path_number_perm+0x1e8/0x5a0
 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: 0033:0x7fa7dbb8eba9
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:00007fa7dca16038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fa7dbdd5fa0 RCX: 00007fa7dbb8eba9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007fa7dbc11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa7dbdd6038 R14: 00007fa7dbdd5fa0 R15: 00007ffc33150e28
 </TASK>
sched: DL replenish lagged too much
