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: 23d, last: now
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 782d 826d 22/28 fixed on 2023/02/24 13:50
linux-6.1 WARNING in cfg80211_ch_switch_notify 251 7h13m 29d 0/3 upstream: reported on 2024/08/30 10:30

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 144 at net/wireless/core.h:235 cfg80211_ch_switch_notify+0x2b5/0x470 net/wireless/nl80211.c:17540
Modules linked in:
CPU: 1 PID: 144 Comm: kworker/u4:1 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: phy3 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:ffffc9000175fbe8 EFLAGS: 00010293

RAX: ffffffff89a8c8b5 RBX: ffff88807b784c90 RCX: ffff88801c2c0000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff89a8c6ab R09: fffffbfff1bd2c16
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888072f285c0
R13: dffffc0000000000 R14: ffff88807b784cd8 R15: ffff88807b7856c0
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555a3d5ca8 CR3: 000000002867b000 CR4: 00000000003506e0
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 (2957):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2024/09/27 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
2024/09/28 14:10 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/28 11:07 linux-5.15.y 3a5928702e71 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/28 05:49 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/28 01:28 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/27 23:10 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/27 23:10 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/27 21:54 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/27 19:16 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/27 06:32 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/26 21:48 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/26 20:46 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/26 20:37 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/26 17:21 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/26 09:44 linux-5.15.y 3a5928702e71 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/26 03:05 linux-5.15.y 3a5928702e71 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/26 01:05 linux-5.15.y 3a5928702e71 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_ch_switch_notify
2024/09/28 09:14 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/28 08:14 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/28 07:12 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/28 04:37 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/28 04:07 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/28 03:03 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/28 02:58 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/28 01:53 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/28 01:36 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/27 23:57 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/27 16:43 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/27 15:40 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/27 13:44 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/27 10:53 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/27 09:04 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/27 07:41 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/27 05:23 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/27 05:10 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/27 01:29 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 23:55 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 23:06 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 22:05 linux-5.15.y 3a5928702e71 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 12:18 linux-5.15.y 3a5928702e71 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 10:52 linux-5.15.y 3a5928702e71 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 08:29 linux-5.15.y 3a5928702e71 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 06:45 linux-5.15.y 3a5928702e71 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 06:43 linux-5.15.y 3a5928702e71 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 04:11 linux-5.15.y 3a5928702e71 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 01:51 linux-5.15.y 3a5928702e71 0d19f247 .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.