From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f205.google.com (mail-il1-f205.google.com [209.85.166.205]) (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 94FD82264B7 for ; Mon, 1 Sep 2025 07:39:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.205 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756712372; cv=none; b=HhP9ACT2TWvGUI4kJiktnUSt/D7pheGejEgTLPiLMfx8Tzfe75/ueNNyIMWsi//gLvoT8ajMZlp1QRCdfX1QcYHvMNJ6bQ6OfIUqd25M1ats9effH5M88dA6lLzEBipBnwhdSFopBsNStp8mmWpUfF0RR50di/LN6/XHolHXacI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756712372; c=relaxed/simple; bh=XBu790sK0ilYfkotHaZg1XvwC5A/vm71bvwcLgHFIHA=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=F3+ph/7aw7Gs/29GFJAKloUeupIOl3ApPslxvudmitOUSFt0PxGoS6vAWF6jzwJRbpaBkZjB37aEKUAfqtfeHVMaxIBIWLL6SfFHJeJIi5t/TSG3+kYNFT0bc7vCmXiVP4OG8yFHUFdqgL8tO50PVxA0MzDg+PRTfUsGxQ8fUZA= 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=209.85.166.205 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-il1-f205.google.com with SMTP id e9e14a558f8ab-3f340e9b5c5so58143295ab.1 for ; Mon, 01 Sep 2025 00:39:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756712370; x=1757317170; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=NI5apfQwrzCscOrcLCa/He6Zn91QYVdhk52tpoNraHQ=; b=qDLS36zRaOUARZk8d2Tm8B0hmwIJ8Az68Us3NeBEIMUYLop9uakN1ehBY4OcadA3bs XiJcP/K84NMX9z1W7WNriN4lzH8KQocpgje/SNU3ECTwpj2yceDvPA8rg9HGTNj3EgP1 Br2yduX30sJAtcOy6mXgbieRztQWhf0Jdg7hjoiw9k8P0S0gHRy61XmxCFO24QD0r7Jj OoTlytbTx08j34bRD3mUlmarU6BSMi/Jd3jwYIPR6fztFaHSVqTw5aKavTiVn98gvYLh D/I+b5VMQZ+XBG7rly0dqimr1U766O+AMxs0y4cGz8QDmsBXgvJxInAF6fNVGQNd7t+C vJPw== X-Forwarded-Encrypted: i=1; AJvYcCVNYERH2i0i4Y6OEaqYty690C4xbEIVSvf9T2dzDNIKm9k6pqtKNpNrr5BXz4n5VrjavtVVTOuQ/3EFDcU=@vger.kernel.org X-Gm-Message-State: AOJu0YzYD7HO54hWkJA2t8UvYS90Lh3gLE1aGY8IUeyfVoWLDO85LRTX 3Z8oyfFF9eHItgM3gc09vo5CO3d0WHt4MAoAx2AyNbhgM9UaeD0GmRh8n8XaP6oK6SO45A7n//c Z2/MwAryfIK6GXMM56NZbnZ/sCL+ydFByLOT5E8nrnmvlcaQyuzASR9zaQao= X-Google-Smtp-Source: AGHT+IGRvXq0UDliP80MzxsO0UoEe7QkLZQOZyBgwKooCR6/E8CMv9UbP+ueafzb9rnLpkceneAtmbk2FbdTwKLuti3RWMW6pPi/ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1747:b0:3ec:2c8a:f35 with SMTP id e9e14a558f8ab-3f4019f6ae7mr135053725ab.18.1756712369760; Mon, 01 Sep 2025 00:39:29 -0700 (PDT) Date: Mon, 01 Sep 2025 00:39:29 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68b54db1.a70a0220.1c57d1.0544.GAE@google.com> Subject: [syzbot] [wireless?] WARNING: ODEBUG bug in cfg80211_update_known_bss 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: fab1beda7597 Merge tag 'devicetree-fixes-for-6.17-1' of gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16c65ef0580000 kernel config: https://syzkaller.appspot.com/x/.config?x=a7016efe6aaa498c dashboard link: https://syzkaller.appspot.com/bug?extid=df9509569a0752b1e83e compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-fab1beda.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/07d60c58352f/vmlinux-fab1beda.xz kernel image: https://storage.googleapis.com/syzbot-assets/b6d2b98f110e/bzImage-fab1beda.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+df9509569a0752b1e83e@syzkaller.appspotmail.com ------------[ cut here ]------------ ODEBUG: activate active (active state 1) object: ffff888052041c80 object type: rcu_head hint: 0x0 WARNING: CPU: 0 PID: 15 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0 lib/debugobjects.c:612 Modules linked in: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:debug_print_object+0x16b/0x1e0 lib/debugobjects.c:612 Code: 4c 89 ff e8 07 d8 52 fd 4d 8b 0f 48 c7 c7 a0 51 e3 8b 48 8b 34 24 4c 89 ea 89 e9 4d 89 f0 41 54 e8 2a 7a b1 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 57 0c d2 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 RSP: 0018:ffffc9000041ec50 EFLAGS: 00010296 RAX: f40f5c254b562400 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc90001021000 RSI: 00000000000009b7 RDI: 00000000000009b8 RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: 0000000000000000 R13: ffffffff8be35320 R14: ffff888052041c80 R15: ffffffff8b8bd3a0 FS: 0000000000000000(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0097729f70 CR3: 0000000043d02000 CR4: 0000000000352ef0 Call Trace: debug_object_activate+0x26a/0x420 lib/debugobjects.c:842 debug_rcu_head_queue kernel/rcu/rcu.h:236 [inline] kvfree_call_rcu+0x4f/0x410 mm/slab_common.c:1953 cfg80211_update_known_bss+0x634/0x1330 net/wireless/scan.c:1936 __cfg80211_bss_update+0x147/0x2120 net/wireless/scan.c:1983 cfg80211_inform_single_bss_data+0xba9/0x1ac0 net/wireless/scan.c:2375 cfg80211_inform_bss_data+0x1fb/0x3b30 net/wireless/scan.c:3234 cfg80211_inform_bss_frame_data+0x3d7/0x730 net/wireless/scan.c:3325 ieee80211_bss_info_update+0x746/0x9e0 net/mac80211/scan.c:226 ieee80211_scan_rx+0x593/0xa20 net/mac80211/scan.c:355 __ieee80211_rx_handle_packet net/mac80211/rx.c:5186 [inline] ieee80211_rx_list+0x201c/0x2a90 net/mac80211/rx.c:5423 ieee80211_rx_napi+0x1a8/0x3d0 net/mac80211/rx.c:5446 ieee80211_rx include/net/mac80211.h:5210 [inline] ieee80211_handle_queued_frames+0xe8/0x1f0 net/mac80211/main.c:453 tasklet_action_common+0x369/0x580 kernel/softirq.c:829 handle_softirqs+0x283/0x870 kernel/softirq.c:579 run_ksoftirqd+0x9b/0x100 kernel/softirq.c:968 smpboot_thread_fn+0x53f/0xa60 kernel/smpboot.c:160 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 --- 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