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: 149d, last: 2d07h

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			125	4d19h	149d	0/1	upstream: reported C repro on 2020/10/02 07:16

Sample crash report:

------------[ cut here ]------------
wlan1: Failed check-sdata-in-driver check, flags: 0x4
WARNING: CPU: 0 PID: 8432 at net/mac80211/driver-ops.h:172 drv_bss_info_changed net/mac80211/driver-ops.h:172 [inline]
WARNING: CPU: 0 PID: 8432 at net/mac80211/driver-ops.h:172 ieee80211_bss_info_change_notify+0x2f4/0x3a0 net/mac80211/main.c:210
Modules linked in:
CPU: 0 PID: 8432 Comm: syz-executor047 Not tainted 5.11.0-rc6-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+0x2f4/0x3a0 net/mac80211/main.c:210
Code: e0 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 20 78 ef 8a 4c 89 fe 89 ea 31 c0 e8 dc 7a 6c f8 <0f> 0b e9 f3 fe ff ff e8 50 04 9d f8 0f 0b e9 e7 fe ff ff 44 89 e1
RSP: 0018:ffffc900020bf8b0 EFLAGS: 00010246
RAX: f04f3344ae92ad00 RBX: 1ffff1100374fbbb RCX: ffff8880155a0000
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000004 R08: ffffffff815fa522 R09: ffffed10173860b8
R10: ffffed10173860b8 R11: 0000000000000000 R12: ffff88801ba7ddd8
R13: 0000000002000000 R14: dffffc0000000000 R15: ffff88801ba7c000
FS:  0000000001366300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c0751b80c0 CR3: 000000002b2db000 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:2542
 rdev_set_mcast_rate net/wireless/rdev-ops.h:1202 [inline]
 nl80211_set_mcast_rate+0x215/0x2c0 net/wireless/nl80211.c:10278
 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:2494
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x9ae/0xd50 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg net/socket.c:672 [inline]
 ____sys_sendmsg+0x519/0x800 net/socket.c:2345
 ___sys_sendmsg net/socket.c:2399 [inline]
 __sys_sendmsg+0x2bf/0x370 net/socket.c:2432
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x440769
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:00007fffb69b4b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000031 RCX: 0000000000440769
RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000004
RBP: 0000000000000003 R08: 00007fffb69b4b48 R09: 00007fffb69b4b48
R10: 00007fffb69b4b48 R11: 0000000000000246 R12: 00007fffb69b4b70
R13: 00007fffb69b4b62 R14: 00000000004b7410 R15: 00000000004b73a0

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	5ee88057	c090b4da	.config	log	report	syz	C

Crashes (87):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-smack-root	2021/02/04 16:17	upstream	61556703	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	3afe9076	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	6642d600	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	a68a0262	c090b4da	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2020/12/10 10:54	upstream	a68a0262	c090b4da	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2020/10/02 10:15	upstream	fcadab74	9602ddf4	.config	log	report	syz	C
ci-upstream-kasan-gce-smack-root	2021/02/26 15:38	upstream	2c87f7a3	4c37c133	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/02/21 06:57	upstream	e767b353	3e5ed8b4	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/02/19 19:32	upstream	f40ddce8	f689d40a	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/02/13 10:33	upstream	c6d8570e	98682e5e	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/02/11 20:47	upstream	291009f6	a5f86b15	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/02/07 21:46	upstream	b75dba7f	2ce644fc	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/02/02 06:33	upstream	88bb507a	e6b95f32	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/02/01 17:18	upstream	1048ba83	e6b95f32	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/31 16:02	upstream	6642d600	fc9fd31e	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/30 09:26	upstream	0e9bcda5	fc9fd31e	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/28 00:18	upstream	76c057c8	eefc07f2	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/27 11:17	upstream	2ab38c17	a0ebf917	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/26 19:39	upstream	13391c60	55a7d4df	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/24 23:12	upstream	e6806137	52e37319	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/24 00:26	upstream	e1ae4b0b	52e37319	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/23 22:17	upstream	e1ae4b0b	52e37319	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/22 03:41	upstream	9f29bd8b	d4f4eca5	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/21 14:46	upstream	9791581c	d4f4eca5	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/21 02:42	upstream	75439bc4	d4f4eca5	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/21 01:06	upstream	75439bc4	d4f4eca5	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/20 23:21	upstream	75439bc4	d4f4eca5	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/17 19:58	upstream	0da0a8a0	813be542	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/01/16 00:34	upstream	f4e087c6	65a7a854	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/12/15 05:25	upstream	148842c9	97183ed7	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/12/12 23:09	upstream	7b1b868e	bca53db9	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/12/09 18:35	upstream	a68a0262	c090b4da	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/12/09 00:06	upstream	7d8761ba	a7f7f4a4	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/12/08 07:35	upstream	cd796ed3	51a9082e	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/12/05 13:51	upstream	b3298500	50503117	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/12/03 20:48	upstream	34816d20	e6b0d314	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/12/02 22:41	upstream	509a1542	8c9190ef	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/12/02 20:16	upstream	509a1542	8c9190ef	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/12/02 04:47	upstream	509a1542	c42a35e9	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/12/01 21:50	upstream	b6505459	07bfe8a5	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/30 15:36	upstream	b6505459	78d50c1d	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/27 21:55	upstream	99c710c4	486f93ef	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/27 18:24	upstream	85a2c56c	486f93ef	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/27 04:36	upstream	85a2c56c	5018c946	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/26 14:57	upstream	fa02fcd9	1d2b823e	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/26 13:20	upstream	fa02fcd9	1d2b823e	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/24 05:15	upstream	d5beb314	1ab681a4	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/24 01:42	upstream	d5beb314	878fb17a	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/23 15:12	upstream	418baf2c	878fb17a	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/21 07:53	upstream	27bba9c5	68068804	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/20 14:23	upstream	4d02da97	740ff461	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/17 03:12	upstream	9c87c9f4	1bf9a662	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/11/17 03:01	upstream	9c87c9f4	1bf9a662	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/10/07 16:03	upstream	c85fb28b	1880b4a9	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/10/07 03:31	upstream	c85fb28b	1880b4a9	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/10/07 01:11	upstream	c85fb28b	1880b4a9	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/10/06 04:04	upstream	7575fdda	1880b4a9	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/10/06 02:25	upstream	7575fdda	1880b4a9	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/10/05 22:37	upstream	549738f1	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-kasan-gce-smack-root	2020/10/02 07:04	upstream	fcadab74	9602ddf4	.config	log	report			info
ci-upstream-kasan-gce-smack-root	2020/10/02 06:57	upstream	fcadab74	9602ddf4	.config	log	report			info