syzbot


WARNING in cfg80211_ch_switch_notify

Status: upstream: reported on 2024/08/30 10:30
Reported-by: syzbot+7ba8bafabb1273f836c8@syzkaller.appspotmail.com
First crash: 29d, last: 5h06m
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-5.15 WARNING in cfg80211_ch_switch_notify origin:lts-only C 2953 28m 23d 0/3 upstream: reported C repro on 2024/09/04 14:35

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3723 at net/wireless/core.h:246 cfg80211_ch_switch_notify+0x44f/0x770 net/wireless/nl80211.c:19077
Modules linked in:
CPU: 0 PID: 3723 Comm: kworker/u4:7 Not tainted 6.1.111-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: phy5 ieee80211_csa_finalize_work
RIP: 0010:ASSERT_WDEV_LOCK net/wireless/core.h:246 [inline]
RIP: 0010:cfg80211_ch_switch_notify+0x44f/0x770 net/wireless/nl80211.c:19077
Code: 4d 89 ec 44 8b 6c 24 04 e9 b8 fd ff ff e8 b9 b3 7d f7 0f 0b e9 f6 fd ff ff e8 ad b3 7d f7 0f 0b e9 a0 fd ff ff e8 a1 b3 7d f7 <0f> 0b e9 71 fc ff ff 0f 0b 42 0f b6 04 23 84 c0 0f 85 45 01 00 00
RSP: 0018:ffffc9000407fbd0 EFLAGS: 00010293
RAX: ffffffff8a0cfb9f RBX: 0000000000000000 RCX: ffff888018dbbb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888027d78c90 R08: ffffffff8a0cf80a R09: fffffbfff1d33cae
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888076048760 R14: ffff888027d7a330 R15: ffff88807604ac98
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020c0d030 CR3: 000000007d062000 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:3602
 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:295
 </TASK>

Crashes (251):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/27 07:00 linux-6.1.y e526b12bf916 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in cfg80211_ch_switch_notify
2024/09/24 11:16 linux-6.1.y e526b12bf916 89298aad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in cfg80211_ch_switch_notify
2024/09/24 08:51 linux-6.1.y e526b12bf916 89298aad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in cfg80211_ch_switch_notify
2024/09/24 04:41 linux-6.1.y e526b12bf916 89298aad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in cfg80211_ch_switch_notify
2024/09/24 02:08 linux-6.1.y e526b12bf916 89298aad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in cfg80211_ch_switch_notify
2024/09/20 14:20 linux-6.1.y e526b12bf916 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in cfg80211_ch_switch_notify
2024/09/19 16:16 linux-6.1.y e526b12bf916 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in cfg80211_ch_switch_notify
2024/09/19 16:00 linux-6.1.y e526b12bf916 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in cfg80211_ch_switch_notify
2024/09/19 14:31 linux-6.1.y e526b12bf916 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in cfg80211_ch_switch_notify
2024/09/17 07:35 linux-6.1.y 5f55cad62cc9 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in cfg80211_ch_switch_notify
2024/09/14 07:48 linux-6.1.y 5f55cad62cc9 b58f933c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in cfg80211_ch_switch_notify
2024/08/30 10:30 linux-6.1.y 311d8503ef9f ee2602b8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in cfg80211_ch_switch_notify
2024/09/28 07:04 linux-6.1.y e526b12bf916 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/28 05:17 linux-6.1.y e526b12bf916 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/28 00:28 linux-6.1.y e526b12bf916 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/27 05:59 linux-6.1.y e526b12bf916 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 22:40 linux-6.1.y e526b12bf916 9314348a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 12:18 linux-6.1.y e526b12bf916 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/26 03:16 linux-6.1.y e526b12bf916 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/25 14:44 linux-6.1.y e526b12bf916 349a68c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/25 03:40 linux-6.1.y e526b12bf916 5643e0e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/25 00:41 linux-6.1.y e526b12bf916 5643e0e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/24 20:49 linux-6.1.y e526b12bf916 5643e0e9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/23 16:36 linux-6.1.y e526b12bf916 89298aad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/22 13:04 linux-6.1.y e526b12bf916 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/22 00:55 linux-6.1.y e526b12bf916 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/20 07:29 linux-6.1.y e526b12bf916 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/20 04:49 linux-6.1.y e526b12bf916 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/20 00:57 linux-6.1.y e526b12bf916 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/19 11:44 linux-6.1.y e526b12bf916 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/19 06:07 linux-6.1.y e526b12bf916 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/19 04:50 linux-6.1.y e526b12bf916 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/19 00:46 linux-6.1.y e526b12bf916 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/17 09:33 linux-6.1.y 5f55cad62cc9 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/17 03:21 linux-6.1.y 5f55cad62cc9 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/16 21:05 linux-6.1.y 5f55cad62cc9 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/15 11:53 linux-6.1.y 5f55cad62cc9 08d8a733 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/15 10:29 linux-6.1.y 5f55cad62cc9 08d8a733 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/15 05:48 linux-6.1.y 5f55cad62cc9 08d8a733 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/15 02:31 linux-6.1.y 5f55cad62cc9 08d8a733 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/14 17:59 linux-6.1.y 5f55cad62cc9 c7e35043 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/14 14:17 linux-6.1.y 5f55cad62cc9 c7e35043 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/14 05:03 linux-6.1.y 5f55cad62cc9 b58f933c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
2024/09/14 00:01 linux-6.1.y 5f55cad62cc9 b58f933c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in cfg80211_ch_switch_notify
* Struck through repros no longer work on HEAD.