From: syzbot <syzbot+a59b5291776979816910@syzkaller.appspotmail.com>
To: johannes@sipsolutions.net, linux-kernel@vger.kernel.org,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [wireless?] WARNING in ieee80211_mgd_probe_ap_send (3)
Date: Thu, 19 Feb 2026 12:49:29 -0800 [thread overview]
Message-ID: <69977759.050a0220.21cd75.0198.GAE@google.com> (raw)
In-Reply-To: <6920fe81.a70a0220.d98e3.004f.GAE@google.com>
syzbot has found a reproducer for the following issue on:
HEAD commit: 2b7a25df823d Merge tag 'mm-nonmm-stable-2026-02-18-19-56' ..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11a0bb3a580000
kernel config: https://syzkaller.appspot.com/x/.config?x=65722f41f7edc17e
dashboard link: https://syzkaller.appspot.com/bug?extid=a59b5291776979816910
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16445ffa580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14e8715a580000
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-2b7a25df.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/f3a54d09b17c/vmlinux-2b7a25df.xz
kernel image: https://storage.googleapis.com/syzbot-assets/fb704901bce5/bzImage-2b7a25df.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a59b5291776979816910@syzkaller.appspotmail.com
------------[ cut here ]------------
!sta
WARNING: net/mac80211/mlme.c:4504 at ieee80211_mgd_probe_ap_send+0x497/0x560 net/mac80211/mlme.c:4504, CPU#0: kworker/u4:1/13
Modules linked in:
CPU: 0 UID: 0 PID: 13 Comm: kworker/u4:1 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:ieee80211_mgd_probe_ap_send+0x497/0x560 net/mac80211/mlme.c:4504
Code: 4c 89 fe 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d e9 dd 2b 78 f6 e8 98 44 8c f6 90 0f 0b 90 e9 3a fc ff ff e8 8a 44 8c f6 90 <0f> 0b 90 e9 d3 fc ff ff e8 7c 44 8c f6 90 0f 0b 90 e9 3c ff ff ff
RSP: 0018:ffffc9000026fa60 EFLAGS: 00010293
RAX: ffffffff8b3957a6 RBX: ffff888012918dc0 RCX: ffff88801b7b0000
RDX: 0000000000000000 RSI: ffffffff8e16564a RDI: ffff88801b7b0000
RBP: 0000000000000001 R08: ffff88801b7b0000 R09: 000000000000000c
R10: 000000000000000c R11: 0000000000000000 R12: ffff88801291aae2
R13: dffffc0000000000 R14: 0000000000000002 R15: ffff888012919d40
FS: 0000000000000000(0000) GS:ffff88808ca5b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f947154da08 CR3: 000000001253c000 CR4: 0000000000352ef0
Call Trace:
<TASK>
cfg80211_wiphy_work+0x2ab/0x4a0 net/wireless/core.c:440
process_one_work kernel/workqueue.c:3275 [inline]
process_scheduled_works+0xb02/0x1830 kernel/workqueue.c:3358
worker_thread+0xa50/0xfc0 kernel/workqueue.c:3439
kthread+0x388/0x470 kernel/kthread.c:467
ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
prev parent reply other threads:[~2026-02-19 20:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-22 0:06 [syzbot] [wireless?] WARNING in ieee80211_mgd_probe_ap_send (3) syzbot
2026-02-19 20:49 ` syzbot [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=69977759.050a0220.21cd75.0198.GAE@google.com \
--to=syzbot+a59b5291776979816910@syzkaller.appspotmail.com \
--cc=johannes@sipsolutions.net \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=syzkaller-bugs@googlegroups.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox