WARNING in __cfg80211_ibss

WARNING in __cfg80211_ibss_joined (2)
Status: upstream: reported C repro on 2020/09/24 09:26
Reported-by: syzbot+7f064ba1704c2466e36d@syzkaller.appspotmail.com
First crash: 230d, last: 16h59m

Cause bisection: failed (bisect log)

similar bugs (3):
Kernel	Title	Repro	Count	Last	Reported	Patched	Status
upstream	WARNING in __cfg80211_ibss_joined		8	432d	452d	0/22	auto-closed as invalid on 2020/07/02 02:22
linux-4.14	WARNING in __cfg80211_ibss_joined	C	12	15d	228d	0/1	upstream: reported C repro on 2020/09/24 13:20
linux-4.19	WARNING in __cfg80211_ibss_joined	C	52	2d20h	190d	0/1	upstream: reported C repro on 2020/11/01 17:19

Sample crash report:

------------[ cut here ]------------
WARNING: CPU: 1 PID: 27 at net/wireless/ibss.c:36 __cfg80211_ibss_joined+0x487/0x520 net/wireless/ibss.c:36
Modules linked in:
CPU: 1 PID: 27 Comm: kworker/u4:2 Not tainted 5.10.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: cfg80211 cfg80211_event_work
RIP: 0010:__cfg80211_ibss_joined+0x487/0x520 net/wireless/ibss.c:36
Code: 0f 0b e9 0c fe ff ff e8 d7 52 7a f9 e9 41 fc ff ff e8 ad 52 7a f9 e9 7d fc ff ff e8 c3 52 7a f9 e9 0d ff ff ff e8 a9 d5 38 f9 <0f> 0b e9 7e fc ff ff e8 9d d5 38 f9 0f 0b e8 b6 52 7a f9 e9 e4 fb
RSP: 0018:ffffc90000e2fbd8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888014630c10 RCX: ffffffff8155a917
RDX: ffff888010f83480 RSI: ffffffff88372ec7 RDI: 0000000000000000
RBP: ffff888014630000 R08: 0000000000000001 R09: ffffffff8ebb06bf
R10: fffffbfff1d760d7 R11: 0000000000000000 R12: 1ffff920001c5f7d
R13: ffff8880129ac418 R14: 0000000000000000 R15: 0000000000000006
FS:  0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff508f6e000 CR3: 000000001ae1f000 CR4: 0000000000350ee0
Call Trace:
 cfg80211_process_wdev_events+0x3de/0x5b0 net/wireless/util.c:942
 cfg80211_process_rdev_events+0x6e/0x100 net/wireless/util.c:968
 cfg80211_event_work+0x1a/0x20 net/wireless/core.c:322
 process_one_work+0x933/0x15a0 kernel/workqueue.c:2272
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2418
 kthread+0x3b1/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

