WARNING in ieee80211_probe

WARNING in ieee80211_probe_client
Status: upstream: reported C repro on 2020/10/06 08:08
Reported-by: syzbot+999fac712d84878a7379@syzkaller.appspotmail.com
First crash: 191d, last: 8d14h

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in sysfs_warn_dup (log)
Repro: C syz .config

similar bugs (2):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.14	WARNING in ieee80211_probe_client	C			3	22d	171d	0/1	upstream: reported C repro on 2020/10/25 13:44
linux-4.19	WARNING in ieee80211_probe_client	C			2	22d	144d	0/1	upstream: reported C repro on 2020/11/22 04:36

Sample crash report:

------------[ cut here ]------------
WARNING: CPU: 0 PID: 8382 at net/mac80211/cfg.c:3614 ieee80211_probe_client+0x561/0x6e0 net/mac80211/cfg.c:3614
Modules linked in:
CPU: 1 PID: 8382 Comm: syz-executor239 Not tainted 5.12.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ieee80211_probe_client+0x561/0x6e0 net/mac80211/cfg.c:3614
Code: 1b b1 04 01 48 c7 c7 84 fc 81 8b be 1d 0e 00 00 48 c7 c2 20 a8 f3 8a e8 4d 8b 6b f8 48 85 ed 0f 85 fd fb ff ff e8 bf 9f 87 f8 <0f> 0b bb ea ff ff ff e9 39 ff ff ff 89 e9 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000134f898 EFLAGS: 00010293
RAX: ffffffff88f16e91 RBX: 0000000000000001 RCX: ffff88801ea59c40
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff88f16a73 R09: fffffbfff1f296b1
R10: fffffbfff1f296b1 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffc9000134f938 R14: ffff888012894020 R15: ffff88802911a7c0
FS:  00000000010b1300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000200 CR3: 00000000189f4000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rdev_probe_client net/wireless/rdev-ops.h:919 [inline]
 nl80211_probe_client+0x2ae/0x5b0 net/wireless/nl80211.c:12959
 genl_family_rcv_msg_doit net/netlink/genetlink.c:739 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0xe4e/0x1280 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2502
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline]
 netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1338
 netlink_sendmsg+0x9ae/0xd50 net/netlink/af_netlink.c:1927
 sock_sendmsg_nosec net/socket.c:654 [inline]
 sock_sendmsg net/socket.c:674 [inline]
 ____sys_sendmsg+0x519/0x800 net/socket.c:2350
 ___sys_sendmsg net/socket.c:2404 [inline]
 __sys_sendmsg+0x2bf/0x370 net/socket.c:2433
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4409b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffce72bc9a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004b73c0 RCX: 00000000004409b9
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000c00000001 R09: 0000000c00000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000031
R13: 00007ffce72bc9f0 R14: 00007ffce72bc9da R15: 00000000004b7430

Fix bisection attempts:
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-net-this-kasan-gce	2020/11/09 00:16	net	4e0396c5	d81b165e	.config	log	report	syz	C

Crashes (34):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-smack-root	2021/03/24 11:45	upstream	7acac4b3	e613994b	.config	log	report	syz	C		WARNING in ieee80211_probe_client
ci-upstream-kasan-gce-root	2021/03/07 08:42	upstream	a38fd874	e4b4d570	.config	log	report	syz	C		WARNING in ieee80211_probe_client
ci-upstream-kasan-gce-selinux-root	2021/02/04 21:01	upstream	61556703	42b90a7c	.config	log	report	syz	C		WARNING in ieee80211_probe_client
ci-upstream-kasan-gce-smack-root	2021/02/02 03:33	upstream	1048ba83	e6b95f32	.config	log	report	syz	C		WARNING in ieee80211_probe_client
ci-upstream-kasan-gce-root	2021/01/24 23:31	upstream	e6806137	52e37319	.config	log	report	syz	C		WARNING in ieee80211_probe_client
ci-upstream-net-this-kasan-gce	2021/02/19 13:41	net	3af409ca	14052202	.config	log	report	syz	C		WARNING in ieee80211_probe_client
ci-upstream-net-kasan-gce	2021/02/19 13:38	net-next	38b5133a	14052202	.config	log	report	syz	C		WARNING in ieee80211_probe_client
ci-upstream-linux-next-kasan-gce-root	2021/03/24 01:13	linux-next	d949689e	e613994b	.config	log	report	syz	C		WARNING in ieee80211_probe_client
ci-upstream-kasan-gce	2020/12/03 22:34	upstream	34816d20	e6b0d314	.config	log	report	syz	C
ci-upstream-net-this-kasan-gce	2020/10/10 00:01	net	3fdd47c3	d81b165e	.config	log	report	syz	C
ci-upstream-net-kasan-gce	2020/10/06 03:51	net-next	c2568c8c	1880b4a9	.config	log	report	syz	C
ci-upstream-kasan-gce	2021/04/06 16:39	upstream	0a50438c	6a81331a	.config	log	report			info	WARNING in ieee80211_probe_client
ci-upstream-kasan-gce	2021/02/01 15:46	upstream	1048ba83	e6b95f32	.config	log	report			info	WARNING in ieee80211_probe_client
ci-upstream-kasan-gce	2021/01/26 18:34	upstream	13391c60	55a7d4df	.config	log	report			info	WARNING in ieee80211_probe_client
ci-upstream-net-kasan-gce	2021/04/06 08:44	net-next	cc0626c2	6a81331a	.config	log	report			info	WARNING in ieee80211_probe_client
ci-upstream-net-kasan-gce	2021/04/06 07:06	net-next	514e1150	6a81331a	.config	log	report			info	WARNING in ieee80211_probe_client
ci-upstream-net-kasan-gce	2021/04/05 06:46	net-next	7d42e84e	6a81331a	.config	log	report			info	WARNING in ieee80211_probe_client
ci-upstream-net-kasan-gce	2021/04/04 18:24	net-next	7d42e84e	6a81331a	.config	log	report			info	WARNING in ieee80211_probe_client
ci-upstream-net-kasan-gce	2021/03/31 17:15	net-next	37f368d8	6a81331a	.config	log	report			info	WARNING in ieee80211_probe_client
ci-upstream-kasan-gce-selinux-root	2020/12/29 15:20	upstream	dea8dcf2	80910769	.config	log	report			info
ci-upstream-kasan-gce	2020/12/20 04:37	upstream	467f8165	04201c06	.config	log	report			info
ci-upstream-kasan-gce	2020/12/16 10:59	upstream	d635a69d	f213e07e	.config	log	report			info
ci-upstream-kasan-gce-selinux-root	2020/10/06 07:37	upstream	7575fdda	1880b4a9	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/10/05 12:46	upstream	549738f1	5ef9c291	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/18 00:12	net	44d4775c	04201c06	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/14 03:41	net	7f376f19	b22a7ec3	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/11 06:24	net	d9838b1d	f900b48c	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/06 05:33	net	edd2410b	50503117	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/12/01 14:40	net	237f977a	07bfe8a5	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/11/25 23:15	net	90cf87d1	2f1cec62	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/11/23 15:07	net	f9b03653	878fb17a	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/11/22 13:56	net	b9ad3e9f	0d27f508	.config	log	report			info
ci-upstream-net-this-kasan-gce	2020/11/19 11:41	net	6d9c8d15	0767f13f	.config	log	report			info
ci-upstream-net-kasan-gce	2020/10/06 06:38	net-next	c2568c8c	1880b4a9	.config	log	report			info