syzbot

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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#0: kworker/u8:32/12352
WARNING: net/mac80211/driver-ops.h:1723 at ieee80211_set_active_links+0x2d0/0x9a0 net/mac80211/link.c:614, CPU#0: kworker/u8:32/12352
Modules linked in:
CPU: 0 UID: 0 PID: 12352 Comm: kworker/u8:32 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
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+0x2d7/0x9a0 net/mac80211/link.c:614
Code: 05 00 00 e8 7b e8 09 f7 48 8b 34 24 48 81 c6 20 01 00 00 48 89 34 24 e8 67 e8 09 f7 48 8d 3d a0 ae ea 05 48 8b 34 24 44 89 fa <67> 48 0f b9 3a e9 e0 fe ff ff e8 4a e8 09 f7 0f b7 c5 4c 8d bb c8
RSP: 0018:ffffc90003997ae8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802920eb78 RCX: ffffffff8afdff1e
RDX: 0000000000000000 RSI: ffff88802920c120 RDI: ffffffff90e8ae20
RBP: 0000000000000006 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88802920d878
R13: 0000000000000000 R14: ffff888029670f20 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88812437d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2dbe5ff8 CR3: 0000000067036000 CR4: 00000000003526f0
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+0x410/0x570 net/wireless/core.c:513
 process_one_work+0xa0e/0x1980 kernel/workqueue.c:3302
 process_scheduled_works kernel/workqueue.c:3385 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3466
 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 7b       	add    $0x7be80000,%eax
   5:	e8 09 f7 48 8b       	call   0x8b48f713
   a:	34 24                	xor    $0x24,%al
   c:	48 81 c6 20 01 00 00 	add    $0x120,%rsi
  13:	48 89 34 24          	mov    %rsi,(%rsp)
  17:	e8 67 e8 09 f7       	call   0xf709e883
  1c:	48 8d 3d a0 ae ea 05 	lea    0x5eaaea0(%rip),%rdi        # 0x5eaaec3
  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 4a e8 09 f7       	call   0xf709e883
  39:	0f b7 c5             	movzwl %bp,%eax
  3c:	4c                   	rex.WR
  3d:	8d                   	.byte 0x8d
  3e:	bb                   	.byte 0xbb
  3f:	c8                   	.byte 0xc8