syzbot


WARNING in __cfg80211_ibss_joined

Status: upstream: reported on 2025/06/19 03:38
Reported-by: syzbot+a32e3087f66d8affe3ec@syzkaller.appspotmail.com
First crash: 239d, last: 20h09m
Similar bugs (6)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in __cfg80211_ibss_joined wireless -1 8 2172d 2192d 0/29 auto-closed as invalid on 2020/07/02 02:22
linux-4.14 WARNING in __cfg80211_ibss_joined -1 C 12 1090d 1968d 0/1 upstream: reported C repro on 2020/09/24 13:20
linux-5.15 WARNING in __cfg80211_ibss_joined missing-backport origin:upstream -1 C 133 3d21h 1073d 0/3 upstream: reported C repro on 2023/03/08 19:50
linux-6.1 WARNING in __cfg80211_ibss_joined origin:upstream missing-backport -1 C inconclusive 170 2d08h 1063d 0/3 upstream: reported C repro on 2023/03/18 13:26
upstream WARNING in __cfg80211_ibss_joined (2) wireless -1 C error 6926 21h37m 1968d 0/29 upstream: reported C repro on 2020/09/24 09:26
linux-4.19 WARNING in __cfg80211_ibss_joined -1 C 236 1082d 1930d 0/1 upstream: reported C repro on 2020/11/01 17:19

Sample crash report:
wlan1: Trigger new scan to find an IBSS to join
------------[ cut here ]------------
WARNING: CPU: 1 PID: 2912 at net/wireless/ibss.c:37 __cfg80211_ibss_joined+0x3d2/0x440 net/wireless/ibss.c:37
Modules linked in:
CPU: 1 PID: 2912 Comm: kworker/u4:8 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Workqueue: cfg80211 cfg80211_event_work
RIP: 0010:__cfg80211_ibss_joined+0x3d2/0x440 net/wireless/ibss.c:37
Code: 00 00 00 48 3b 84 24 80 00 00 00 75 5c 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b7 6d a2 f7 0f 0b eb bb e8 ae 6d a2 f7 <0f> 0b 4c 8b 6c 24 18 eb ad e8 a0 6d a2 f7 0f 0b e9 e0 fd ff ff e8
RSP: 0018:ffffc9000bd27a20 EFLAGS: 00010293
RAX: ffffffff89e4a5f2 RBX: dffffc0000000000 RCX: ffff88802be85a00
RDX: 0000000000000000 RSI: ffffffff8acac900 RDI: ffffffff8b1c81e0
RBP: ffffc9000bd27af8 R08: ffffffff911bf56f R09: 1ffffffff2237ead
R10: dffffc0000000000 R11: fffffbfff2237eae R12: ffff888064f20c90
R13: 1ffff920017a4f4c R14: ffff88807f5ab5f8 R15: 000000000000001f
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fa1bff8 CR3: 0000000046133000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 cfg80211_process_wdev_events+0x3bc/0x550 net/wireless/util.c:1119
 cfg80211_process_rdev_events+0xa1/0x110 net/wireless/util.c:1147
 cfg80211_event_work+0x2f/0x40 net/wireless/core.c:335
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa5d/0x15d0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>

Crashes (42):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/02/13 00:43 linux-6.6.y 1b4ef5214f17 504cb1bf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/02/11 03:25 linux-6.6.y c56aaf1a85ae 441e25b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/02/09 14:01 linux-6.6.y c56aaf1a85ae df949cd9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/02/08 13:06 linux-6.6.y c56aaf1a85ae 4c131dc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/02/08 01:16 linux-6.6.y c56aaf1a85ae 4c131dc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/02/03 11:57 linux-6.6.y 2cf6f68313dc 6df4c87a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/02/02 15:53 linux-6.6.y 2cf6f68313dc 018ebef2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/02/02 13:09 linux-6.6.y 2cf6f68313dc 018ebef2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/01/30 05:45 linux-6.6.y cbb31f77b879 bfa73b7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/01/30 04:53 linux-6.6.y cbb31f77b879 bfa73b7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/01/28 00:36 linux-6.6.y cbb31f77b879 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/01/26 03:51 linux-6.6.y cbb31f77b879 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/01/26 01:07 linux-6.6.y cbb31f77b879 55756628 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/01/23 12:00 linux-6.6.y cbb31f77b879 e2b1b6e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/01/22 20:04 linux-6.6.y cbb31f77b879 82c9c083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/01/13 23:27 linux-6.6.y c596736dadab d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/01/13 21:13 linux-6.6.y c596736dadab d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/01/11 17:26 linux-6.6.y c596736dadab d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/01/11 17:26 linux-6.6.y c596736dadab d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2026/01/05 15:44 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/12/22 14:55 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/11/26 10:16 linux-6.6.y 1e89a1be4fe9 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/11/25 14:09 linux-6.6.y 1e89a1be4fe9 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/11/25 14:01 linux-6.6.y 1e89a1be4fe9 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/11/25 09:43 linux-6.6.y 1e89a1be4fe9 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/11/20 19:38 linux-6.6.y 0a805b6ea8cd 2cc4c24a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/11/19 01:01 linux-6.6.y 0a805b6ea8cd ef766cd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/11/01 12:24 linux-6.6.y e5bbb12db2c7 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/10/27 22:06 linux-6.6.y 4a243110dc88 fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/10/23 02:50 linux-6.6.y f231f248323d c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/10/21 17:10 linux-6.6.y f231f248323d 9832ed61 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/10/16 07:51 linux-6.6.y 0bbbd97a442d 19568248 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/10/14 13:43 linux-6.6.y 655054d2c3c1 b6605ba8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/10/04 18:01 linux-6.6.y f34f16e5c632 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in __cfg80211_ibss_joined
2025/09/26 20:44 linux-6.6.y 147338df3487 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/09/16 10:12 linux-6.6.y 60a9e718726f e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/09/16 08:39 linux-6.6.y 60a9e718726f e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/09/02 21:03 linux-6.6.y cc1a1c5b404a 96a211bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/07/05 11:18 linux-6.6.y 3f5b4c104b7d 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/07/01 18:33 linux-6.6.y 3f5b4c104b7d 091a06cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/06/24 05:10 linux-6.6.y 6282921b6825 e2f27c35 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in __cfg80211_ibss_joined
2025/06/19 03:37 linux-6.6.y c2603c511feb ed3e87f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan WARNING in __cfg80211_ibss_joined
* Struck through repros no longer work on HEAD.