------------[ cut here ]------------
wlan0: Failed check-sdata-in-driver check, flags: 0x0
WARNING: net/mac80211/driver-ops.h:1723 at drv_can_activate_links net/mac80211/driver-ops.h:1723 [inline], CPU#1: kworker/u33:0/36
WARNING: net/mac80211/driver-ops.h:1723 at ieee80211_set_active_links+0x2d0/0x970 net/mac80211/link.c:651, CPU#1: kworker/u33:0/36
Modules linked in:
CPU: 1 UID: 0 PID: 36 Comm: kworker/u33:0 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:drv_can_activate_links net/mac80211/driver-ops.h:1723 [inline]
RIP: 0010:ieee80211_set_active_links+0x2d7/0x970 net/mac80211/link.c:651
Code: 05 00 00 e8 6b 5a db f6 48 8b 34 24 48 81 c6 20 01 00 00 48 89 34 24 e8 57 5a db f6 48 8d 3d b0 4d 05 06 48 8b 34 24 44 89 fa <67> 48 0f b9 3a e9 e0 fe ff ff e8 3a 5a db f6 0f b7 c5 4c 8d bb 50
RSP: 0018:ffffc900005f7af8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8880293f6c70 RCX: ffffffff8b2e752e
RDX: 0000000000000000 RSI: ffff8880293f4120 RDI: ffffffff9133c340
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880293f5928
R13: 0000000000000000 R14: ffff888042370f40 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888096ce6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000c2c5330 CR3: 000000005f899000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000002
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_if_parse_active_links+0xbb/0x120 net/mac80211/debugfs_netdev.c:732
 wiphy_locked_debugfs_write_work+0xe6/0x1c0 net/wireless/debugfs.c:248
 cfg80211_wiphy_work+0x2b7/0x550 net/wireless/core.c:538
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	05 00 00 e8 6b       	add    $0x6be80000,%eax
   5:	5a                   	pop    %rdx
   6:	db f6                	fcomi  %st(6),%st
   8:	48 8b 34 24          	mov    (%rsp),%rsi
   c:	48 81 c6 20 01 00 00 	add    $0x120,%rsi
  13:	48 89 34 24          	mov    %rsi,(%rsp)
  17:	e8 57 5a db f6       	call   0xf6db5a73
  1c:	48 8d 3d b0 4d 05 06 	lea    0x6054db0(%rip),%rdi        # 0x6054dd3
  23:	48 8b 34 24          	mov    (%rsp),%rsi
  27:	44 89 fa             	mov    %r15d,%edx
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 e0 fe ff ff       	jmp    0xffffff14
  34:	e8 3a 5a db f6       	call   0xf6db5a73
  39:	0f b7 c5             	movzwl %bp,%eax
  3c:	4c                   	rex.WR
  3d:	8d                   	.byte 0x8d
  3e:	bb                   	.byte 0xbb
  3f:	50                   	push   %rax