------------[ cut here ]------------
!chanctx_conf
WARNING: net/mac80211/tx.c:6509 at ieee80211_tx_skb_tid+0x3b8/0x480, CPU#1: syz.2.23485/28096
Modules linked in:
CPU: 1 UID: 0 PID: 28096 Comm: syz.2.23485 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: d7 42 f6 e9 b1 fe ff ff e8 35 2b 67 f6 90 0f 0b 90 e9 e2 fe ff ff e8 27 2b 67 f6 90 0f 0b 90 e9 2a fe ff ff e8 19 2b 67 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:ffffc9000f8be4b8 EFLAGS: 00010283
RAX: ffffffff8b608ec7 RBX: ffffffff8b608b3f RCX: 0000000000080000
RDX: ffffc90008149000 RSI: 00000000000203b8 RDI: 00000000000203b9
RBP: 00000000ffffffff R08: b800000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8ed5cbe0 R12: ffff8881b79bcec0
R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
FS:  00007fabfadb36c0(0000) GS:ffff8882a8ccc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000023c0 CR3: 000000019a34a000 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+0x146f/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: 0033:0x7fabf9f9e159
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:00007fabfadb3028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fabfa225fa0 RCX: 00007fabf9f9e159
RDX: 0000000004000000 RSI: 0000200000000200 RDI: 0000000000000003
RBP: 00007fabfa035024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fabfa226038 R14: 00007fabfa225fa0 R15: 00007ffde711e758
 </TASK>
