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: 13d, last: 2d08h
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
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in ieee80211_mgd_probe_ap_send (2) wireless 21 28d 246d 0/29 upstream: reported on 2024/11/02 09:52
linux-5.15 WARNING in ieee80211_mgd_probe_ap_send origin:lts-only C done 4 47d 464d 0/3 upstream: reported C repro on 2024/03/29 04:03
upstream WARNING in ieee80211_mgd_probe_ap_send wireless 1 1204d 1200d 0/29 auto-closed as invalid on 2022/07/18 10:06

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>

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/26 07:49 linux-6.6.y 6282921b6825 26d77996 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in ieee80211_mgd_probe_ap_send
2025/07/04 04:16 linux-6.6.y 3f5b4c104b7d 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in ieee80211_mgd_probe_ap_send
2025/06/30 22:32 linux-6.6.y 3f5b4c104b7d 6e83b42d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in ieee80211_mgd_probe_ap_send
2025/06/23 06:52 linux-6.6.y 6282921b6825 d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in ieee80211_mgd_probe_ap_send
2025/06/23 06:47 linux-6.6.y 6282921b6825 d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in ieee80211_mgd_probe_ap_send
* Struck through repros no longer work on HEAD.