syzbot
WARNING in ieee80211_mgd_probe_ap_send (2)
Status:
upstream: reported on 2026/08/08 07:43
Reported-by: syzbot+b7eb5454d1bbd0ad507f@syzkaller.appspotmail.com
First crash: 12d, last: 12h06m
Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4514 at net/mac80211/mlme.c:2557 ieee80211_mgd_probe_ap_send+0x5aa/0x670 net/mac80211/mlme.c:2557
Modules linked in:
CPU: 1 PID: 4514 Comm: kworker/u4:14 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: phy12 ieee80211_beacon_connection_loss_work
RIP: 0010:ieee80211_mgd_probe_ap_send+0x5aa/0x670 net/mac80211/mlme.c:2557
Code: 5c 19 1b f8 48 8b 3c 24 48 81 c7 88 0d 00 00 4c 89 f6 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 2b 37 0a f8 e8 36 19 1b f8 <0f> 0b e9 74 fb ff ff e8 2a 19 1b f8 0f 0b e9 42 ff ff ff e8 1e 19
RSP: 0000:ffffc900034bfbb0 EFLAGS: 00010293
RAX: ffffffff895de45a RBX: ffff88805de10c80 RCX: ffff88801d7f0000
RDX: 0000000000000000 RSI: ffffffff8a2b3e80 RDI: ffffffff8a7a4280
RBP: 1ffff1100bbc2251 R08: ffffffff8d8b18ef R09: 1ffffffff1b1631d
R10: dffffc0000000000 R11: fffffbfff1b1631e R12: ffff8880614ad4b8
R13: ffff88805de11288 R14: 0000000000000002 R15: ffff88805de11c78
FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555905344e8 CR3: 0000000061c0a000 CR4: 00000000003506e0
Call Trace:
<TASK>
ieee80211_mgd_probe_ap+0x2b8/0x320 net/mac80211/mlme.c:2640
process_one_work+0x867/0xff0 kernel/workqueue.c:2310
worker_thread+0xad7/0x12a0 kernel/workqueue.c:2457
kthread+0x42e/0x520 kernel/kthread.c:334
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
</TASK>
* Struck through repros no longer work on HEAD.