WARNING in ieee80211_bss_info_change

WARNING in ieee80211_bss_info_change_notify
Status: upstream: reported C repro on 2020/10/02 15:39
Reported-by: syzbot+09d1cd2f71e6dd3bfd2c@syzkaller.appspotmail.com
First crash: 300d, last: 27m

Cause bisection: introduced by (bisect log) :
commit 135f971181d779c96ff3725c1a350a721785cc66
Author: Alex Deucher <alexander.deucher@amd.com>
Date: Mon Nov 20 22:49:53 2017 +0000

drm/amdgpu: don't skip attributes when powerplay is enabled

Crash: unregister_netdevice: waiting for DEV to become free (log)
Repro: C syz .config

similar bugs (1):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	WARNING in ieee80211_bss_info_change_notify	C			216	17h42m	300d	0/1	upstream: reported C repro on 2020/10/02 07:16

Sample crash report:

------------[ cut here ]------------
wlan0: Failed check-sdata-in-driver check, flags: 0x4
WARNING: CPU: 0 PID: 8450 at net/mac80211/driver-ops.h:172 drv_bss_info_changed net/mac80211/driver-ops.h:172 [inline]
WARNING: CPU: 0 PID: 8450 at net/mac80211/driver-ops.h:172 ieee80211_bss_info_change_notify+0x2f9/0x3a0 net/mac80211/main.c:210
Modules linked in:
CPU: 0 PID: 8450 Comm: syz-executor626 Not tainted 5.13.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:drv_bss_info_changed net/mac80211/driver-ops.h:172 [inline]
RIP: 0010:ieee80211_bss_info_change_notify+0x2f9/0x3a0 net/mac80211/main.c:210
Code: 7b f8 49 8b 87 40 06 00 00 49 81 c7 60 06 00 00 48 85 c0 4c 0f 45 f8 48 c7 c7 00 50 75 8b 4c 89 fe 89 ea 31 c0 e8 e7 a9 ff f7 <0f> 0b e9 f3 fe ff ff e8 ab 5f 33 f8 0f 0b e9 e7 fe ff ff 44 89 e1
RSP: 0018:ffffc900016bf380 EFLAGS: 00010246
RAX: ec05f25647776500 RBX: 1ffff1100468b3c3 RCX: ffff88801d761c40
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000004 R08: ffffffff81655222 R09: ffffed1017345f90
R10: ffffed1017345f90 R11: 0000000000000000 R12: ffff888023459e18
R13: 0000000002000000 R14: dffffc0000000000 R15: ffff888023458000
FS:  0000000001aac300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005608b94e6160 CR3: 0000000019b7c000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_set_mcast_rate+0x38/0x40 net/mac80211/cfg.c:2544
 rdev_set_mcast_rate net/wireless/rdev-ops.h:1202 [inline]
 nl80211_set_mcast_rate+0x269/0x330 net/wireless/nl80211.c:10431
 genl_family_rcv_msg_doit net/netlink/genetlink.c:739 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0xfb4/0x13c0 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x1f0/0x460 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+0x7de/0x9b0 net/netlink/af_netlink.c:1338
 netlink_sendmsg+0xaa6/0xe90 net/netlink/af_netlink.c:1927
 sock_sendmsg_nosec net/socket.c:654 [inline]
 sock_sendmsg net/socket.c:674 [inline]
 ____sys_sendmsg+0x5a2/0x900 net/socket.c:2350
 ___sys_sendmsg net/socket.c:2404 [inline]
 __sys_sendmsg+0x319/0x400 net/socket.c:2433
 do_syscall_64+0x3f/0xb0 arch/x86/entry/common.c:47
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x440f59
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:00007fff448a6e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000440f59
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000c00000000 R09: 0000000c00000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000031
R13: 00007fff448a6ea0 R14: 00007fff448a6e90 R15: 00000000004b7410

Fix bisection attempts:
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-smack-root	2021/01/15 17:00	upstream	5ee88057889b	c090b4da	.config	log	report	syz	C

