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WARNING in __cfg80211_ibss_joined

Status: upstream: reported C repro on 2023/03/18 13:26
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+06ac196aa9b02158d28c@syzkaller.appspotmail.com
First crash: 790d, last: 37d
Fix bisection: the issue occurs on the latest tested release (bisect log)
Crash: WARNING in __cfg80211_ibss_joined (log)
Repro: C syz .config
  
▶ ▼ Bug presence (3)
Date Name Commit Repro Result
2024/05/03 linux-6.1.y (ToT) 909ba1f1b414 C [report] INFO: rcu detected stall in corrupted
2023/05/08 upstream (ToT) ac9a78681b92 C [report] WARNING in __cfg80211_ibss_joined
2024/05/03 upstream (ToT) 3d25a941ea50 C Didn't crash
▶ ▼ Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in __cfg80211_ibss_joined wireless 8 1899d 1918d 0/28 auto-closed as invalid on 2020/07/02 02:22
linux-4.14 WARNING in __cfg80211_ibss_joined C 12 817d 1695d 0/1 upstream: reported C repro on 2020/09/24 13:20
linux-5.15 WARNING in __cfg80211_ibss_joined origin:upstream missing-backport C 54 14d 799d 0/3 upstream: reported C repro on 2023/03/08 19:50
upstream WARNING in __cfg80211_ibss_joined (2) wireless C error 6583 now 1695d 0/28 upstream: reported C repro on 2020/09/24 09:26
linux-4.19 WARNING in __cfg80211_ibss_joined C 236 809d 1656d 0/1 upstream: reported C repro on 2020/11/01 17:19
▶ ▼ Fix bisection attempts (5)
Created Duration User Patch Repo Result
2024/08/22 12:58 9h48m fix candidate upstream OK (2) job log
2024/03/25 00:27 1h16m bisect fix linux-6.1.y OK (0) job log log
2024/01/09 13:20 1h30m bisect fix linux-6.1.y OK (0) job log log
2023/12/10 11:48 1h31m bisect fix linux-6.1.y OK (0) job log log
2023/06/28 02:53 1h04m bisect fix linux-6.1.y OK (0) job log log

Sample crash report:
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
------------[ cut here ]------------
WARNING: CPU: 1 PID: 38 at net/wireless/ibss.c:37 __cfg80211_ibss_joined+0x42b/0x4b0
Modules linked in:
CPU: 1 PID: 38 Comm: kworker/u4:2 Not tainted 6.1.79-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
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 fe a5 94 f7 0f 0b eb bf e8 f5 a5 94 f7 <0f> 0b eb b1 e8 ec a5 94 f7 0f 0b e9 70 fd ff ff e8 e0 a5 94 f7 0f
RSP: 0018:ffffc90000af7ac0 EFLAGS: 00010293
RAX: ffffffff89f5d8fb RBX: 000000000000000b RCX: ffff888016ebbb80
RDX: 0000000000000000 RSI: ffffffff8aebed40 RDI: ffffffff8b3d1040
RBP: ffffc90000af7ba0 R08: dffffc0000000000 R09: fffffbfff2092651
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880275e4c90
R13: dffffc0000000000 R14: ffff888079a1b5b8 R15: 1ffff9200015ef60
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f65024edee8 CR3: 000000000ce8e000 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:330
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Crashes (59):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/02/23 22:39 linux-6.1.y 81e1dc2f7001 8d446f15 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
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
2023/04/01 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
2023/05/28 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 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
2025/04/09 14:22 linux-6.1.y 3dfebb87d7eb 47d015b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2025/04/07 17:52 linux-6.1.y 3dfebb87d7eb a2ada0e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2025/04/05 06:30 linux-6.1.y 8e60a714ba3b c53ea9c9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2025/02/05 22:01 linux-6.1.y 0cbb5f65e52f 4dc70884 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2025/01/29 17:11 linux-6.1.y 75cefdf153f5 136953f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2025/01/28 11:17 linux-6.1.y 75cefdf153f5 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2025/01/23 18:53 linux-6.1.y 75cefdf153f5 521b0ce3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2025/01/23 04:41 linux-6.1.y f4f677285b38 a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2025/01/19 14:32 linux-6.1.y f4f677285b38 f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2025/01/12 23:50 linux-6.1.y c63962be84ef 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/11/29 06:47 linux-6.1.y e4d90d63d385 5df23865 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/11/10 00:15 linux-6.1.y d7039b844a1c 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2024/10/22 02:30 linux-6.1.y 54d90d17e8ce f1e4447c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2024/10/06 03:07 linux-6.1.y aa4cd140bba5 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/10/06 01:58 linux-6.1.y aa4cd140bba5 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/09/09 09:40 linux-6.1.y 5ca5b389fddf 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/09/06 10:58 linux-6.1.y 699506173494 464ac2ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/08/19 15:01 linux-6.1.y ee5e09825b81 9f0ab3fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/08/17 06:42 linux-6.1.y 117ac406ba90 dbc93b08 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/08/06 15:23 linux-6.1.y 48d525b0e463 1ef9fe42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2024/07/30 22:53 linux-6.1.y c1cec4dad96b 6fde257d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2024/07/29 15:48 linux-6.1.y c1cec4dad96b 5187fc86 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/07/16 23:07 linux-6.1.y cac15753b8ce b66b37bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2024/06/15 05:51 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/06/11 20:39 linux-6.1.y 88690811da69 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/06/10 10:49 linux-6.1.y 88690811da69 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/06/10 07:30 linux-6.1.y 88690811da69 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/05/27 17:00 linux-6.1.y 88690811da69 761766e6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/04/25 18:22 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/04/15 11:44 linux-6.1.y cd5d98c0556c c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/04/15 11:41 linux-6.1.y cd5d98c0556c c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/04/12 16:50 linux-6.1.y bf1e3b1cb1e0 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/04/12 12:24 linux-6.1.y bf1e3b1cb1e0 27de0a5c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf WARNING in __cfg80211_ibss_joined
2024/02/23 22:09 linux-6.1.y 81e1dc2f7001 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __cfg80211_ibss_joined
2024/11/04 11:19 linux-6.1.y 7c15117f9468 f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2024/09/30 21:38 linux-6.1.y aa4cd140bba5 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2024/09/13 05:49 linux-6.1.y 5f55cad62cc9 73e8a465 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2024/08/15 14:42 linux-6.1.y 117ac406ba90 e4bacdaf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2024/07/17 01:14 linux-6.1.y cac15753b8ce b66b37bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2024/07/12 13:39 linux-6.1.y 266ee8e06d5b eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2024/05/18 20:20 linux-6.1.y 4078fa637fcd c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2024/01/23 18:55 linux-6.1.y 8fd7f4462453 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2023/11/10 09:32 linux-6.1.y fb2635ac69ab 45e9b83e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __cfg80211_ibss_joined
2023/10/15 18:52 linux-6.1.y adc4d740ad9e f757a323 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 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.