WARNING in ieee80211_probe

WARNING in ieee80211_probe_client
Status: upstream: reported C repro on 2020/10/25 13:44
Reported-by: syzbot+217336bcb926931610d8@syzkaller.appspotmail.com
First crash: 123d, last: 4d05h

similar bugs (2):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING in ieee80211_probe_client	C	done		25	6d03h	142d	0/21	upstream: reported C repro on 2020/10/06 08:08
linux-4.19	WARNING in ieee80211_probe_client	C			2	3d23h	95d	0/1	upstream: reported C repro on 2020/11/22 04:36

Sample crash report:

wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
------------[ cut here ]------------
WARNING: CPU: 1 PID: 8003 at net/mac80211/cfg.c:3392 ieee80211_probe_client+0x657/0x751 net/mac80211/cfg.c:3392
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 8003 Comm: syz-executor166 Not tainted 4.14.204-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x4b kernel/panic.c:547
 report_bug+0x208/0x249 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:ieee80211_probe_client+0x657/0x751 net/mac80211/cfg.c:3392
RSP: 0018:ffff8880b2fe7670 EFLAGS: 00010297
RAX: ffff8880b4ae4600 RBX: ffff8880930c0a80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000282
RBP: ffff888096a4dca0 R08: 0000000000000000 R09: 0000000000020012
R10: ffff8880b4ae4f28 R11: ffff8880b4ae4600 R12: ffff8880a1849120
R13: 0000000000000000 R14: ffff888096a4dc9c R15: ffff8880a1848b40
 rdev_probe_client net/wireless/rdev-ops.h:882 [inline]
 nl80211_probe_client+0x348/0xb80 net/wireless/nl80211.c:11067
 genl_family_rcv_msg+0x572/0xb20 net/netlink/genetlink.c:600
 genl_rcv_msg+0xaf/0x140 net/netlink/genetlink.c:625
 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:636
 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
 netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x441939
RSP: 002b:00007fffb7410078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441939
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 000000306e616c77 R08: 0000001300000000 R09: 0000001300000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032
R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004
Kernel Offset: disabled
Rebooting in 86400 seconds..

Fix bisection attempts:
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro
ci2-linux-4-14	2021/02/21 11:33	linux-4.14.y	29c52025	cba33199	.config	log	report	syz	C
ci2-linux-4-14	2021/01/07 18:17	linux-4.14.y	17529385	cba33199	.config	log	report	syz	C
ci2-linux-4-14	2020/12/08 17:52	linux-4.14.y	47cbf4cc	cba33199	.config	log	report	syz	C

Crashes (3):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info
ci2-linux-4-14	2020/11/08 17:07	linux-4.14.y	6b6446ef	cba33199	.config	log	report	syz	C
ci2-linux-4-14	2020/10/27 09:04	linux-4.14.y	5b7a52cd	8b3eaf58	.config	log	report	syz	C
ci2-linux-4-14	2020/10/25 13:43	linux-4.14.y	5b7a52cd	a1839e81	.config	log	report			info