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: 391d, last: 19h00m

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			295	23h47m	391d	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 (401):
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	2021/10/27 19:44	upstream	1fc596a56b33	373bf66b	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/25 06:50	upstream	87066fdd2e30	4f0000ee	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/24 20:14	upstream	6c62666d8879	282f03fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/23 12:19	upstream	9c0c4d24ac00	282f03fb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/21 15:47	upstream	2f111a6fd5b5	c5cb7da8	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/21 13:52	upstream	2f111a6fd5b5	c5cb7da8	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/21 01:11	upstream	8e37395c3a5d	f111d03b	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/20 22:27	upstream	8e37395c3a5d	f111d03b	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/20 19:45	upstream	8e37395c3a5d	418a00eb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/20 12:41	upstream	d9abdee5fd5a	418a00eb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/20 11:28	upstream	d9abdee5fd5a	418a00eb	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/19 18:31	upstream	d9abdee5fd5a	466b7db1	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/19 01:49	upstream	519d81956ee2	24dc29db	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/17 12:15	upstream	d999ade1cc86	0c5d9412	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/17 10:44	upstream	d999ade1cc86	0c5d9412	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/16 21:10	upstream	304040fb4909	0c5d9412	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/15 12:24	upstream	ec681c53f8d2	0c5d9412	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/15 11:22	upstream	ec681c53f8d2	0c5d9412	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/15 10:07	upstream	ec681c53f8d2	0c5d9412	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/14 15:27	upstream	26d657410983	5462d470	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/13 21:32	upstream	348949d9a444	5462d470	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/12 08:13	upstream	fa5878760579	838e7e2c	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/11 09:28	upstream	64570fbc14f8	838e7e2c	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/11 07:24	upstream	64570fbc14f8	838e7e2c	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/10 23:51	upstream	efb52a7d9511	838e7e2c	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/10 20:12	upstream	efb52a7d9511	838e7e2c	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/10 02:56	upstream	7fd2bf83d59a	838e7e2c	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/09 13:25	upstream	5d6ab0bb408f	838e7e2c	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/09 12:22	upstream	5d6ab0bb408f	838e7e2c	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/09 11:15	upstream	5d6ab0bb408f	838e7e2c	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/08 22:26	upstream	741668ef7832	efe0f24d	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/08 10:09	upstream	1da38549dd64	efe0f24d	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/08 07:51	upstream	1da38549dd64	efe0f24d	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/07 20:37	upstream	4a16df549d23	efe0f24d	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/07 16:44	upstream	5af4055fa813	efe0f24d	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/07 04:11	upstream	5af4055fa813	62ee0987	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/06 20:33	upstream	60a9483534ed	62ee0987	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/06 15:17	upstream	60a9483534ed	0a63fd36	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/05 17:21	upstream	f6274b06e326	0a63fd36	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/05 15:23	upstream	f6274b06e326	0a63fd36	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/04 18:44	upstream	84b3e42564ac	ce697b49	.config	log	report			info	WARNING in ieee80211_bss_info_change_notify
ci-upstream-kasan-gce-smack-root	2021/10/04 09:41	upstream	9e1ff307c779	ce697b49	.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