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WARNING in ieee80211_mgd_probe_ap_send (3)

Status: upstream: reported C repro on 2025/11/22 00:06
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+a59b5291776979816910@syzkaller.appspotmail.com
First crash: 103d, last: 1d05h
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in ieee80211_mgd_probe_ap_send (3) 0 (2) 2026/02/19 20:49
▶ ▼ 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 214d 483d 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 5 7d22h 702d 0/3 upstream: reported C repro on 2024/03/29 04:03
upstream WARNING in ieee80211_mgd_probe_ap_send wireless -1 1 1441d 1438d 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 6 6d06h 250d 0/2 upstream: reported C repro on 2025/06/23 06:48

Sample crash report:
------------[ cut here ]------------
!sta
WARNING: net/mac80211/mlme.c:4504 at ieee80211_mgd_probe_ap_send+0x497/0x560 net/mac80211/mlme.c:4504, CPU#0: kworker/u4:0/12
Modules linked in:
CPU: 0 UID: 0 PID: 12 Comm: kworker/u4:0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:ieee80211_mgd_probe_ap_send+0x497/0x560 net/mac80211/mlme.c:4504
Code: 4c 89 fe 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d e9 8d 31 78 f6 e8 98 49 8c f6 90 0f 0b 90 e9 3a fc ff ff e8 8a 49 8c f6 90 <0f> 0b 90 e9 d3 fc ff ff e8 7c 49 8c f6 90 0f 0b 90 e9 3c ff ff ff
RSP: 0018:ffffc9000025fa60 EFLAGS: 00010293
RAX: ffffffff8b395196 RBX: ffff888041854dc0 RCX: ffff88801c6dc900
RDX: 0000000000000000 RSI: ffffffff8e1663e6 RDI: ffff88801c6dc900
RBP: 0000000000000001 R08: ffff88801c6dc900 R09: 000000000000000c
R10: 000000000000000c R11: 0000000000000000 R12: ffff888041856ae2
R13: dffffc0000000000 R14: 0000000000000002 R15: ffff888041855d40
FS:  0000000000000000(0000) GS:ffff88808ca5b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c004686000 CR3: 000000003b57b000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 cfg80211_wiphy_work+0x2ab/0x4a0 net/wireless/core.c:440
 process_one_work kernel/workqueue.c:3275 [inline]
 process_scheduled_works+0xb02/0x1830 kernel/workqueue.c:3358
 worker_thread+0xa50/0xfc0 kernel/workqueue.c:3439
 kthread+0x388/0x470 kernel/kthread.c:467
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Crashes (19):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/02/23 06:45 upstream 189f164e573e 6e7b5511 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ieee80211_mgd_probe_ap_send
2026/02/19 20:48 upstream 2b7a25df823d 73a252ac .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ieee80211_mgd_probe_ap_send
2026/02/23 03:45 upstream aaf96df9593b 6e7b5511 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ieee80211_mgd_probe_ap_send
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
2026/02/27 23:21 upstream a75cb869a8cc 2cf092b8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ieee80211_mgd_probe_ap_send
2026/02/22 16:07 upstream 32a92f8c8932 6e7b5511 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ieee80211_mgd_probe_ap_send
2026/02/22 08:58 upstream 32a92f8c8932 6e7b5511 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ieee80211_mgd_probe_ap_send
2026/02/21 02:22 upstream a95f71ad3e2e 741f5161 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ieee80211_mgd_probe_ap_send
2026/02/21 01:47 upstream a95f71ad3e2e 741f5161 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ieee80211_mgd_probe_ap_send
2026/02/20 19:31 upstream 8bf22c33e7a1 741f5161 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ieee80211_mgd_probe_ap_send
2026/02/19 18:38 upstream 2b7a25df823d 73a252ac .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ieee80211_mgd_probe_ap_send
2026/02/19 18:28 upstream 2b7a25df823d 73a252ac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_mgd_probe_ap_send
2026/02/19 18:27 linux-next 44982d352c33 73a252ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in ieee80211_mgd_probe_ap_send
2026/02/19 18:24 linux-next 44982d352c33 73a252ac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in ieee80211_mgd_probe_ap_send
2026/01/28 13:52 linux-next 4f938c7d3b25 004c195c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in ieee80211_mgd_probe_ap_send
2026/01/28 13:27 linux-next 4f938c7d3b25 004c195c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in ieee80211_mgd_probe_ap_send
2026/01/28 13:24 linux-next 4f938c7d3b25 004c195c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in ieee80211_mgd_probe_ap_send
2026/01/28 13:24 linux-next 4f938c7d3b25 004c195c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in ieee80211_mgd_probe_ap_send
2026/01/28 13:22 linux-next 4f938c7d3b25 004c195c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in ieee80211_mgd_probe_ap_send
* Struck through repros no longer work on HEAD.