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WARNING in __cfg80211_ibss_joined

Status: upstream: reported C repro on 2023/03/18 13:26
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+06ac196aa9b02158d28c@syzkaller.appspotmail.com
First crash: 190d, last: 8d21h
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2023/05/08 upstream (ToT) ac9a78681b92 C [report] WARNING in __cfg80211_ibss_joined
▶ ▼ Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in __cfg80211_ibss_joined wireless net 8 1300d 1319d 0/25 auto-closed as invalid on 2020/07/02 02:22
linux-4.14 WARNING in __cfg80211_ibss_joined C 12 217d 1095d 0/1 upstream: reported C repro on 2020/09/24 13:20
linux-5.15 WARNING in __cfg80211_ibss_joined origin:upstream C 20 36d 200d 0/3 upstream: reported C repro on 2023/03/08 19:50
upstream WARNING in __cfg80211_ibss_joined (2) wireless net C error 4317 20h09m 1095d 0/25 upstream: reported C repro on 2020/09/24 09:26
linux-4.19 WARNING in __cfg80211_ibss_joined C 236 210d 1057d 0/1 upstream: reported C repro on 2020/11/01 17:19
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/06/28 02:53 1h04m bisect fix linux-6.1.y job log (0) log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 56 at net/wireless/ibss.c:37 __cfg80211_ibss_joined+0x42b/0x4b0
Modules linked in:
CPU: 1 PID: 56 Comm: kworker/u4:4 Not tainted 6.1.27-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Workqueue: cfg80211 cfg80211_event_work
RIP: 0010:__cfg80211_ibss_joined+0x42b/0x4b0 net/wireless/ibss.c:37
Code: 3b 84 24 80 00 00 00 0f 85 8e 00 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1e 5e 9c f7 0f 0b eb bf e8 15 5e 9c f7 <0f> 0b eb b1 e8 0c 5e 9c f7 0f 0b e9 70 fd ff ff e8 00 5e 9c f7 0f
RSP: 0018:ffffc90001577ac0 EFLAGS: 00010293
RAX: ffffffff89ed6aab RBX: 0000000000000006 RCX: ffff888019a8ba80
RDX: 0000000000000000 RSI: ffffffff8aebd020 RDI: ffffffff8b3cbfa0
RBP: ffffc90001577ba0 R08: dffffc0000000000 R09: fffffbfff2050452
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802116cc90
R13: dffffc0000000000 R14: ffff88801e95b638 R15: 1ffff920002aef60
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4613c5d1f8 CR3: 000000000cc8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cfg80211_process_wdev_events+0x39f/0x4c0 net/wireless/util.c:986
 cfg80211_process_rdev_events+0xa8/0x100 net/wireless/util.c:1012
 cfg80211_event_work+0x2b/0x40 net/wireless/core.c:328
 process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289
 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436
 kthread+0x26e/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Crashes (12):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/05/07 19:24 linux-6.1.y ca48fc16c493 90c93c40 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2023/05/28 10:57 linux-6.1.y a343b0dd87b4 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2023/05/28 07:07 linux-6.1.y a343b0dd87b4 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2023/05/08 07:34 linux-6.1.y ca48fc16c493 90c93c40 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2023/04/01 05:46 linux-6.1.y 3b29299e5f60 f325deb0 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2023/04/01 02:06 linux-6.1.y 3b29299e5f60 f325deb0 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2023/03/19 15:48 linux-6.1.y 7eaef76fbc46 7939252e .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2023/03/18 13:25 linux-6.1.y 7eaef76fbc46 7939252e .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2023/09/16 10:10 linux-6.1.y 09045dae0d90 0b6a67ac .config console log report syz [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2023/04/23 21:51 linux-6.1.y f17b0ab65d17 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2023/04/17 01:47 linux-6.1.y 0102425ac76b ec410564 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2023/08/05 14:41 linux-6.1.y 52a953d0934b 4ffcc9ef .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
* Struck through repros no longer work on HEAD.