Crashes (3237):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-root	2020/12/13 03:20	upstream	7b1b868e	bca53db9	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2020/12/06 16:37	upstream	7059c2c0	f12ba0c5	.config	log	report	syz	C
ci-upstream-net-this-kasan-gce	2021/01/05 20:22	net	a8f33c03	a0234d98	.config	log	report	syz	C
ci-upstream-net-kasan-gce	2021/01/05 12:15	net-next	3db1a3fa	a0234d98	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2021/02/18 23:14	upstream	f40ddce8	14052202	.config	log	report	syz			WARNING in __cfg80211_ibss_joined
ci-upstream-kasan-gce-root	2021/02/16 11:48	upstream	f40ddce8	98682e5e	.config	log	report	syz			WARNING in __cfg80211_ibss_joined
ci-upstream-kasan-gce-smack-root	2021/02/09 00:52	upstream	e0756cfc	2bd9619f	.config	log	report	syz			WARNING in __cfg80211_ibss_joined
ci-upstream-kasan-gce-386	2021/02/17 14:39	upstream	f40ddce8	052f8d9f	.config	log	report	syz			WARNING in __cfg80211_ibss_joined
ci-upstream-kasan-gce-386	2021/02/16 17:12	upstream	f40ddce8	98682e5e	.config	log	report	syz			WARNING in __cfg80211_ibss_joined
ci-upstream-kasan-gce-386	2021/02/14 19:20	upstream	358fecee	98682e5e	.config	log	report	syz			WARNING in __cfg80211_ibss_joined
ci-upstream-net-this-kasan-gce	2021/02/16 16:46	net	25c5a7e8	98682e5e	.config	log	report	syz			WARNING in __cfg80211_ibss_joined
ci-upstream-kasan-gce	2020/12/04 02:31	upstream	34816d20	e6b0d314	.config	log	report	syz
ci-upstream-kasan-gce	2020/11/27 16:59	upstream	85a2c56c	5018c946	.config	log	report	syz
ci-upstream-kasan-gce	2020/11/26 18:34	upstream	fa02fcd9	1d2b823e	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2020/09/27 22:21	upstream	a1bffa48	5dd8aee8	.config	log	report	syz
ci-upstream-kasan-gce-smack-root	2020/09/26 12:08	upstream	7c7ec322	4a006f63	.config	log	report	syz
ci-upstream-kasan-gce-386	2021/01/16 18:11	upstream	1d94330a	65a7a854	.config	log	report	syz
ci-upstream-kasan-gce-386	2021/01/02 20:22	upstream	eda809ae	79264ae3	.config	log	report	syz
ci-upstream-kasan-gce-386	2020/12/20 12:52	upstream	467f8165	04201c06	.config	log	report	syz
ci-upstream-kasan-gce-386	2020/12/18 09:06	upstream	d64c6f96	04201c06	.config	log	report	syz
ci-upstream-kasan-gce-386	2020/11/21 13:59	upstream	27bba9c5	68068804	.config	log	report	syz
ci-upstream-net-kasan-gce	2021/01/09 01:10	net-next	58334e75	c104d4a3	.config	log	report	syz
ci-upstream-linux-next-kasan-gce-root	2020/10/07 11:58	linux-next	a804ab08	1880b4a9	.config	log	report	syz
ci-upstream-kasan-gce-selinux-root	2021/04/19 08:36	upstream	bf05bf16	7e2b734b	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-kasan-gce-smack-root	2021/04/09 04:12	upstream	4fa56ad0	6a81331a	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-kasan-gce-root	2021/04/04 03:48	upstream	57fbdb15	6a81331a	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-kasan-gce	2021/02/19 18:14	upstream	f40ddce8	f689d40a	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-qemu-upstream	2021/02/19 06:50	upstream	f40ddce8	14052202	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-qemu-upstream-386	2021/02/20 00:52	upstream	f40ddce8	f689d40a	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-qemu2-arm64-compat	2021/02/19 00:57	upstream	f40ddce8	14052202	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-qemu2-arm64	2021/02/18 13:49	upstream	f40ddce8	14052202	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/05/09 20:42	bpf	bbd6f0a9	bc5434be	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/05/09 10:15	bpf	bbd6f0a9	bc5434be	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/05/09 04:21	bpf	bbd6f0a9	bc5434be	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/05/08 10:14	bpf	bbd6f0a9	bc5434be	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/05/07 15:42	bpf	bbd6f0a9	f6da8120	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/05/07 09:41	bpf	bbd6f0a9	f6da8120	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/05/05 12:30	bpf	bbd6f0a9	06c27ff5	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/05/05 05:08	bpf	bbd6f0a9	06c27ff5	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/05/05 02:07	bpf	bbd6f0a9	06c27ff5	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/05/04 15:55	bpf	bbd6f0a9	09efdd63	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/30 05:08	bpf	bbd6f0a9	77e2b668	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/29 07:29	bpf	bbd6f0a9	77e2b668	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/28 12:55	bpf	b0226542	805b5003	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/26 23:59	bpf	b0226542	e60b7df1	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/26 14:38	bpf	b0226542	2a82f1b3	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/25 22:01	bpf	b0226542	2a82f1b3	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/25 15:34	bpf	b0226542	36c88236	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/25 05:19	bpf	b0226542	17f0b706	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/25 02:36	bpf	b0226542	17f0b706	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/24 11:50	bpf	b0226542	17f0b706	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/24 04:26	bpf	b0226542	17f0b706	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/24 00:24	bpf	b0226542	17f0b706	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/23 23:11	bpf	b0226542	17f0b706	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/23 18:59	bpf	b0226542	17f0b706	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/23 17:33	bpf	b0226542	17f0b706	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/23 16:32	bpf	b0226542	17f0b706	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/23 06:26	bpf	b0226542	590921a5	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/22 20:05	bpf	b0226542	33c28d03	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/21 20:10	bpf	b0226542	2bc8999a	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-kasan-gce	2021/04/21 15:29	bpf	b0226542	95777977	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-net-this-kasan-gce	2021/04/06 09:43	net	08c27f33	6a81331a	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/05/10 01:49	bpf-next	3733bfbb	bc5434be	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/05/08 13:59	bpf-next	3733bfbb	bc5434be	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/05/08 07:36	bpf-next	3733bfbb	bc5434be	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/05/05 14:31	bpf-next	3733bfbb	06c27ff5	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/05/04 21:08	bpf-next	3733bfbb	09efdd63	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/05/04 18:54	bpf-next	3733bfbb	09efdd63	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/05/04 13:08	bpf-next	3733bfbb	09efdd63	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-net-kasan-gce	2021/05/02 08:12	net-next	95aafe91	77e2b668	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/05/01 07:23	bpf-next	3733bfbb	77e2b668	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/04/29 19:08	bpf-next	3733bfbb	77e2b668	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/04/28 18:01	bpf-next	3733bfbb	77e2b668	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/04/28 14:29	bpf-next	3733bfbb	77e2b668	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/04/28 11:03	bpf-next	2551c2d1	805b5003	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/04/27 22:11	bpf-next	2551c2d1	805b5003	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/04/24 07:38	bpf-next	7d3c1077	17f0b706	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/04/24 04:10	bpf-next	7d3c1077	17f0b706	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/04/23 02:39	bpf-next	64ef3ddf	590921a5	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/04/23 01:24	bpf-next	64ef3ddf	590921a5	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/04/22 13:19	bpf-next	d044d9fc	33c28d03	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-bpf-next-kasan-gce	2021/04/21 22:03	bpf-next	d044d9fc	2bc8999a	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-linux-next-kasan-gce-root	2021/01/27 21:22	linux-next	bc085f8f	eefc07f2	.config	log	report			info	WARNING in __cfg80211_ibss_joined
ci-upstream-kasan-gce-selinux-root	2021/01/17 11:45	upstream	0da0a8a0	813be542	.config	log	report			info
ci-upstream-kasan-gce	2020/09/23 05:23	upstream	eff48dde	3e8f6c27	.config	log	report			info
ci-upstream-kasan-gce-selinux-root	2020/09/22 14:43	upstream	98477740	3e8f6c27	.config	log	report			info