syzbot


WARNING in ieee80211_request_ibss_scan

Status: upstream: reported on 2025/01/07 16:25
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+1634c5399e29d8b66789@syzkaller.appspotmail.com
First crash: 45d, last: 13d
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in ieee80211_request_ibss_scan 0 (1) 2025/01/07 16:25
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in ieee80211_request_ibss_scan 4 34d 39d 0/3 upstream: reported on 2025/01/09 17:09

Sample crash report:
wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1142 at net/mac80211/scan.c:1213 ieee80211_request_ibss_scan+0x7d8/0x9d0 net/mac80211/scan.c:1213
Modules linked in:
CPU: 1 UID: 0 PID: 1142 Comm: kworker/u32:6 Not tainted 6.14.0-rc1-syzkaller-00020-g0de63bb7d919 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:ieee80211_request_ibss_scan+0x7d8/0x9d0 net/mac80211/scan.c:1213
Code: e9 1b fb ff ff e8 88 42 ef f6 be 04 00 00 00 bf 06 00 00 00 41 bd 04 00 00 00 e8 73 3d ef f6 e9 3b fd ff ff e8 69 42 ef f6 90 <0f> 0b 90 bb ea ff ff ff e9 6e fc ff ff 48 c7 c7 34 5b 62 90 e8 2f
RSP: 0018:ffffc90005d67918 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8aca8f10
RDX: ffff888027818000 RSI: ffffffff8aca8fa7 RDI: 0000000000000005
RBP: ffff88804ffe5720 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000000005
R13: 0000000000000006 R14: dffffc0000000000 R15: ffff888050078e40
FS:  0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055689c074300 CR3: 000000000df80000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_sta_merge_ibss net/mac80211/ibss.c:1291 [inline]
 ieee80211_ibss_work+0x83b/0x14c0 net/mac80211/ibss.c:1673
 ieee80211_iface_work+0xd0b/0xf50 net/mac80211/iface.c:1687
 cfg80211_wiphy_work+0x3ed/0x570 net/wireless/core.c:435
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
 kthread+0x3af/0x750 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (62):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/02/04 10:13 upstream 0de63bb7d919 8f267cef .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/02/04 09:14 upstream 0de63bb7d919 8f267cef .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/02/04 04:42 upstream 0de63bb7d919 8f267cef .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/02/04 01:57 upstream 0de63bb7d919 8f267cef .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/02/03 23:54 upstream 0de63bb7d919 8f267cef .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/02/03 18:05 upstream 2014c95afece a21a8419 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/02/03 15:14 upstream 2014c95afece a21a8419 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/02/03 09:41 upstream 69e858e0b8b2 568559e4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/01/18 10:20 upstream ad26fc09dabf f2cb035c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/01/18 08:10 upstream ad26fc09dabf f2cb035c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/01/18 03:53 upstream ad26fc09dabf f2cb035c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/01/17 02:49 upstream ce69b4019001 f9e07a6e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/01/16 17:32 upstream 619f0b6fad52 f9e07a6e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/01/16 12:52 upstream 619f0b6fad52 968edaf4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/01/16 04:18 upstream 619f0b6fad52 968edaf4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/01/15 17:04 upstream 619f0b6fad52 968edaf4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/01/15 05:39 upstream c3812b15000c 7315a7cf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_request_ibss_scan
2025/01/04 00:11 upstream 63676eefb7a0 f3558dbf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/04 00:10 upstream 63676eefb7a0 f3558dbf .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 22:02 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 22:01 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 21:58 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 21:57 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 21:54 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 21:45 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 21:36 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 21:34 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 21:28 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 21:27 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 21:01 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 20:41 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 20:36 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 20:35 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 20:34 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 20:34 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 20:18 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/03 19:03 upstream 0bc21e701a6f 96d578a3 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_request_ibss_scan
2025/01/06 14:24 net-next 3e5908172c05 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/06 13:47 net-next 3e5908172c05 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/06 09:58 net-next 3e5908172c05 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/06 09:36 net-next 3e5908172c05 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/06 08:17 net-next 3e5908172c05 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/05 19:41 net-next 3e5908172c05 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/05 05:53 net-next 356939999438 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/05 04:38 net-next 356939999438 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/05 02:41 net-next 356939999438 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/04 23:58 net-next 356939999438 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/04 21:59 net-next 356939999438 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/04 21:53 net-next 356939999438 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/04 21:44 net-next 356939999438 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/03 20:09 net-next 3fff5da4ca21 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/03 16:28 net-next 3fff5da4ca21 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/03 16:17 net-next 3fff5da4ca21 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_request_ibss_scan
2025/01/06 04:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 573067a5a685 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ieee80211_request_ibss_scan
2025/01/03 20:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 573067a5a685 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ieee80211_request_ibss_scan
2025/01/03 20:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 573067a5a685 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ieee80211_request_ibss_scan
2025/01/03 19:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 573067a5a685 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ieee80211_request_ibss_scan
2025/01/03 18:56 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 573067a5a685 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in ieee80211_request_ibss_scan
* Struck through repros no longer work on HEAD.