syzbot
WARNING in ieee80211_mgd_probe_ap_send
Status:
upstream: reported C repro on 2025/06/23 06:48
Bug presence:
origin:lts-only
[Documentation on labels]
Reported-by: syzbot+b17cfd47d0cf1a3b7cdf@syzkaller.appspotmail.com
First crash: 407d, last: 162d
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Bug presence (2)
| Date |
Name |
Commit |
Repro |
Result |
| 2025/06/28 |
linux-6.6.y (ToT) |
3f5b4c104b7d |
C
|
[report] WARNING in ieee80211_mgd_probe_ap_send
|
| 2025/06/28 |
upstream (ToT) |
26fd9f7b7ff3 |
C
|
Didn't crash |
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Fix bisection attempts (3)
Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 42 at net/mac80211/mlme.c:3206 ieee80211_mgd_probe_ap_send+0x44f/0x500 net/mac80211/mlme.c:3206
Modules linked in:
CPU: 1 PID: 42 Comm: kworker/u4:2 Not tainted 6.6.94-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:ieee80211_mgd_probe_ap_send+0x44f/0x500 net/mac80211/mlme.c:3206
Code: 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 9b 5b 82 f7 e8 06 dc 92 f7 0f 0b eb bc e8 fd db 92 f7 0f 0b e9 4c ff ff ff e8 f1 db 92 f7 <0f> 0b 41 80 7c 2d 00 00 0f 85 e4 fc ff ff e9 e7 fc ff ff 44 89 f1
RSP: 0018:ffffc90000b2fad8 EFLAGS: 00010293
RAX: ffffffff89f2b9df RBX: ffff888023464c80 RCX: ffff8880186d0000
RDX: 0000000000000000 RSI: ffffffff8aaac440 RDI: ffffffff8afc6900
RBP: dffffc0000000000 R08: ffffffff8e49ab2f R09: 1ffffffff1c93565
R10: dffffc0000000000 R11: fffffbfff1c93566 R12: ffff888023465598
R13: 1ffff1100468cab3 R14: ffff888023465b60 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555d562ca8 CR3: 000000002d854000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ieee80211_mgd_probe_ap+0x325/0x3f0 net/mac80211/mlme.c:3290
cfg80211_wiphy_work+0x225/0x260 net/wireless/core.c:437
process_one_work kernel/workqueue.c:2634 [inline]
process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
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>
* Struck through repros no longer work on HEAD.