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: 114d, last: 18h56m

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	19d	93d	0/1	upstream: reported C repro on 2020/10/25 13:44
linux-4.19	WARNING in ieee80211_probe_client	C			1	6d08h	66d	0/1	upstream: reported C repro on 2020/11/22 04:36

Sample crash report:

------------[ cut here ]------------
WARNING: CPU: 0 PID: 8506 at net/mac80211/cfg.c:3614 ieee80211_probe_client+0x6ed/0x7f0 net/mac80211/cfg.c:3614
Modules linked in:
CPU: 0 PID: 8506 Comm: syz-executor752 Not tainted 5.11.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ieee80211_probe_client+0x6ed/0x7f0 net/mac80211/cfg.c:3614
Code: f9 48 c7 c2 80 31 63 8a be 89 02 00 00 48 c7 c7 e0 31 63 8a c6 05 5e a0 99 04 01 e8 91 58 63 00 e9 e3 f9 ff ff e8 33 f8 1c f9 <0f> 0b 41 bc ea ff ff ff e9 51 fe ff ff e8 c1 b8 5f f9 e9 de fc ff
RSP: 0018:ffffc9000160f500 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8880129dc000 RCX: 0000000000000000
RDX: ffff888022db1bc0 RSI: ffffffff8855c8bd RDI: 0000000000000003
RBP: ffff88801205c420 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8855c7f8 R11: 0000000000000000 R12: ffff88802f858c80
R13: 0000000000000000 R14: 0000000000000001 R15: ffffc9000160f684
FS:  0000000001665880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe4f847000 CR3: 000000001797a000 CR4: 0000000000350ef0
Call Trace:
 rdev_probe_client net/wireless/rdev-ops.h:919 [inline]
 nl80211_probe_client+0x3a9/0xb90 net/wireless/nl80211.c:12817
 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2345
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2399
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2432
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x442169
Code: e8 ac 00 03 00 48 83 c4 18 c3 0f 1f 80 00 00 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 0f 83 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffd76fb2ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442169
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004
RBP: 000000306e616c77 R08: 0000002100000000 R09: 0000002100000000
R10: 0000002100000000 R11: 0000000000000246 R12: 000000000000d980
R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004

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

Crashes (20):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Maintainers
ci-upstream-kasan-gce-root	2021/01/24 23:31	upstream	e6806137	52e37319	.config	log	report	syz	C		davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce	2020/12/03 22:34	upstream	34816d20	e6b0d314	.config	log	report	syz	C		davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/10/10 00:01	net	3fdd47c3	d81b165e	.config	log	report	syz	C		davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/10/06 03:51	net-next	c2568c8c	1880b4a9	.config	log	report	syz	C		davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce	2021/01/26 18:34	upstream	13391c60	55a7d4df	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-selinux-root	2020/12/29 15:20	upstream	dea8dcf2	80910769	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce	2020/12/20 04:37	upstream	467f8165	04201c06	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce	2020/12/16 10:59	upstream	d635a69d	f213e07e	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-selinux-root	2020/10/06 07:37	upstream	7575fdda	1880b4a9	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce-smack-root	2020/10/05 12:46	upstream	549738f1	5ef9c291	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/12/18 00:12	net	44d4775c	04201c06	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/12/14 03:41	net	7f376f19	b22a7ec3	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/12/11 06:24	net	d9838b1d	f900b48c	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/12/06 05:33	net	edd2410b	50503117	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/12/01 14:40	net	237f977a	07bfe8a5	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/11/25 23:15	net	90cf87d1	2f1cec62	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/11/23 15:07	net	f9b03653	878fb17a	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/11/22 13:56	net	b9ad3e9f	0d27f508	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/11/19 11:41	net	6d9c8d15	0767f13f	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/10/06 06:38	net-next	c2568c8c	1880b4a9	.config	log	report			info	davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org