netdev - [syzbot] WARNING in drv_link_info

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Message-ID: <00000000000074764e05f00bdc01@google.com>
Date:   Sat, 17 Dec 2022 12:23:37 -0800
From:   syzbot <syzbot+224ad65c927c83902f06@...kaller.appspotmail.com>
To:     davem@...emloft.net, edumazet@...gle.com,
        johannes@...solutions.net, kuba@...nel.org,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, pabeni@...hat.com,
        syzkaller-bugs@...glegroups.com
Subject: [syzbot] WARNING in drv_link_info_changed

Hello,

syzbot found the following issue on:

HEAD commit:    e2ca6ba6ba01 Merge tag 'mm-stable-2022-12-13' of git://git..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=16d4f027880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=a6133b41a9a0f500
dashboard link: https://syzkaller.appspot.com/bug?extid=224ad65c927c83902f06
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/be256841c209/disk-e2ca6ba6.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/76c90a4cdade/vmlinux-e2ca6ba6.xz
kernel image: https://storage.googleapis.com/syzbot-assets/a44766da5515/bzImage-e2ca6ba6.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+224ad65c927c83902f06@...kaller.appspotmail.com

------------[ cut here ]------------
WARNING: CPU: 0 PID: 5553 at net/mac80211/driver-ops.c:416 drv_link_info_changed+0xd2/0x780 net/mac80211/driver-ops.c:416
Modules linked in:
CPU: 1 PID: 5553 Comm: kworker/u4:23 Not tainted 6.1.0-syzkaller-09941-ge2ca6ba6ba01 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: phy12 ieee80211_roc_work
RIP: 0010:drv_link_info_changed+0xd2/0x780 net/mac80211/driver-ops.c:416
Code: 83 f8 01 0f 84 f6 00 00 00 e8 ea a6 4f f8 83 eb 07 31 ff 83 e3 fb 89 de e8 8b a3 4f f8 85 db 0f 84 da 00 00 00 e8 ce a6 4f f8 <0f> 0b e9 c5 02 00 00 e8 c2 a6 4f f8 4d 8d bc 24 50 1a 00 00 48 b8
RSP: 0018:ffffc90004befb90 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000fffffffb RCX: 0000000000000000
RDX: ffff888027601d40 RSI: ffffffff893103a2 RDI: 0000000000000005
RBP: ffff88807e7e8de0 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffffb R11: 0000000000000000 R12: ffff88803f4c0c80
R13: 0000000000000200 R14: 0000000000000000 R15: ffff88803f4c26d0
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f696ff85058 CR3: 000000002991d000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 ieee80211_link_info_change_notify+0x17a/0x270 net/mac80211/main.c:290
 ieee80211_offchannel_stop_vifs+0x308/0x4e0 net/mac80211/offchannel.c:121
 _ieee80211_start_next_roc+0x6f7/0x9a0 net/mac80211/offchannel.c:365
 __ieee80211_roc_work+0x190/0x3d0 net/mac80211/offchannel.c:432
 ieee80211_roc_work+0x2f/0x40 net/mac80211/offchannel.c:460
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>


---
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