rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10501 ticks this GP) idle=754c/1/0x4000000000000000 softirq=110393/110406 fqs=4847
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1276718          6            0
rcu: 	cputime:    33760      18729           40   ==> 52490(ms)
rcu: 	(t=10501 jiffies g=95537 q=2575 ncpus=2)
CPU: 0 UID: 0 PID: 23077 Comm: syz.4.5861 Not tainted 6.16.0-syzkaller-12063-g37816488247d-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:unwind_next_frame+0x214/0x2390
Code: ef 08 8b 15 1e 0f 4b 0c 8d 42 ff 44 39 f8 0f 86 65 18 00 00 44 89 f8 4c 8d 2c 85 c0 bf df 90 4c 89 e8 48 c1 e8 03 0f b6 04 28 <84> c0 48 89 eb 0f 85 1c 1c 00 00 45 8b 6d 00 44 89 f8 ff c0 48 8d
RSP: 0018:ffffc90000006b98 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: 0000000000000001 RCX: eb939fb015a01600
RDX: 00000000000a7c85 RSI: ffffffff8be32660 RDI: ffffffff8be32620
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8172c195
R10: ffffc90000006cb8 R11: ffffffff81ac3890 R12: ffffffff8ae58b27
R13: ffffffff910755ec R14: ffffc90000006c68 R15: 000000000009e58b
FS:  00007f90aec3b6c0(0000) GS:ffff8880b8621000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f90aec1ad58 CR3: 0000000116256000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 kvfree_call_rcu+0xbb/0x410
 cfg80211_update_known_bss+0x634/0x1330
 __cfg80211_bss_update+0x147/0x2120
 cfg80211_inform_single_bss_data+0xba9/0x1ac0
 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:trace_call_bpf+0x5e5/0x850
Code: ff 0d 9f fc d5 10 48 c7 44 24 60 0e 36 e0 45 48 b8 00 00 00 00 00 fc ff df 49 c7 44 05 00 00 00 00 00 65 48 8b 05 cb e7 d4 10 <48> 3b 84 24 a0 00 00 00 0f 85 4c 02 00 00 44 89 f8 48 8d 65 d8 5b
RSP: 0018:ffffc900032af6c0 EFLAGS: 00000246
RAX: eb939fb015a01600 RBX: 0000000000000001 RCX: eb939fb015a01600
RDX: 0000000000000007 RSI: ffffffff8b905f00 RDI: ffffffff8be32680
RBP: ffffc900032af7b8 R08: ffffffff8fa34737 R09: 1ffffffff1f468e6
R10: dffffc0000000000 R11: fffffbfff1f468e7 R12: 00000000000002e5
R13: 1ffff92000655ee4 R14: ffffffff81cb0327 R15: 0000000000000001
 perf_trace_run_bpf_submit+0x78/0x170
 perf_trace_lock+0x2f8/0x3b0
 lock_release+0x3b2/0x3e0
 up_read+0x16/0x20
 kernfs_iop_permission+0x308/0x430
 inode_permission+0x285/0x470
 link_path_walk+0x232/0xea0
 __filename_parentat+0x246/0x670
 filename_create+0xd2/0x3c0
 do_mkdirat+0xa0/0x590
 __x64_sys_mkdir+0x6c/0x80
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f90add8ebe9
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:00007f90aec3b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f90adfb5fa0 RCX: 00007f90add8ebe9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007f90ade11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f90adfb6038 R14: 00007f90adfb5fa0 R15: 00007ffd5f10cc98
 </TASK>
