------------[ cut here ]------------
!chanctx_conf
WARNING: net/mac80211/tx.c:6509 at ieee80211_tx_skb_tid+0x3b8/0x480, CPU#1: syz.3.2072/10849
Modules linked in:
CPU: 1 UID: 0 PID: 10849 Comm: syz.3.2072 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:ieee80211_tx_skb_tid+0x3b8/0x480
Code: 79 44 f6 e9 b1 fe ff ff e8 c5 ca 68 f6 90 0f 0b 90 e9 e2 fe ff ff e8 b7 ca 68 f6 90 0f 0b 90 e9 2a fe ff ff e8 a9 ca 68 f6 90 <0f> 0b 90 e8 10 b2 fd ff 31 ff 48 8b 34 24 ba 02 00 00 00 48 83 c4
RSP: 0018:ffffc90020d5e4b8 EFLAGS: 00010287
RAX: ffffffff8b5eec07 RBX: ffffffff8b5ee87f RCX: 0000000000080000
RDX: ffffc90004bb9000 RSI: 0000000000002755 RDI: 0000000000002756
RBP: 00000000ffffffff R08: c200000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8ed5c6e0 R12: ffff8881be62cec0
R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
FS:  00007fce3f6b46c0(0000) GS:ffff8882a8cda000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fce3f6b3ff8 CR3: 000000017994c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 mesh_plink_frame_tx+0x73d/0xc30
 mesh_plink_deactivate+0x18b/0x2f0
 mesh_sta_cleanup+0x42/0x150
 cleanup_single_sta+0x3ff/0x660
 __sta_info_flush+0x5bb/0x700
 ieee80211_do_stop+0x3cd/0x2410
 ieee80211_stop+0x1ab/0x200
 __dev_close_many+0x366/0x6e0
 __dev_change_flags+0x3f5/0x820
 netif_change_flags+0x7c/0x1b0
 do_setlink+0xdd6/0x4670
 rtnl_newlink+0x15a3/0x1c30
 rtnetlink_rcv_msg+0x802/0xc00
 netlink_rcv_skb+0x226/0x4a0
 netlink_unicast+0x7bd/0x940
 netlink_sendmsg+0x813/0xb40
 sock_sendmsg_nosec+0x13a/0x180
 ____sys_sendmsg+0x54e/0x850
 ___sys_sendmsg+0x2a5/0x360
 __x64_sys_sendmsg+0x1b1/0x290
 do_syscall_64+0x166/0x520
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fce3e79e159
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:00007fce3f6b4028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fce3ea25fa0 RCX: 00007fce3e79e159
RDX: 0000000000000004 RSI: 0000200000000280 RDI: 0000000000000003
RBP: 00007fce3e83506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fce3ea26038 R14: 00007fce3ea25fa0 R15: 00007ffc56b57728
 </TASK>
