syzbot


WARNING in cfg80211_scan_done

Status: upstream: reported on 2025/03/14 06:34
Reported-by: syzbot+b87221e3eb1912befae2@syzkaller.appspotmail.com
First crash: 64d, last: 55d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in cfg80211_scan_done 3 109d 111d 0/3 auto-obsoleted due to no activity on 2025/05/07 16:33
upstream WARNING in cfg80211_scan_done wireless 22 6d08h 276d 0/28 upstream: reported on 2024/08/13 14:03

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4622 at net/wireless/scan.c:1101 cfg80211_scan_done+0x33d/0x4c0
Modules linked in:
CPU: 1 PID: 4622 Comm: kworker/u4:8 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: phy15 ieee80211_scan_work
RIP: 0010:cfg80211_scan_done+0x33d/0x4c0 net/wireless/scan.c:1100
Code: 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 cb 27 cf f7 0f 0b e9 c1 fd ff ff e8 bf 27 cf f7 0f 0b e9 12 fe ff ff e8 b3 27 cf f7 <0f> 0b e9 8d fe ff ff 89 d9 80 e1 07 38 c1 0f 8c b5 fe ff ff 48 89
RSP: 0018:ffffc9000470f960 EFLAGS: 00010293
RAX: ffffffff89b1750d RBX: ffff88801e7081b0 RCX: ffff888079ca1dc0
RDX: 0000000000000000 RSI: ffffffff8af9fa60 RDI: ffffffff8af9fa20
RBP: ffffc9000470fa30 R08: ffffffff89b172fc R09: fffffbfff1c153f6
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801e7081b8
R13: dffffc0000000000 R14: 1ffff1100efd824d R15: ffff888077ec1200
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056142d39e950 CR3: 0000000058d8b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __ieee80211_scan_completed+0x511/0xa00 net/mac80211/scan.c:478
 ieee80211_scan_work+0x16b/0x1d00 net/mac80211/scan.c:1163
 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 (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/14 06:33 linux-5.15.y 0c935c049b5c e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in cfg80211_scan_done
2025/03/22 10:13 linux-5.15.y 0c935c049b5c c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in cfg80211_scan_done
* Struck through repros no longer work on HEAD.