Crashes (193):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-smack-root	2021/05/26 03:20	upstream	a050a6d2b7e8	93d3a9f6	.config	log	report	syz	C		WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/04/04 02:20	upstream	57fbdb15ec42	6a81331a	.config	log	report	syz	C		WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/03/24 11:01	upstream	7acac4b3196c	e613994b	.config	log	report	syz	C		WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/02/04 16:17	upstream	61556703b610	42b90a7c	.config	log	report	syz	C		WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/02/04 01:52	upstream	3afe9076a7c1	624dad51	.config	log	report	syz	C		WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/31 18:02	upstream	6642d600b541	fc9fd31e	.config	log	report	syz	C		WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2020/12/10 11:28	upstream	a68a0262abda	c090b4da	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2020/12/10 10:54	upstream	a68a0262abda	c090b4da	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2020/10/02 10:15	upstream	fcadab740480	9602ddf4	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2021/07/29 11:59	upstream	4010a528219e	b44001ce	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/28 22:46	upstream	4010a528219e	9a4781d4	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/28 00:54	upstream	7d549995d4e0	17d6ab15	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/25 23:04	upstream	d8079fac1681	4d1b57d4	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/25 21:15	upstream	d8079fac1681	4d1b57d4	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/25 16:05	upstream	6498f6151825	4d1b57d4	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/25 05:31	upstream	6498f6151825	4d1b57d4	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/24 01:21	upstream	8baef6386baa	bc5f1d88	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/24 00:02	upstream	8baef6386baa	bc5f1d88	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/20 07:51	upstream	2734d6c1b1a0	bc48c9ab	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/19 12:32	upstream	2734d6c1b1a0	e6a17580	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/16 16:06	upstream	d936eb238744	f115ae98	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/13 17:28	upstream	7fef2edf7cc7	fa0594c3	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/12 19:32	upstream	e73f0f0ee754	f415556d	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/12 07:36	upstream	e73f0f0ee754	a4869c92	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/09 10:26	upstream	3dbdb38e2869	281e815f	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/08 03:11	upstream	3dbdb38e2869	95793bce	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/02 17:04	upstream	3dbdb38e2869	55aa55c2	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/02 12:10	upstream	3dbdb38e2869	658ebc66	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/02 00:11	upstream	e058a84bfddc	658ebc66	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/07/01 09:47	upstream	dbe69e433722	658ebc66	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/28 01:22	upstream	b4b27b9eed8e	9d2ab5df	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/26 06:45	upstream	b7050b242430	9d2ab5df	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/25 00:59	upstream	4a09d388f2ab	0edbbe31	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/24 10:48	upstream	7426cedc7dad	ec865f6a	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/23 20:08	upstream	7266f2030eb0	fe4ab389	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/23 18:44	upstream	7266f2030eb0	aba2b2fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/22 21:55	upstream	0c18f29aae7c	aba2b2fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/22 20:05	upstream	0c18f29aae7c	aba2b2fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/22 07:46	upstream	a96bfed64c89	aba2b2fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/21 18:46	upstream	13311e74253f	aba2b2fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/21 17:02	upstream	13311e74253f	aba2b2fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/20 22:52	upstream	cba5e97280f5	aba2b2fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/20 09:14	upstream	913ec3c22ef4	aba2b2fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/20 00:38	upstream	9ed13a17e38e	aba2b2fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/19 20:25	upstream	9ed13a17e38e	aba2b2fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/19 03:59	upstream	b1edae0d5f2e	aba2b2fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/16 23:40	upstream	6b00bc639f1f	aba2b2fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/16 01:14	upstream	94f0b2d4a1d0	990d3cbe	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/12 08:26	upstream	f21b807c3cf8	1ba81399	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/11 19:19	upstream	06af8679449d	1ba81399	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/11 10:06	upstream	06af8679449d	1ba81399	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/10 22:49	upstream	f09eacca59d2	1ba81399	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/09 15:49	upstream	368094df48e6	84fe5d96	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/08 23:00	upstream	4c8684fe555e	5c2fe346	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/06 11:34	upstream	f5b6eb1e0182	500c2339	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/06 10:19	upstream	f5b6eb1e0182	500c2339	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/05 20:19	upstream	e5220dd16778	500c2339	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/05 10:41	upstream	9d32fa5d74b1	500c2339	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/04 16:13	upstream	f88cd3fb9df2	966a236b	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/02 14:10	upstream	231bc5390667	0740de69	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/06/02 08:11	upstream	231bc5390667	032639db	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/16 00:34	upstream	f4e087c666f5	65a7a854	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/10/02 06:57	upstream	fcadab740480	9602ddf4	.config	log	report			info