From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 A01B7207A18 for ; Sat, 11 Oct 2025 09:20:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760174408; cv=none; b=kyq4y/+lRXMhP5AjC59Ykqg3wVd4aVMLRwMmQ3g6phq36UpcU7CextrPC6O9bMQ7rQYZSKEcYxivdUP25Fn/4xR2ekmw+TbAcs3iUJw0qmz2An1antKaHTdhCRc4PPUeNtJucyEDmj6e2haLx5Rf3IFNO4J0iIne2V3tDaMGzc0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760174408; c=relaxed/simple; bh=uoR5iCl06TSuJEKybwo9hzsSRh9KKwCS+jO3rdPrtgQ=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=TDjNHI6I4P0uQWlKzuwfzZK2s1OFI1/ZIY4ju6YZK1huGVYsOj9dBkntfkdFnpe1nAL+7hD33uQnJtuNKcKwyBl5bB0dgLztnHsAYZJFJ6w3HFQC3RH5sSr4KWIGualtLIGoGyW6HMIpgtVmBR9WuBo2kzkooo8gTpHta78hVyY= 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=209.85.166.69 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-f69.google.com with SMTP id ca18e2360f4ac-919d48f1869so2092299739f.0 for ; Sat, 11 Oct 2025 02:20:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1760174403; x=1760779203; 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=xjiTOOXYfrDkGuy+IGNqV7zuRFDvWxSpBbVz/rW3gRE=; b=Rsf31WAdBm/mQPOtm/wwLIZNK0bsa93tGDLizr5On7OnvPWu9ooVqH3YhlnKWznIbN fEnrom48gM0RCZtshHb+9TLr3Mzrhvh40MJKiGKo95l7JDpgSyQ6pCe6rTtmd4I3mV0h 0wkyxlC3ZBimiP6JJ6I2Qq5DPyX7l5jvVYIzFn9bOWixhSmcr1bOTlTWQGkFvn+FBrau t8FxkvQTtO+VfpOXiUSNyputkBSYbL0litzLWlyFk9JduT1xV9X568yW0ypVR10pCgKM LPm/vK9Vu4bU3MBu7x/sfUZ+OkfW58GRGqtjmthFbZnTmr5T3Dj7nqSYqYYPYhAane2e JA/w== X-Forwarded-Encrypted: i=1; AJvYcCXqYje8iWF/6ylh0sUgdC39DW4+qCt3rFTxk5OlOO5+okoZgmcQOs1/oFrUTpV+mguYCrXWkM04F3d+YRI=@vger.kernel.org X-Gm-Message-State: AOJu0YxK0611kSST0UhysbaJ0XtdmTTsPeiBb6bREf/K48c9ke5QXFUs FqSKqUMxPZY1b+tnJkfU/7uMnelqcGkRFuLcxjH9TLNh3ncWxzlRsVg9GwQunWhYRIprNstXbFS njrZaPsGpodPxL/mY5ruTYALKQxdt5Zq6rNiysz26hFMEra65aPDiHcSb+KU= X-Google-Smtp-Source: AGHT+IHIx/fEEScZKonYGrmBu/nBVlA8h1a9UNlBcPcUL2wzdKBhGjEU7W4CUUX1nYdvLnQP9G5mPRbKDsvNi+mV4kFtaIQ4J7LF Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:6d04:b0:93e:2f4c:97be with SMTP id ca18e2360f4ac-93e2f4c97d9mr644131839f.15.1760174402904; Sat, 11 Oct 2025 02:20:02 -0700 (PDT) Date: Sat, 11 Oct 2025 02:20:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68ea2142.050a0220.91a22.01cb.GAE@google.com> Subject: Re: [syzbot] [virt?] upstream test error: KMSAN: use-after-free in vring_map_one_sg From: syzbot To: eperezma@redhat.com, jasowang@redhat.com, linux-kernel@vger.kernel.org, mst@redhat.com, syzkaller-bugs@googlegroups.com, virtualization@lists.linux.dev, xuanzhuo@linux.alibaba.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+ac856b8b866cca41352c@syzkaller.appspotmail.com Tested-by: syzbot+ac856b8b866cca41352c@syzkaller.appspotmail.com Tested on: commit: 07394736 Merge tag 'for-6.18/hpfs-changes' of git://gi.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=60ff1a9f60b0f77d dashboard link: https://syzkaller.appspot.com/bug?extid=ac856b8b866cca41352c compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=17a7a9e2580000 Note: testing is done by a robot and is best-effort only.