syzbot

mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
wlan1: No basic rates, using min rate instead
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5491 at net/mac80211/mlme.c:1129 ieee80211_determine_chan_mode net/mac80211/mlme.c:1129 [inline]
WARNING: CPU: 0 PID: 5491 at net/mac80211/mlme.c:1129 ieee80211_prep_channel+0x49d2/0x6130 net/mac80211/mlme.c:6059
Modules linked in:
CPU: 0 UID: 0 PID: 5491 Comm: syz.0.17 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+0x49d2/0x6130 net/mac80211/mlme.c:6059
Code: 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 25 05 4a f7 48 83 3b 00 0f 84 96 04 00 00 e8 d6 dc e2 f6 eb 3c e8 cf dc e2 f6 90 <0f> 0b 90 e9 26 01 00 00 e8 c1 dc e2 f6 c6 05 28 dc ab 04 01 48 c7
RSP: 0018:ffffc90002a7e460 EFLAGS: 00010293
RAX: ffffffff8adc3701 RBX: 0000000000000000 RCX: ffff8880006d4900
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002a7e840 R08: ffff8880006d4900 R09: 000000000000000e
R10: 000000000000000d R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff1100b32f501 R14: ffffc90002a7e710 R15: ffff88805997a808
FS:  000055558b8f6500(0000) GS:ffff88808d30c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f234f6ae368 CR3: 0000000056345000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ieee80211_prep_connection+0xdd9/0x13f0 net/mac80211/mlme.c:9030
 ieee80211_mgd_auth+0xee6/0x1770 net/mac80211/mlme.c:9320
 rdev_auth net/wireless/rdev-ops.h:486 [inline]
 cfg80211_mlme_auth+0x62f/0x9c0 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+0x1862/0x21a0 net/wireless/sme.c:1527
 nl80211_connect+0x17bc/0x1cd0 net/wireless/nl80211.c:13299
 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:2552
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x505/0x830 net/socket.c:2630
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684
 __sys_sendmsg net/socket.c:2716 [inline]
 __do_sys_sendmsg net/socket.c:2721 [inline]
 __se_sys_sendmsg net/socket.c:2719 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2719
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f36b458eec9
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:00007fff27090638 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f36b47e5fa0 RCX: 00007f36b458eec9
RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000003
RBP: 00007f36b4611f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f36b47e5fa0 R14: 00007f36b47e5fa0 R15: 0000000000000003
 </TASK>