From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f205.google.com (mail-oi1-f205.google.com [209.85.167.205]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A37BC28C869 for ; Sun, 14 Jun 2026 16:49:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.205 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781455777; cv=none; b=Do99xFQTfHNMclldd/vxLDl3nQjKECFvwv2rFZq0qSAmpOvRaIBJ3UK+7RttP89ia6G/OB1J3HppeoD4PLMn/+5XJMRfrLPxi/VilIyEUlJRyV0tCPA5uxXbEIjPIlEncJTWsVZvqf+btw01wYiRFyp7RpSpDHEr+hY9nxSN64M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781455777; c=relaxed/simple; bh=Rbmqlh5X77XiKIehBbP7xpfKX9im+AeF0mpBH1PsugI=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=rnVot8Ro/vGmGudiZTTvry0aLPwCnfIy9NNYbTiIzVfegqc9JX8uQvvZKXiRKku09OTBZFpgpgCUv2XFD2KjrVOWEc581IY4vSwPF2N0hvYWukT3mwYTbiToRWE1e2x5qHb++pN/POsVN16rOifE56bqLe9T8do9hRF7Tl+B+PY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.167.205 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oi1-f205.google.com with SMTP id 5614622812f47-48576b535b6so2652744b6e.2 for ; Sun, 14 Jun 2026 09:49:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781455774; x=1782060574; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=zKQe3tHQuohfTiUdhggcYhl3bqm+NLkjvqbPDTnfoNI=; b=hCV0wRYrKh0NzXLOhyHreytCpwIe1zrFBWlt3uZzkYYus++UHzKwn0TzorQOUDlLC8 A9b73bVq+K9jE5nvW7rIRCkLfU0OhBdLHghJdQDQyQhhXGdgg7yJP04qSQYw8guSTqOl O9avOsHxVaqucvwMW9eTnoa4ysgiPZ6ilfSU0YexR4gCFPkaJWRPtJe7n9bJ294QXod5 hGyxHgzm/ylCbx5O9adaJGUK0G4KwKlMgV6zY2b65D+eiL/2DP1mE3dJttJWfTLGo3SJ ChuKAZVgYCCFbTm86crLTFQ2ediAEsAZXX63Ngor+nLnbDvVvgtPvVdVEUhZnrXgTpLe ut2A== X-Forwarded-Encrypted: i=1; AFNElJ8d0QmgJtwwJ5oJGYSec+Er+Nmf+aKhkpoEXbZaFMY3J/euScANiTFbhry6vq7YcVk8xvoCUSM=@vger.kernel.org X-Gm-Message-State: AOJu0YwXhN0/kiblysqAGf8HKBhJ0nDGdeTwXvhvm6t/B5fXTr/3DEDB JLYWBoTJfjdfEJHAX4HDhgWkfH3LSFLj+4BjsleCVEfoIjiG4gCEWijgUr5cUuY8F7kRc/hdW6Y D5QrX0n2dAsAtMs/kpjWeY7k7rIBEzz4j0PukPOYyPa9rQLo3vIuprE8lYGY= Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:16a7:b0:467:819:dc61 with SMTP id 5614622812f47-48741ab5ca9mr4772348b6e.23.1781455774706; Sun, 14 Jun 2026 09:49:34 -0700 (PDT) Date: Sun, 14 Jun 2026 09:49:34 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a2edb9e.8812e0fc.3c3fa4.0014.GAE@google.com> Subject: [syzbot] [wireless?] WARNING in __ieee80211_start_scan (2) From: syzbot To: johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 627366c51145 ptp: ocp: fix resource freeing order git tree: net console output: https://syzkaller.appspot.com/x/log.txt?x=1114f186580000 kernel config: https://syzkaller.appspot.com/x/.config?x=65472e27d1590a04 dashboard link: https://syzkaller.appspot.com/bug?extid=f961b9f94edbc266f1f8 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/fdf7eb944feb/disk-627366c5.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/ab07a79e10f6/vmlinux-627366c5.xz kernel image: https://storage.googleapis.com/syzbot-assets/270e46d829a1/bzImage-627366c5.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+f961b9f94edbc266f1f8@syzkaller.appspotmail.com ------------[ cut here ]------------ !ieee80211_prep_hw_scan(sdata) WARNING: net/mac80211/scan.c:879 at __ieee80211_start_scan+0x1336/0x1d40 net/mac80211/scan.c:879, CPU#0: syz.0.5003/24116 Modules linked in: CPU: 0 UID: 0 PID: 24116 Comm: syz.0.5003 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:__ieee80211_start_scan+0x1336/0x1d40 net/mac80211/scan.c:879 Code: 06 90 e8 bd 74 b0 f6 48 83 fd 09 0f 84 41 07 00 00 83 fd 03 0f 84 3f 07 00 00 e8 25 6f b0 f6 e9 d5 f2 ff ff e8 1b 6f b0 f6 90 <0f> 0b 90 e9 0d fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 53 fa RSP: 0018:ffffc9000674f170 EFLAGS: 00010293 RAX: ffffffff8b154795 RBX: ffff888053bf8e40 RCX: ffff888079661f00 RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000 RBP: ffff88804acc3024 R08: ffffffff903034f7 R09: 1ffffffff206069e R10: dffffc0000000000 R11: fffffbfff206069f R12: ffff88804acc3060 R13: dffffc0000000000 R14: ffff88805c5a0f20 R15: ffff88805c5a2a88 FS: 00007fe61492d6c0(0000) GS:ffff8881252a0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe613987cc0 CR3: 0000000075924000 CR4: 00000000003526f0 Call Trace: rdev_scan+0x147/0x300 net/wireless/rdev-ops.h:467 nl80211_trigger_scan+0x1aa1/0x1f50 net/wireless/nl80211.c:11046 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2555 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1899 sock_sendmsg_nosec net/socket.c:787 [inline] __sock_sendmsg net/socket.c:802 [inline] ____sys_sendmsg+0x972/0x9f0 net/socket.c:2699 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2753 __sys_sendmsg net/socket.c:2785 [inline] __do_sys_sendmsg net/socket.c:2790 [inline] __se_sys_sendmsg net/socket.c:2788 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2788 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe61399ce59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe61492d028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe613c15fa0 RCX: 00007fe61399ce59 RDX: 0000000004000000 RSI: 0000200000000900 RDI: 0000000000000003 RBP: 00007fe61492d090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fe613c16038 R14: 00007fe613c15fa0 R15: 00007fff3acb29d8 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup