Received: by 2002:ab2:b82:0:b0:1f3:401:3cfb with SMTP id 2csp658694lqh; Thu, 28 Mar 2024 12:12:13 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCXEJxQ9m9+BD7oWPFR5C5jS7xEHH2t45sFZ+0zqlSnM0WgpX/eOnWRxgOMBfAnYe0ZD29Z6VKg0g9Z+0VpLSjB+mjGupnbTHsOJfRuu7A== X-Google-Smtp-Source: AGHT+IFD6+0Lycbi8QcxGuJIIo9sxqLNQ4cFPqBS8+t84qPowE35mUwhwR2pgFT7TKlf61mLjhFL X-Received: by 2002:ac8:5f54:0:b0:431:4eb6:32fa with SMTP id y20-20020ac85f54000000b004314eb632famr299518qta.46.1711653133462; Thu, 28 Mar 2024 12:12:13 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1711653133; cv=pass; d=google.com; s=arc-20160816; b=KV+ycjHg4tNdiG0HyRsKLeghgSb24ElqwcPl8hF3KpTrvGUme53g9m8ICcrohAO8SH xuF1qagvUwUDrBgdmn1tVz9xEc0fMu26yAKT3lwUWgAniDUfBX3UYUJGb6cSFNqqQwnz 0h73L4wkbpA5mQzcQEswPSTGXqNE/mADR+xvGpQOAH7crVMp/U8Sg7zZqLTd3+ZH7k28 aZn0ZqtGWLjEBBCNo8AKcof+o3zTIGbGNx1RWKdeIWSmgMSxClTZC0bBWVhEMRqun1Tx r3nAosQrxec5NdNQe3NYzN6Zb4QwRlOcQGYEJD0UwS1MNVijWnLPH385/rAGCa193d/H qcSw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=to:from:subject:message-id:in-reply-to:date:mime-version :list-unsubscribe:list-subscribe:list-id:precedence; bh=rWT9KuAegNLVfJjqAlaRw3hu6Cgsmv1M1mWe3K5+52s=; fh=wRSMtsFswlnLVYElab2o04/BElRotthKSwTcygs93ME=; b=zrFlYV9ql5oUbG01D0V/2CjENe2TnGhu/twA7Lh4VepUUmZfxZn4seBmDtK6EufTSg on+d4c2CzRmqixxLZa1XGG1z8ofkZGVGf37kEICVdBPYcVt3GXvBtLP9kOKa0hphX9kt C6AzVIEJqjfY07m5S5BQQQZs+Pjndf+0lCZVlz2NRn2ybkt9pI39wXSswkY/9sbXSgug lT0FgPf4cLi1r5Eps2FfhJOU+d+oj5LMlJoxg+vOFaKBnZXDf6wBHv2JV4rr33r1bPsm F/7oElTIbBUQtyjCam36+i2k7p9c9I+2CEtkjuhnXRp2EBWAU69Liekzrj+0mQEg3w8+ cDyA==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; arc=pass (i=1 spf=pass spfdomain=m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com); spf=pass (google.com: domain of linux-kernel+bounces-123453-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-123453-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id m6-20020a05622a118600b00432b5834ea8si1731190qtk.705.2024.03.28.12.12.13 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Mar 2024 12:12:13 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-123453-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; arc=pass (i=1 spf=pass spfdomain=m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com); spf=pass (google.com: domain of linux-kernel+bounces-123453-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-123453-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 16ED81C26799 for ; Thu, 28 Mar 2024 19:12:13 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id F1FE5137935; Thu, 28 Mar 2024 19:12:05 +0000 (UTC) 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== 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.