rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=9b9c/1/0x4000000000000000 softirq=13875/13876 fqs=3882
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1136655          0            0
rcu: 	cputime:    28610      23876           88   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=7049 q=3425 ncpus=2)
CPU: 0 UID: 0 PID: 5941 Comm: syz.2.10 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:kasan_record_aux_stack+0xae/0xd0
Code: 0f af c7 48 01 c6 48 39 f3 77 03 48 89 de 4c 89 f7 e8 66 01 f5 ff 49 63 8e bc 00 00 00 48 85 c9 74 1a 48 01 c8 74 15 8b 48 08 <89> 48 0c 31 ff 31 f6 48 89 c3 e8 83 ce ff ff 89 43 08 5b 41 5e c3
RSP: 0018:ffffc90000006fd8 EFLAGS: 00000282
RAX: ffff888030eeb6e0 RBX: ffff888030eeb680 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff888030eeb680 RDI: ffff88801a441280
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff81748958
R10: dffffc0000000000 R11: fffffbfff1f47007 R12: ffff888030eeb688
R13: ffffc90000007280 R14: ffff88801a441280 R15: ffff888030eeb680
FS:  00007fb52a3356c0(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32220ff8 CR3: 000000010a4de000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 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:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 2f c7 ea 09 e8 5a 3f 36 00 fb 4c 8b 65 c0 <49> 8d bc 24 18 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc9000385f2b8 EFLAGS: 00000286
RAX: 5cae817ab19c8300 RBX: 0000000000000000 RCX: 5cae817ab19c8300
RDX: 0000000000000000 RSI: ffffffff8d9b6a7d RDI: ffffffff8be33300
RBP: ffffc9000385f310 R08: ffffffff8fa38037 R09: 1ffffffff1f47006
R10: dffffc0000000000 R11: fffffbfff1f47007 R12: ffff888023ff5640
R13: dffffc0000000000 R14: ffff88810cb70000 R15: ffff88804b03ab58
 __schedule+0x17a0/0x4cc0
 schedule+0x165/0x360
 schedule_timeout+0x9a/0x270
 unix_stream_read_generic+0x18a6/0x2480
 unix_stream_recvmsg+0x15d/0x1b0
 sock_recvmsg+0x22c/0x270
 ____sys_recvmsg+0x1c9/0x460
 ___sys_recvmsg+0x1b5/0x510
 __x64_sys_recvmsg+0x198/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb52958eba9
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:00007fb52a335038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007fb5297d5fa0 RCX: 00007fb52958eba9
RDX: 0000000000000000 RSI: 0000200000000400 RDI: 0000000000000005
RBP: 00007fb529611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb5297d6038 R14: 00007fb5297d5fa0 R15: 00007ffca2c21348
 </TASK>
