syzbot


WARNING in cfg80211_ch_switch_notify

Status: upstream: reported C repro on 2024/09/04 14:35
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+7bf1d8a6bb81cb878233@syzkaller.appspotmail.com
First crash: 34d, last: 10m
Bug presence (2)
Date Name Commit Repro Result
2024/09/06 linux-5.15.y (ToT) 14e468424d3e C [report] WARNING in cfg80211_ch_switch_notify
2024/09/06 upstream (ToT) 6b8ff511e412 C Didn't crash
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in cfg80211_ch_switch_notify wireless C done 744 793d 836d 22/28 fixed on 2023/02/24 13:50
linux-6.1 WARNING in cfg80211_ch_switch_notify 260 10d 39d 0/3 upstream: reported on 2024/08/30 10:30

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 144 at net/wireless/core.h:235 cfg80211_ch_switch_notify+0x2b5/0x470 net/wireless/nl80211.c:17540
Modules linked in:

CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: phy4 ieee80211_csa_finalize_work
RIP: 0010:ASSERT_WDEV_LOCK net/wireless/core.h:235 [inline]
RIP: 0010:cfg80211_ch_switch_notify+0x2b5/0x470 net/wireless/nl80211.c:17540
Code: 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d5 01 00 00 e8 d0 91 d7 f7 0f 0b e9 9e fe ff ff e8 c4 91 d7 f7 0f 0b eb b1 e8 bb 91 d7 f7 <0f> 0b e9 fc fd ff ff e8 af 91 d7 f7 0f 0b e9 db fe ff ff e8 a3 91
RSP: 0018:ffffc900010dfbe8 EFLAGS: 00010293
RAX: ffffffff89a8c8b5 RBX: ffff88801f248c90 RCX: ffff8880197abb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff89a8c6ab R09: fffffbfff1bd2c16
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801f1185c0
R13: dffffc0000000000 R14: ffff88801f248cd8 R15: ffff88801f2496c0
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 0000000020508000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_csa_finalize_work+0xf8/0x140 net/mac80211/cfg.c:3288
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>

Crashes (4206):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/04 17:54 linux-5.15.y 3a5928702e71 d7906eff .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/04 16:29 linux-5.15.y 3a5928702e71 d7906eff .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/22 10:40 linux-5.15.y 3a5928702e71 6f888b75 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/09 07:58 linux-5.15.y 14e468424d3e 9750182a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/06 03:59 linux-5.15.y 14e468424d3e 464ac2ed .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/09 06:21 linux-5.15.y 3a5928702e71 402f1df0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/09 04:25 linux-5.15.y 3a5928702e71 402f1df0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/06 21:22 linux-5.15.y 3a5928702e71 d7906eff .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/05 10:19 linux-5.15.y 3a5928702e71 d7906eff .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/04 22:27 linux-5.15.y 3a5928702e71 d7906eff .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/04 07:52 linux-5.15.y 3a5928702e71 d7906eff .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/29 20:36 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/27 04:02 linux-5.15.y 3a5928702e71 9314348a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/24 03:55 linux-5.15.y 3a5928702e71 89298aad .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/21 19:37 linux-5.15.y 3a5928702e71 6f888b75 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/20 10:59 linux-5.15.y 3a5928702e71 6f888b75 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/18 22:59 linux-5.15.y 3a5928702e71 c673ca06 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/11 16:23 linux-5.15.y 14e468424d3e 8ab55d0e .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/07 06:30 linux-5.15.y 14e468424d3e 9750182a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/05 22:04 linux-5.15.y 14e468424d3e 464ac2ed .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/05 08:57 linux-5.15.y 14e468424d3e dfbe2ed4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/09 05:55 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/09 01:39 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/08 21:53 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/08 17:20 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/08 16:06 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/08 14:49 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/08 14:38 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/08 12:31 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/08 11:11 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/08 10:55 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/08 08:17 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/08 02:33 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/07 22:25 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/07 22:10 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/07 21:47 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/07 12:50 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/07 06:52 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/07 02:00 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/10/09 03:30 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/09 00:28 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/08 20:46 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/08 20:22 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/08 18:42 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/08 13:28 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/08 09:41 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/08 08:54 linux-5.15.y 3a5928702e71 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/08 03:28 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/08 01:27 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 23:41 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 20:40 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 20:21 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 19:19 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 18:13 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 15:47 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 13:58 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 11:03 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 09:22 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 07:54 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 06:51 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 05:22 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 04:07 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/10/07 03:07 linux-5.15.y 3a5928702e71 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/04 14:34 linux-5.15.y 14e468424d3e 9d47f20a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
* Struck through repros no longer work on HEAD.