syzbot


WARNING in cfg80211_scan_done

Status: upstream: reported C repro on 2024/08/13 14:03
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+189dcafc06865d38178d@syzkaller.appspotmail.com
First crash: 520d, last: 4d19h
Cause bisection: failed (error log, bisect log)
  
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in cfg80211_scan_done 0 (5) 2026/01/05 17:04
[PATCH] wifi: cfg80211: Prevent comparison with invalid registered dev scan req 3 (3) 2025/06/23 08:26
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 WARNING in cfg80211_scan_done -1 3 349d 351d 0/3 auto-obsoleted due to no activity on 2025/05/07 16:33
linux-6.1 WARNING in cfg80211_scan_done (2) origin:upstream -1 syz error 4 212d 212d 0/3 upstream: reported syz repro on 2025/06/13 02:16
linux-5.15 WARNING in cfg80211_scan_done -1 2 295d 303d 0/3 auto-obsoleted due to no activity on 2025/06/30 10:14
Last patch testing requests (6)
Created Duration User Patch Repo Result
2025/11/29 09:46 1h02m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2025/11/14 21:07 38m retest repro upstream report log
2025/09/17 23:07 22m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2025/07/02 04:59 27m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2025/06/19 07:37 25m lizhi.xu@windriver.com patch git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2025/06/19 02:52 25m lizhi.xu@windriver.com patch git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log

Sample crash report:
------------[ cut here ]------------
WARNING: net/wireless/scan.c:1194 at cfg80211_scan_done+0x2d5/0x460 net/wireless/scan.c:1193, CPU#0: kworker/u8:15/3576
Modules linked in:
CPU: 0 UID: 0 PID: 3576 Comm: kworker/u8:15 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:cfg80211_scan_done+0x2d5/0x460 net/wireless/scan.c:1193
Code: 75 7b 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 7a 8a 9c f7 90 0f 0b 90 e9 25 fe ff ff e8 6c 8a 9c f7 90 <0f> 0b 90 e9 db fe ff ff e8 5e 8a 9c f7 48 8d 3d f7 43 c7 04 67 48
RSP: 0018:ffffc9000d2e78e0 EFLAGS: 00010293
RAX: ffffffff8a2321c4 RBX: ffff88802e603618 RCX: ffff88803083dac0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000d2e79a8 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1db66ef R12: ffff88802e603600
R13: ffff88802e603678 R14: dffffc0000000000 R15: ffff888031c10860
FS:  0000000000000000(0000) GS:ffff888126cef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff386e7408 CR3: 000000000d3a8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __ieee80211_scan_completed+0x550/0xb20 net/mac80211/scan.c:505
 cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>

Crashes (45):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/05 17:03 upstream 3609fa95fb0f d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in cfg80211_scan_done
2025/10/31 04:32 upstream e53642b87a4f 2c50b6a9 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in cfg80211_scan_done
2025/12/29 00:52 upstream c875a6c32467 d1b870e1 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2 (corrupt fs)] ci-snapshot-upstream-root WARNING in cfg80211_scan_done
2026/01/07 05:53 linux-next 6cd6c1203113 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in cfg80211_scan_done
2025/12/14 17:26 linux-next d9771d0dbe18 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in cfg80211_scan_done
2025/06/13 03:55 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19272b37aa4f 98683f8f .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in cfg80211_scan_done
2026/01/05 12:02 upstream 3609fa95fb0f d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in cfg80211_scan_done
2025/12/31 15:22 upstream c8ebd433459b d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in cfg80211_scan_done
2025/10/31 03:07 upstream e53642b87a4f 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in cfg80211_scan_done
2025/10/31 00:39 upstream e53642b87a4f 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in cfg80211_scan_done
2025/10/31 00:35 upstream e53642b87a4f 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in cfg80211_scan_done
2025/10/29 17:56 upstream e53642b87a4f fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in cfg80211_scan_done
2025/01/24 08:11 upstream d0d106a2bd21 521b0ce3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in cfg80211_scan_done
2024/12/25 08:10 upstream 9b2ffa6148b1 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in cfg80211_scan_done
2024/12/25 08:10 upstream 9b2ffa6148b1 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in cfg80211_scan_done
2025/12/28 22:43 upstream c875a6c32467 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in cfg80211_scan_done
2025/12/18 05:02 upstream ea1013c15392 d1b870e1 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in cfg80211_scan_done
2025/09/03 18:33 upstream e6b9dce0aeeb 19216959 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in cfg80211_scan_done
2025/07/07 12:09 upstream d7b8f8e20813 4f67c4ae .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in cfg80211_scan_done
2025/10/16 01:32 net bfdd74166a63 19568248 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg80211_scan_done
2025/07/15 09:39 net e18f348632ec 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg80211_scan_done
2025/06/18 04:03 net 0aff00432cc7 417d98fa .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg80211_scan_done
2025/05/11 01:45 net 4d64321c4f6f 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg80211_scan_done
2025/04/26 15:51 net f73f05c6f711 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg80211_scan_done
2025/01/23 03:14 net 0ad9617c78ac 9d4f14f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg80211_scan_done
2025/01/23 02:26 net 0ad9617c78ac 25e17fd3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg80211_scan_done
2025/01/22 19:43 net d640627663bf 25e17fd3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg80211_scan_done
2024/10/22 01:50 net 374d4106cb75 a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg80211_scan_done
2024/10/15 07:03 net 0b84db5d8f25 b01b6661 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg80211_scan_done
2024/10/13 11:44 net 174714f0e505 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in cfg80211_scan_done
2025/07/28 12:58 net-next fa582ca7e187 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in cfg80211_scan_done
2024/11/08 02:35 net-next 2a6f99ee1a80 c069283c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in cfg80211_scan_done
2024/11/04 04:53 bpf-next f2daa5a577e9 f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in cfg80211_scan_done
2024/11/04 04:49 bpf-next f2daa5a577e9 f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in cfg80211_scan_done
2024/10/20 03:26 net-next 6d858708d465 cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in cfg80211_scan_done
2024/10/11 02:23 net-next 09cf85ef183a 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in cfg80211_scan_done
2024/08/15 01:01 net-next 2984e69a24af e4bacdaf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in cfg80211_scan_done
2025/08/28 23:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 443c11c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in cfg80211_scan_done
2025/06/13 02:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19272b37aa4f 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in cfg80211_scan_done
2025/01/29 23:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1950a0af2d55 afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in cfg80211_scan_done
2025/01/29 23:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1950a0af2d55 afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in cfg80211_scan_done
2025/01/16 18:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6251d1776bc5 968edaf4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in cfg80211_scan_done
2024/10/24 19:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ce8e69898653 9fc8fe02 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in cfg80211_scan_done
2024/08/09 14:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c912bf709078 61405512 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in cfg80211_scan_done
* Struck through repros no longer work on HEAD.