syzbot


WARNING in ieee80211_request_ibss_scan

Status: upstream: reported on 2025/03/30 22:02
Reported-by: syzbot+93c6f86eb2bbd45d9861@syzkaller.appspotmail.com
First crash: 303d, last: 7d20h
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in ieee80211_request_ibss_scan (2) -1 2 8d02h 8d02h 0/3 upstream: reported on 2026/01/20 08:16
upstream WARNING in ieee80211_request_ibss_scan wireless -1 504 1d03h 385d 0/29 upstream: reported on 2025/01/07 16:25
linux-5.15 WARNING in ieee80211_request_ibss_scan -1 29 151d 383d 0/3 auto-obsoleted due to no activity on 2025/12/07 14:04

Sample crash report:
wlan1: Trigger new scan to find an IBSS to join
------------[ cut here ]------------
WARNING: CPU: 0 PID: 9 at net/mac80211/scan.c:1225 ieee80211_request_ibss_scan+0x7e2/0x890 net/mac80211/scan.c:1225
Modules linked in:
CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: phy12 ieee80211_iface_work
RIP: 0010:ieee80211_request_ibss_scan+0x7e2/0x890 net/mac80211/scan.c:1225
Code: 7c 24 58 e8 20 c9 ff ff 89 c3 48 8b 7c 24 18 e8 a4 df 91 00 89 d8 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ae a1 e0 f7 <0f> 0b bb f0 ff ff ff eb d7 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 92
RSP: 0018:ffffc900000e7a08 EFLAGS: 00010293
RAX: ffffffff89a1b0c2 RBX: 0000000000000000 RCX: ffff88813fec0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000c80 R08: ffffffff8e1f482f R09: 1ffffffff1c3e905
R10: dffffc0000000000 R11: fffffbfff1c3e906 R12: dffffc0000000000
R13: 0000000000000006 R14: ffff88802ac98ec0 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa636609b00 CR3: 000000005b822000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_sta_find_ibss net/mac80211/ibss.c:-1 [inline]
 ieee80211_ibss_work+0xe13/0x10f0 net/mac80211/ibss.c:1705
 process_one_work+0x8a2/0x1160 kernel/workqueue.c:2292
 worker_thread+0xaa2/0x1270 kernel/workqueue.c:2439
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>

Crashes (24):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/20 14:05 linux-6.1.y cd9b81672742 06648d9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in ieee80211_request_ibss_scan
2025/04/07 19:21 linux-6.1.y 3dfebb87d7eb a2ada0e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in ieee80211_request_ibss_scan
2025/04/07 19:21 linux-6.1.y 3dfebb87d7eb a2ada0e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in ieee80211_request_ibss_scan
2025/04/07 19:21 linux-6.1.y 3dfebb87d7eb a2ada0e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in ieee80211_request_ibss_scan
2025/04/07 19:21 linux-6.1.y 3dfebb87d7eb a2ada0e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in ieee80211_request_ibss_scan
2025/12/20 17:13 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/10/29 22:39 linux-6.1.y f6e38ae624cf fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/10/27 19:55 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/10/27 19:54 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/10/27 19:54 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/10/27 19:54 linux-6.1.y 8e6e2188d949 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/07/28 11:50 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/07/10 05:40 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/07/10 05:40 linux-6.1.y 04d1ccaa9c28 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/07/02 08:29 linux-6.1.y 7e69c33e4858 bc80e4f0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/06/19 01:58 linux-6.1.y 58485ff1a74f ed3e87f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/06/16 16:36 linux-6.1.y 58485ff1a74f d1716036 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/06/16 16:32 linux-6.1.y 58485ff1a74f d1716036 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/06/16 16:32 linux-6.1.y 58485ff1a74f d1716036 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/06/16 16:32 linux-6.1.y 58485ff1a74f d1716036 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/05/13 11:40 linux-6.1.y 02b72ccb5f9d f6671af7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/04/23 21:16 linux-6.1.y 420102835862 73a168d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/03/30 23:09 linux-6.1.y 8e60a714ba3b d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
2025/03/30 22:02 linux-6.1.y 8e60a714ba3b d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in ieee80211_request_ibss_scan
* Struck through repros no longer work on HEAD.