------------[ cut here ]------------
wlan1: Failed check-sdata-in-driver check, flags: 0x1
WARNING: CPU: 0 PID: 13849 at net/mac80211/driver-ops.c:366 drv_unassign_vif_chanctx+0x50b/0x7e0
Modules linked in:
CPU: 0 UID: 0 PID: 13849 Comm: syz.1.2153 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:drv_unassign_vif_chanctx+0x50b/0x7e0
Code: 8d 8d b8 09 00 00 48 85 c0 48 0f 44 f1 43 0f b6 04 3e 84 c0 0f 85 6b 02 00 00 8b 55 00 48 c7 c7 e0 37 b0 8c e8 36 d5 9a f6 90 <0f> 0b 90 90 e9 ee fc ff ff e8 87 36 d7 f6 90 0f 0b 90 42 80 7c 3d
RSP: 0018:ffffc900031af910 EFLAGS: 00010246
RAX: 5fddb84f9b677600 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90008b99000 RSI: 0000000000004609 RDI: 000000000000460a
RBP: ffff888027891728 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: ffff8880278929d0
R13: ffff888027890d80 R14: 1ffff11004f122e5 R15: dffffc0000000000
FS:  00007f6895e766c0(0000) GS:ffff8880b8616000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3221cff8 CR3: 0000000030f5a000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ieee80211_assign_link_chanctx+0x1ec/0xd70
 __ieee80211_link_release_channel+0x33b/0x4a0
 ieee80211_if_change_type+0x14c/0x990
 ieee80211_change_iface+0xd5/0x510
 cfg80211_change_iface+0x795/0xef0
 cfg80211_wext_siwmode+0x1db/0x2b0
 ioctl_standard_call+0xcb/0x1b0
 wext_ioctl_dispatch+0xee/0x410
 wext_handle_ioctl+0x100/0x1c0
 sock_ioctl+0x15f/0x790
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6894f8ebe9
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:00007f6895e76038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f68951c6090 RCX: 00007f6894f8ebe9
RDX: 0000200000000000 RSI: 0000000000008b06 RDI: 0000000000000008
RBP: 00007f6895011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f68951c6128 R14: 00007f68951c6090 R15: 00007fffb4080448
 </TASK>
