From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (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 17FFB2B9A7 for ; Thu, 28 Mar 2024 19:12:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711653125; cv=none; b=fKv7l91FnuofcgtYozbjajkbD9RftJHal9XlItdUrC6hIdoDfp8TSJN682p1QxzMYMJjXE5JXut2c5dzFZSrnUael5ShTsmhaX+/5N7WqDdRp6Wl4/kO92tQYQZZozDd2kPVhObR5qS9JoNCyZO2tl5f/z6xEnGuYflv7N9qUQ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711653125; c=relaxed/simple; bh=isKCXuY72yWQzJLXP0Js+yDQWJTwX5/faWnfRDvfWFQ=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=f9hOxn6C7UFndTRY0FaLOpBBTfdBFO8Y9GSqTTLRpgBIG5rVhbWzOlrs5m+ze1PuTtUXfJqL+JGzTMYzKWp4r6xe8rqT3iVlLze+8cy1tirun1W7zwHkTWdT9Al3zCr+tbYpPzZLrnagVL06dGkr9GYbRVoSrZJbUEi5MH1uFa0= 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=209.85.166.199 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-f199.google.com with SMTP id e9e14a558f8ab-36696c9cb23so9596535ab.2 for ; Thu, 28 Mar 2024 12:12:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711653123; x=1712257923; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=rWT9KuAegNLVfJjqAlaRw3hu6Cgsmv1M1mWe3K5+52s=; b=ZWCxBpDmlnrQGR1iDz9We8xouRxRETxlHAK0MpPNKiP8nYxMPO+KgySKomp9rYpwYt HasYPDYh1SbQT67LtaVLBbsfxcP0+HkL9ZOPLw7n45DAAYqeWb77DAHcl5U4ZRX3+7kJ 7+yRdYF6qGVw+9ogz+RmgZd0o+qnrCoJYwsidPU0vedkh6+PfG7LZW7lkNQ7JX9dttNm cL/aBgcTGk4u9PQ6cvMdulRGrvmg6Zu7d1cMrewZQrq4OAE63/dPxAgs9hPNJTV2q9dL Yu3hj1OECvmSdruII5TA70q3X1dHwCUg9psSDenxC2WGrd5r+KsULS8+X/sSv9nFVtdM 2rdw== X-Gm-Message-State: AOJu0YxolSEaA4+yDpLKbcTxfOgnLFBVMaSpsvAg6eHyzQd//xhxWFa4 n/Jjvt1Qo1Cjho9IfapU77fCaua6MivG54qLq2pzhB5fNrACq7hOxeYsyunCef7aMXg1nr8Oscc y8idAt6OMBTnC7+XLkYNLZTs15y+U2GoJOfzpb3of216C+HeuWPpm2LrVQA== X-Google-Smtp-Source: AGHT+IHC4PQs5jKRrWRDhfF+kJvbGO1BPSa4ramkNeg2o8qgp/z9rPY2OXhbnLw8P27qiIRrBTGam9W2EUyZ9SCFksUACxhoUAju Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:12ca:b0:366:94e2:f17b with SMTP id i10-20020a056e0212ca00b0036694e2f17bmr1992ilm.0.1711653123350; Thu, 28 Mar 2024 12:12:03 -0700 (PDT) Date: Thu, 28 Mar 2024 12:12:03 -0700 In-Reply-To: <1921e7e8-3c43-4f3c-9709-874b37ea9c81@linux.dev> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006576fd0614bd4cb6@google.com> Subject: Re: [syzbot] [bpf?] [net?] KMSAN: uninit-value in dev_map_lookup_elem From: syzbot To: linux-kernel@vger.kernel.org, martin.lau@linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+1a3cf6f08d68868f9db3@syzkaller.appspotmail.com Tested on: commit: d8889e86 bpf: Mark bpf prog stack with kmsan_unposion_.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/martin.lau/bpf-next.git console output: https://syzkaller.appspot.com/x/log.txt?x=155ac345180000 kernel config: https://syzkaller.appspot.com/x/.config?x=e6bd769cb793b98a dashboard link: https://syzkaller.appspot.com/bug?extid=1a3cf6f08d68868f9db3 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.