[v6.6] WARNING in cfg80211_scan_done

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: da47cbc25466 Linux 6.6.144
git tree: linux-6.6.y
console output: https://syzkaller.appspot.com/x/log.txt?x=112df346580000
kernel config: https://syzkaller.appspot.com/x/.config?x=938110aa66424b94
dashboard link: https://syzkaller.appspot.com/bug?extid=12e8bde381f7bc88b1f4
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/a9e82134d7e6/disk-da47cbc2.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/296a86743157/vmlinux-da47cbc2.xz
kernel image: https://storage.googleapis.com/syzbot-assets/c5adb532f254/bzImage-da47cbc2.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+12e8bd...@syzkaller.appspotmail.com

------------[ cut here ]------------
WARNING: CPU: 1 PID: 3517 at net/wireless/scan.c:1144 cfg80211_scan_done+0x2dc/0x480 net/wireless/scan.c:1143
Modules linked in:
CPU: 1 PID: 3517 Comm: kworker/u4:12 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:cfg80211_scan_done+0x2dc/0x480 net/wireless/scan.c:1143
Code: 00 00 00 48 3b 44 24 60 75 68 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 40 23 a6 f7 0f 0b e9 ed fd ff ff e8 34 23 a6 f7 <0f> 0b e9 cd fe ff ff e8 28 23 a6 f7 0f 0b e9 28 fe ff ff 44 89 f9
RSP: 0018:ffffc9000d1779a0 EFLAGS: 00010293
RAX: ffffffff89e0c23c RBX: ffff8880676e0000 RCX: ffff88802e6f3c00
RDX: 0000000000000000 RSI: ffffffff8b1cfa00 RDI: ffffffff8b1cf9c0
RBP: ffffc9000d177a48 R08: ffffffff8e8c6b2f R09: 1ffffffff1d18d65
R10: dffffc0000000000 R11: fffffbfff1d18d66 R12: dffffc0000000000
R13: 1ffff1100cedc00d R14: ffff8880676e0068 R15: ffff88802f0c01b8
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555927f9f8 CR3: 0000000061f93000 CR4: 00000000003506e0
Call Trace:
<TASK>
__ieee80211_scan_completed+0x4d2/0x9c0 net/mac80211/scan.c:472
ieee80211_scan_work+0x2b7/0x1b30 net/mac80211/scan.c:1158
cfg80211_wiphy_work+0x228/0x260 net/wireless/core.c:437
process_one_work kernel/workqueue.c:2653 [inline]
process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2730
worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2811
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
</TASK>


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