------------[ cut here ]------------
!chanctx_conf
WARNING: net/mac80211/tx.c:6482 at ieee80211_tx_skb_tid+0x46a/0x550 net/mac80211/tx.c:6482, CPU#0: syz.1.2123/11775
Modules linked in:
CPU: 0 UID: 0 PID: 11775 Comm: syz.1.2123 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
RIP: 0010:ieee80211_tx_skb_tid+0x46a/0x550 net/mac80211/tx.c:6482
Code: fc ff ff e8 b8 32 3d f7 e9 8f fc ff ff 4c 89 e7 e8 db 32 3d f7 e9 4e fd ff ff e8 a1 32 3d f7 e9 0b fe ff ff e8 17 a6 cc f6 90 <0f> 0b 90 e8 3e 63 80 00 31 ff 89 c3 89 c6 e8 73 a0 cc f6 85 db 75
RSP: 0018:ffffc9000faf7338 EFLAGS: 00010283
RAX: 0000000000004a10 RBX: ffff88804b0c8ec0 RCX: ffffc90006bd1000
RDX: 0000000000080000 RSI: ffffffff8b3dcf49 RDI: ffff8880316ca580
RBP: 00000000ffffffff R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff88804e5cbcc0 R14: 0000000000000007 R15: 0000000000000000
FS:  00007f8edfcc96c0(0000) GS:ffff8880d5bd6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000003000 CR3: 000000005e0b1000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ieee80211_tx_skb net/mac80211/ieee80211_i.h:2500 [inline]
 mesh_plink_frame_tx.isra.0+0xdf1/0x10d0 net/mac80211/mesh_plink.c:352
 mesh_plink_deactivate+0x271/0x340 net/mac80211/mesh_plink.c:408
 mesh_sta_cleanup+0x35/0x80 net/mac80211/mesh.c:173
 __cleanup_single_sta+0x5c0/0x730 net/mac80211/sta_info.c:167
 cleanup_single_sta net/mac80211/sta_info.c:192 [inline]
 __sta_info_destroy_part2+0x36a/0x500 net/mac80211/sta_info.c:1615
 __sta_info_flush+0x4f6/0x720 net/mac80211/sta_info.c:1744
 sta_info_flush net/mac80211/sta_info.h:983 [inline]
 ieee80211_do_stop+0x281/0x2bb0 net/mac80211/iface.c:535
 ieee80211_stop+0x165/0x2f0 net/mac80211/iface.c:868
 __dev_close_many+0x312/0x710 net/core/dev.c:1776
 __dev_close net/core/dev.c:1789 [inline]
 __dev_change_flags+0x307/0x850 net/core/dev.c:9762
 netif_change_flags+0x8d/0x160 net/core/dev.c:9827
 dev_change_flags+0xba/0x260 net/core/dev_api.c:68
 devinet_ioctl+0x110b/0x1f10 net/ipv4/devinet.c:1199
 inet_ioctl+0x3aa/0x3f0 net/ipv4/af_inet.c:1009
 sock_do_ioctl+0x118/0x280 net/socket.c:1325
 sock_ioctl+0x599/0x6b0 net/socket.c:1446
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8eded9e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8edfcc9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f8edf025fa0 RCX: 00007f8eded9e0d9
RDX: 0000200000000300 RSI: 0000000000008914 RDI: 0000000000000005
RBP: 00007f8edee35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8edf026038 R14: 00007f8edf025fa0 R15: 00007ffc73dc0c18
 </TASK>