From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f206.google.com (mail-il1-f206.google.com [209.85.166.206]) (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 2F7F219ABC3 for ; Wed, 26 Feb 2025 15:44:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740584661; cv=none; b=nG+RN9fKalz1jDDPsxnBzzDXaWzHRaW1NuqaAPZU8RA4rIPA1TEWIHRkvW/7uIFtNjBr+uKNxHpDLdUigJba9PCHuD4Tzo9aUDt+FLDVVFKsBZ4QXy//8chWE5IaKhKLaiqgW3HvGefWK3Yi0X/DKgMIREacRh+s7l7K9+o6c/w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740584661; c=relaxed/simple; bh=jQWGtiwUMbK9EpvVC6A07sD50bV3LE9jiqhidCemgEM=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=pqCTyFCtNNzpVyvtYZU9ifC5SE6UmcKfOZnoGgq0Es+Ld7UBWizTwlGpRvgJ77Cp94UHjbW+H/m1+d868lE2cjSYwAQkrGVH/leTH+sCcz/FZiORWiNzUpBzf9Q4zoj5QpwqGv6ejZUMweO/5mXQMPHbGackVod6Zw0ikXBwDRE= 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=209.85.166.206 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-f206.google.com with SMTP id e9e14a558f8ab-3ce3bbb2b9dso57832525ab.3 for ; Wed, 26 Feb 2025 07:44:19 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740584659; x=1741189459; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=gW3c0T4SQd+xntB/X6MFD4fJslBbj6oN4QbWpGD4aAk=; b=XWzaa2elAgrFyaL3UkfJD/HKnntlTfNo/KGxIS9B9AVcHTNhB11gegIUkdowqDeVqm vdpjKM/Tw+PPzM1jHocwCJFNS92hJcQiXb8AZW0Irry5poIAKL0YDtaJHGg3cLxhE4Km kxknF4UWt5/XYKkEyuex1iE+1Eb/k4GH2G2mopN0Mpmknq1fiZiBqYJEgqky62RvkPEQ DdSIT9fAaoB7XRckkTB65CWT+G2YINA5b1+JPMRANBWJ7VqqvsFTBykmdtuR0snklHhQ c/yHGPDm3AGioqKuYbMW/P1in9OgphZ59pqj7sIXh8uh4jU6YVq7EFpgnaDjVO2yVxK1 00Ng== X-Forwarded-Encrypted: i=1; AJvYcCXKfo+hAXcUjDVaX+3NqsqiqpO8yRZflTxSSRr/OtI60zpW+mixTuoVB/4oNaWg6t6s4cvLsaqCyJXKHg5udQ==@vger.kernel.org X-Gm-Message-State: AOJu0Yw+gY4++QJO1OpQDum729yAYreCZIMILePGXvZhW5F21rMlg/QD fi//V3sZUPsXOvUoW28tWZoCamNCSzc4m7K4PucjUZBUs9rRRAqvJWHY+rZAdPIDnjdUOMaFB0j K254CeB/MkQRHovvJ7ah1B1zdy64TX4SEwCUdHADuLLW1W+OWOjsDmbk= X-Google-Smtp-Source: AGHT+IFHAPreiTBW/x4aw1EHkJ+xwFEwTp7VKuG/mVJow7Yr8RLePATwqXZ4fsrz1nfOajC8ztz3lRiQ+gIc4ySw3aLXDkSDqeA7 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c545:0:b0:3d1:78f8:7490 with SMTP id e9e14a558f8ab-3d30487a027mr64643795ab.14.1740584659314; Wed, 26 Feb 2025 07:44:19 -0800 (PST) Date: Wed, 26 Feb 2025 07:44:19 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67bf36d3.050a0220.38b081.01ff.GAE@google.com> Subject: [syzbot] [wireless?] KMSAN: uninit-value in cfg80211_tx_mlme_mgmt 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: ff202c5028a1 Merge tag 'soc-fixes-6.14' of git://git.kerne.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12d447a4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=aca5947365998f67 dashboard link: https://syzkaller.appspot.com/bug?extid=5a7b40bcb34dea5ca959 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/788b15dfbf95/disk-ff202c50.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/48f236cd3e71/vmlinux-ff202c50.xz kernel image: https://storage.googleapis.com/syzbot-assets/b92116dbc946/bzImage-ff202c50.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5a7b40bcb34dea5ca959@syzkaller.appspotmail.com cfg80211_wiphy_work+0x396/0x860 net/wireless/core.c:435 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xc1a/0x1e80 kernel/workqueue.c:3317 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3398 kthread+0x6b9/0xef0 kernel/kthread.c:464 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 ---[ end trace 0000000000000000 ]--- ===================================================== BUG: KMSAN: uninit-value in cfg80211_tx_mlme_mgmt+0x155/0x300 net/wireless/mlme.c:226 cfg80211_tx_mlme_mgmt+0x155/0x300 net/wireless/mlme.c:226 ieee80211_report_disconnect net/mac80211/mlme.c:4238 [inline] ieee80211_sta_connection_lost+0xfa/0x150 net/mac80211/mlme.c:7811 ieee80211_sta_work+0x1dea/0x4ef0 ieee80211_iface_work+0x1900/0x1970 net/mac80211/iface.c:1684 cfg80211_wiphy_work+0x396/0x860 net/wireless/core.c:435 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xc1a/0x1e80 kernel/workqueue.c:3317 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3398 kthread+0x6b9/0xef0 kernel/kthread.c:464 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Local variable frame_buf created at: ieee80211_sta_connection_lost+0x43/0x150 net/mac80211/mlme.c:7806 ieee80211_sta_work+0x1dea/0x4ef0 CPU: 1 UID: 0 PID: 4086 Comm: kworker/u8:16 Tainted: G W 6.14.0-rc3-syzkaller-00267-gff202c5028a1 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: events_unbound cfg80211_wiphy_work ===================================================== --- 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