From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f80.google.com (mail-io1-f80.google.com [209.85.166.80]) (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 23F90227EB9 for ; Sat, 16 Aug 2025 07:28:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.80 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755329315; cv=none; b=tPfo9VC2XXkNXEmGAHtr1Bn4PR0RUe6/jbL9g52nbkn8gXHtqfPycafQVAmvCxIMQeQAiSdb2MCSyKDXTe6ZmEKp2bhMb1/q2nejDwLMWfXyYeJuNJRvwKKZ3wFnTwJkezR5qlYPGPOqxmypO7n7Rqc5nurZTuHY1g2Oxmg0QT4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755329315; c=relaxed/simple; bh=JrB5cSg+IpZYdHhFkUFjjmDDAEPGVnUgwy59mGK2wy0=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=KIaR3byRddb0giPbrxcn8rkG+J9gQL04Rus0DM3gpgsbZ7RRUhIPdEisWDhBjvDJKCumjqxKttK07IjnbI/8Pnl/SnDxKzaa62rmrh7twWoxIvcvDy0mn2tixTeqWJDvz+/RDxHLLdgbqWb42IjsjRIHCAelpWJo6zXNnCJWG40= 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=209.85.166.80 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-io1-f80.google.com with SMTP id ca18e2360f4ac-88432e33c84so634595539f.2 for ; Sat, 16 Aug 2025 00:28:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1755329313; x=1755934113; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=9h/w0PHHXlYPVWDRA7UJ7b2X9Ic0+ZisyHghCWLnk+U=; b=D8BnFDW5ty7l2eGsCFwrZF7t3coRfsUk1sBQ32WCeP6mPWIOVcblY7ceft1iZV6lmu 0Dhcw7A+TgqcUW5yfETjoFpw/iZpOfCIwyr2Fq8ak1Nz/EyyMr1PudmIRuhQYTLKZ4qO T8eKNj8ryVnqTQ3spRihMuTdLCG5C+wLeNYAw1mkwT7V10JvSL6upMcajdUff307FgIX hb4SsDzAu076bPn3ixTzwVpjTO68Wbi5j+Dsx9hmp7yLKGXajTZ1BtkoTaO34SCH6DS9 UyBH3pWPVFJOs2Uw0G28S3zGXQnfO2QezTmt5xXMiFy4xVWPySxbKiCQYrme32ek/wsC T0wQ== X-Forwarded-Encrypted: i=1; AJvYcCXDSwM81Y6nTqTrYwc/zeGQFds4Mkl6rJMOV0k1FeJtM6bOG/q/hRzvlMjqjIca/5Yev5ljaNgWPV8xNWV/nA==@vger.kernel.org X-Gm-Message-State: AOJu0Yz88ilmHjeYxuCCfqwpX0GJ3pIq8RcojGwkzZGLZmAKtiWlX/PT ALu8BAjdhSOsOaT2cVg0HCgAjLf2/tcdx1q9hILAsAykoHoeYcJD6nG8PE+zmyh/t5lLa/Wa0I3 pDpXzryzrk5pWrX+xHEtIyH2O3vhlk9NLKuiy+msW6BO4G10YL2UXA3mtbwk= X-Google-Smtp-Source: AGHT+IGGVfZ/cSBX7xevD4EgqL66lj5U0cKpIgKn0q98EKvNleK+tpRh4KatIlNYl/ohq+ZWEzOAbW1baqpHZgQKNE51iQy+TW/Q Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1889:b0:3e5:6313:4562 with SMTP id e9e14a558f8ab-3e57e8a7d35mr83025195ab.14.1755329313307; Sat, 16 Aug 2025 00:28:33 -0700 (PDT) Date: Sat, 16 Aug 2025 00:28:33 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68a03321.050a0220.e29e5.0040.GAE@google.com> Subject: [syzbot] [wireless?] WARNING: ODEBUG bug in bss_free 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: 8f5ae30d69d7 Linux 6.17-rc1 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12be85a2580000 kernel config: https://syzkaller.appspot.com/x/.config?x=412ee2f8b704a5e6 dashboard link: https://syzkaller.appspot.com/bug?extid=266cecacfaabc2ca17d0 compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/005a27f2fde5/disk-8f5ae30d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/eedc3e5b0288/vmlinux-8f5ae30d.xz kernel image: https://storage.googleapis.com/syzbot-assets/400079450339/bzImage-8f5ae30d.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+266cecacfaabc2ca17d0@syzkaller.appspotmail.com ------------[ cut here ]------------ ODEBUG: activate active (active state 1) object: ffff888057456e00 object type: rcu_head hint: 0x0 WARNING: CPU: 0 PID: 11283 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0 lib/debugobjects.c:612 Modules linked in: CPU: 0 UID: 0 PID: 11283 Comm: kworker/u8:13 Not tainted 6.17.0-rc1-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: netns cleanup_net RIP: 0010:debug_print_object+0x16b/0x1e0 lib/debugobjects.c:612 Code: 4c 89 ff e8 57 19 53 fd 4d 8b 0f 48 c7 c7 a0 3c e3 8b 48 8b 34 24 4c 89 ea 89 e9 4d 89 f0 41 54 e8 8a 4a b3 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 c7 af d3 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 RSP: 0018:ffffc9000b7674f8 EFLAGS: 00010282 RAX: 109ab45e96de0500 RBX: dffffc0000000000 RCX: ffff88806a35bc00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: 0000000000000000 R13: ffffffff8be33e20 R14: ffff888057456e00 R15: ffffffff8b8bd3c0 FS: 0000000000000000(0000) GS:ffff888125c1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000080186000 CR3: 0000000078eae000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 00000000e08e800c DR6: 00000000ffff0ff0 DR7: 0000000000000400 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 bss_free+0xb9/0x250 net/wireless/scan.c:89 bss_ref_put net/wireless/scan.c:143 [inline] cfg80211_put_bss+0x1e2/0x230 net/wireless/scan.c:3353 cfg80211_dev_free+0x257/0x2d0 net/wireless/core.c:1226 device_release+0x99/0x1c0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x22b/0x480 lib/kobject.c:737 mac80211_hwsim_del_radio+0x2de/0x460 drivers/net/wireless/virtual/mac80211_hwsim.c:5677 hwsim_exit_net+0x584/0x640 drivers/net/wireless/virtual/mac80211_hwsim.c:6554 ops_exit_list net/core/net_namespace.c:198 [inline] ops_undo_list+0x497/0x990 net/core/net_namespace.c:251 cleanup_net+0x4c5/0x800 net/core/net_namespace.c:682 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 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