netdev - [syzbot] [wireless?] WARNING in ieee80211_tx

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Message-ID: <689a59ef.050a0220.51d73.00a3.GAE@google.com>
Date: Mon, 11 Aug 2025 14:00:31 -0700
From: syzbot <syzbot+e069674d5df1b877c490@...kaller.appspotmail.com>
To: johannes@...solutions.net, linux-kernel@...r.kernel.org, 
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] [wireless?] WARNING in ieee80211_tx_monitor (2)

Hello,

syzbot found the following issue on:

HEAD commit:    6e64f4580381 Merge tag 'input-for-v6.17-rc0' of git://git...
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15aae434580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7c81a94587811e52
dashboard link: https://syzkaller.appspot.com/bug?extid=e069674d5df1b877c490
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

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

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-6e64f458.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/cefe2e59409f/vmlinux-6e64f458.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b76a96a3deca/bzImage-6e64f458.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e069674d5df1b877c490@...kaller.appspotmail.com

------------[ cut here ]------------
WARNING: CPU: 2 PID: 54 at net/mac80211/status.c:908 ieee80211_tx_monitor+0x2017/0x2510 net/mac80211/status.c:908
Modules linked in:
CPU: 2 UID: 0 PID: 54 Comm: kworker/u32:3 Not tainted 6.16.0-syzkaller-11952-g6e64f4580381 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:ieee80211_tx_monitor+0x2017/0x2510 net/mac80211/status.c:908
Code: 0f 9e c2 84 c0 0f 95 c0 84 c2 0f 84 ab eb ff ff 48 8b 7c 24 18 be 02 00 00 00 e8 04 c7 22 f7 e9 97 eb ff ff e8 ba 6f bc f6 90 <0f> 0b 90 48 c7 c7 40 69 08 8d e8 3a 19 9b f6 4c 89 ff e8 92 82 68
RSP: 0018:ffffc90000648c88 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000d RCX: ffffffff8aff0fdd
RDX: ffff88801cfd2440 RSI: ffffffff8aff2366 RDI: 0000000000000004
RBP: ffffc90000648e00 R08: 0000000000000004 R09: 0000000000000000
R10: 000000000000000d R11: 0000000000000000 R12: ffff88805ecf7930
R13: 0000000000000000 R14: 000000000000000d R15: ffff88805ecf7900
FS:  0000000000000000(0000) GS:ffff8880d68c4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555859de808 CR3: 0000000029c8d000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 __ieee80211_tx_status net/mac80211/status.c:1093 [inline]
 ieee80211_tx_status_ext+0x1e9b/0x2ad0 net/mac80211/status.c:1218
 ieee80211_tx_status_skb+0x132/0x2c0 net/mac80211/status.c:1116
 ieee80211_handle_queued_frames+0xf1/0x130 net/mac80211/main.c:457
 tasklet_action_common+0x281/0x400 kernel/softirq.c:829
 handle_softirqs+0x216/0x8e0 kernel/softirq.c:579
 do_softirq kernel/softirq.c:480 [inline]
 do_softirq+0xb2/0xf0 kernel/softirq.c:467
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:407
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 ieee80211_ibss_work+0x382/0x1480 net/mac80211/ibss.c:1658
 ieee80211_iface_work+0xe6d/0x1360 net/mac80211/iface.c:1775
 cfg80211_wiphy_work+0x2c7/0x580 net/wireless/core.c:435
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>


---
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