netdev - [syzbot] [wireless?] WARNING in __cfg80211_bss

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Message-ID: <0000000000000346a6061cc5b897@google.com>
Date: Mon, 08 Jul 2024 17:36:21 -0700
From: syzbot <syzbot+1a797e1c81be78a2ace7@...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] [wireless?] WARNING in __cfg80211_bss_update (2)

Hello,

syzbot found the following issue on:

HEAD commit:    d270dd21bee0 Merge tag 'pci-v6.10-fixes-2' of git://git.ke..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=123cc8a5980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=864caee5f78cab51
dashboard link: https://syzkaller.appspot.com/bug?extid=1a797e1c81be78a2ace7
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/987e45087f46/disk-d270dd21.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/072b7b491dd1/vmlinux-d270dd21.xz
kernel image: https://storage.googleapis.com/syzbot-assets/e0ddb6b56277/bzImage-d270dd21.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+1a797e1c81be78a2ace7@...kaller.appspotmail.com

------------[ cut here ]------------
WARNING: CPU: 1 PID: 19045 at net/wireless/scan.c:1714 cfg80211_combine_bsses net/wireless/scan.c:1714 [inline]
WARNING: CPU: 1 PID: 19045 at net/wireless/scan.c:1714 __cfg80211_bss_update+0x114a/0x20c0 net/wireless/scan.c:1954
Modules linked in:
CPU: 1 PID: 19045 Comm: kworker/u8:9 Not tainted 6.10.0-rc6-syzkaller-00210-gd270dd21bee0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:cfg80211_combine_bsses net/wireless/scan.c:1714 [inline]
RIP: 0010:__cfg80211_bss_update+0x114a/0x20c0 net/wireless/scan.c:1954
Code: e1 07 fe c1 38 c1 0f 8c 49 fb ff ff 48 8b 7c 24 68 e8 aa fb 26 f7 e9 3a fb ff ff e8 e0 46 c1 f6 90 0f 0b 90 e9 c0 fb ff ff 90 <0f> 0b 90 48 89 ef e8 9b 99 e1 f9 84 c0 0f 84 9f 00 00 00 e8 be 46
RSP: 0018:ffffc9000315ee98 EFLAGS: 00010206
RAX: ffff88806d6fec10 RBX: ffff88802b936488 RCX: dffffc0000000000
RDX: ffff88805e953c00 RSI: 0000000000000000 RDI: 0000000000000006
RBP: ffff88802b936410 R08: ffffffff8ad4de30 R09: 00000010fffff448
R10: 0000505050505050 R11: 0003000000000000 R12: ffff88802b936400
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88805ca01800
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f00aee80836 CR3: 0000000021fd0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 cfg80211_inform_single_bss_data+0xfd6/0x2360 net/wireless/scan.c:2289
 cfg80211_inform_bss_data+0x3dd/0x5a70 net/wireless/scan.c:3117
 cfg80211_inform_bss_frame_data+0x3bc/0x720 net/wireless/scan.c:3207
 ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226
 ieee80211_rx_bss_info net/mac80211/ibss.c:1099 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1578 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x1962/0x2d70 net/mac80211/ibss.c:1605
 ieee80211_iface_process_skb net/mac80211/iface.c:1603 [inline]
 ieee80211_iface_work+0x8a3/0xf10 net/mac80211/iface.c:1657
 cfg80211_wiphy_work+0x221/0x260 net/wireless/core.c:437
 process_one_work kernel/workqueue.c:3248 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329
 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>


---
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