syzbot

mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
wlan1: disassociating from 08:02:11:00:00:00 by local choice (Reason: 52=MESH_PEER_CANCELED)
------------[ cut here ]------------
WARNING: net/mac80211/mlme.c:1129 at ieee80211_determine_chan_mode net/mac80211/mlme.c:1129 [inline], CPU#0: syz.0.0/5339
WARNING: net/mac80211/mlme.c:1129 at ieee80211_prep_channel+0x4984/0x61d0 net/mac80211/mlme.c:6054, CPU#0: syz.0.0/5339
Modules linked in:
CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ieee80211_determine_chan_mode net/mac80211/mlme.c:1129 [inline]
RIP: 0010:ieee80211_prep_channel+0x4984/0x61d0 net/mac80211/mlme.c:6054
Code: 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 a3 65 3e f7 48 83 3b 00 0f 84 f2 04 00 00 e8 b4 ba d6 f6 eb 3c e8 ad ba d6 f6 90 <0f> 0b 90 e9 26 01 00 00 e8 9f ba d6 f6 c6 05 74 0d 82 04 01 48 c7
RSP: 0018:ffffc9000cd16460 EFLAGS: 00010283
RAX: ffffffff8aea4a73 RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc90020e42000 RSI: 000000000000045d RDI: 000000000000045e
RBP: ffffc9000cd16840 R08: ffff8880006e24c0 R09: 000000000000000e
R10: 000000000000000d R11: 0000000000000002 R12: dffffc0000000000
R13: 1ffff110024b5cfd R14: ffffc9000cd16710 R15: ffff8880125ae7e8
FS:  00007f32a9df56c0(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f32ae717d60 CR3: 0000000042799000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ieee80211_prep_connection+0xdd9/0x13f0 net/mac80211/mlme.c:9038
 ieee80211_mgd_auth+0xed6/0x1750 net/mac80211/mlme.c:9328
 rdev_auth net/wireless/rdev-ops.h:486 [inline]
 cfg80211_mlme_auth+0x5e4/0x980 net/wireless/mlme.c:291
 cfg80211_conn_do_work+0x501/0xd10 net/wireless/sme.c:182
 cfg80211_sme_connect net/wireless/sme.c:625 [inline]
 cfg80211_connect+0x182c/0x2170 net/wireless/sme.c:1527
 nl80211_connect+0x17bc/0x1cd0 net/wireless/nl80211.c:13304
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x505/0x820 net/socket.c:2592
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2646
 __sys_sendmsg net/socket.c:2678 [inline]
 __do_sys_sendmsg net/socket.c:2683 [inline]
 __se_sys_sendmsg net/socket.c:2681 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2681
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f32ad98f7c9
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:00007f32a9df5038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f32adbe5fa0 RCX: 00007f32ad98f7c9
RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000004
RBP: 00007f32ada13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f32adbe6038 R14: 00007f32adbe5fa0 R15: 00007ffdbd3620a8
 </TASK>