rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=ae74/1/0x4000000000000000 softirq=170999/171005 fqs=4442
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1065183          0            0
rcu: 	cputime:    39348      13131           49   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=145917 q=1756 ncpus=2)
CPU: 0 UID: 0 PID: 4454 Comm: syz.4.10259 Not tainted 6.16.0-syzkaller-11113-gf3af62b6cee8 #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:rcu_is_watching+0x3a/0xb0
Code: e8 2b 1f d1 09 89 c3 83 f8 08 73 65 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd 10 8d bd 8d 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 6c 98 7c 00 48 c7 c3 98 8f a0 92 49 03 1e 48 89
RSP: 0018:ffffc90000006b78 EFLAGS: 00000246
RAX: 1ffffffff1b7b1a2 RBX: 0000000000000000 RCX: 8c377696f19bb200
RDX: 0000000000000000 RSI: ffffffff8be2fce0 RDI: ffffffff8be2fca0
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8172c025
R10: dffffc0000000000 R11: fffff91fe28d2862 R12: 1ffff92000000d8d
R13: ffffc90000006ca0 R14: ffffffff8dbd8d10 R15: dffffc0000000000
FS:  00007fab19cc36c0(0000) GS:ffff8880b862a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000f000 CR3: 000000003070c000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0xd4/0x2390
 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:__sanitizer_cov_trace_pc+0x37/0x70
Code: 08 60 9f 92 65 8b 15 28 c1 df 10 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 3c 16 00 00 00 74 2c 8b 91 18 16 00 00 <83> fa 02 75 21 48 8b 91 20 16 00 00 48 8b 32 48 8d 7e 01 8b 89 1c
RSP: 0018:ffffc900034d7938 EFLAGS: 00000246
RAX: ffffffff81caeedb RBX: 0000000000000001 RCX: ffff88801caf8000
RDX: 0000000000000000 RSI: ffffffff8be2fce0 RDI: ffffffff8be2fca0
RBP: ffffc900034d7a38 R08: ffffc900034d79cf R09: 0000000000000000
R10: ffffc900034d79c0 R11: ffffffffa00008cc R12: 0000000000000000
R13: 1ffff9200069af34 R14: ffffffff81caeab7 R15: 0000000000000000
 trace_call_bpf+0x4db/0x850
 perf_trace_run_bpf_submit+0x78/0x170
 perf_trace_lock_acquire+0x335/0x410
 lock_acquire+0x311/0x360
 percpu_ref_get_many+0x35/0x140
 __memcg_slab_post_alloc_hook+0x522/0x7f0
 kmem_cache_alloc_lru_noprof+0x2c7/0x3d0
 sock_alloc_inode+0x28/0xc0
 alloc_inode+0x6a/0x1b0
 __sock_create+0x12d/0x9f0
 __sys_socketpair+0x23a/0x560
 __x64_sys_socketpair+0x9b/0xb0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fab18d8ebe9
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:00007fab19cc3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007fab18fb5fa0 RCX: 00007fab18d8ebe9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 00007fab18e11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000200000000680 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fab18fb6038 R14: 00007fab18fb5fa0 R15: 00007ffdad5fd718
 </TASK>
