syzbot


WARNING in ieee80211_mgd_probe_ap_send (3)

Status: upstream: reported on 2025/11/22 00:06
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+a59b5291776979816910@syzkaller.appspotmail.com
First crash: 5d02h, last: 5d02h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in ieee80211_mgd_probe_ap_send (3) 0 (1) 2025/11/22 00:06
Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in ieee80211_mgd_probe_ap_send (2) wireless -1 26 116d 385d 0/29 auto-obsoleted due to no activity on 2025/11/06 05:42
linux-5.15 WARNING in ieee80211_mgd_probe_ap_send origin:lts-only -1 C done 4 45d 603d 0/3 upstream: reported C repro on 2024/03/29 04:03
upstream WARNING in ieee80211_mgd_probe_ap_send wireless -1 1 1343d 1340d 0/29 auto-closed as invalid on 2022/07/18 10:06
linux-6.6 WARNING in ieee80211_mgd_probe_ap_send origin:lts-only -1 C inconclusive 5 70d 152d 0/2 upstream: reported C repro on 2025/06/23 06:48

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 36 at net/mac80211/mlme.c:4406 ieee80211_mgd_probe_ap_send+0x4e5/0x590 net/mac80211/mlme.c:4406
Modules linked in:
CPU: 0 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:ieee80211_mgd_probe_ap_send+0x4e5/0x590 net/mac80211/mlme.c:4406
Code: 41 5f 5d e9 2d f5 d7 f6 e8 48 04 eb f6 90 0f 0b 90 e9 0c fc ff ff e8 3a 04 eb f6 90 0f 0b 90 e9 4c ff ff ff e8 2c 04 eb f6 90 <0f> 0b 90 e9 a9 fc ff ff 48 c7 c1 90 1b 7d 8f 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90000ac79c0 EFLAGS: 00010293
RAX: ffffffff8ad4ffe4 RBX: dffffc0000000000 RCX: ffff888143691e40
RDX: 0000000000000000 RSI: ffffffff8d8f4f27 RDI: ffff888143691e40
RBP: 0000000000000002 R08: ffff888143691e40 R09: 000000000000000c
R10: 000000000000000c R11: 0000000000000000 R12: 1ffff1100b1d6ba0
R13: ffff888058eb4d80 R14: ffff888058eb6ad2 R15: ffff888058eb5d00
FS:  0000000000000000(0000) GS:ffff88812613b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000c3dfece CR3: 000000002e504000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 cfg80211_wiphy_work+0x2bb/0x470 net/wireless/core.c:435
 process_one_work kernel/workqueue.c:3263 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/17 23:57 upstream 6a23ae0a96a6 ef766cd7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in ieee80211_mgd_probe_ap_send
* Struck through repros no longer work on HEAD.