From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (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 9A7331B4156 for ; Sat, 11 Oct 2025 09:20:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760174408; cv=none; b=DiTzfqiR78YjFpCp12OkmcRJY3kWWxQBtuymqF1XJ3phHxlJbMWFPTu4niT6bi5qc+Dci/1UANhspoDQnJ6jTiAFrXC8oZdftwHU+XjWy3M9r6/q7vMph+UMROeqj82B1/NE/SCj/aFimFC/R+nw7hPoijD2CGzL2McneL+4UTI= 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=209.85.166.70 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-f70.google.com with SMTP id ca18e2360f4ac-919d48f1869so2092299839f.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=Cv8nsCpowvHXqp89JT81nZl075HlqCjdLaXzlDlJQlTxMdDu9tTqaJTcvfrZzEWb/s cFwPSescDF2FfjvQMqU/+8tvPC7+p3Ms6vezGYHmvK5xCJsnDnltorhqKJ5nwBQ/3xjY HWp6gVqdqUg9bfzr05+RDqtmHgCWiSdhZqhWpF+vx1+65MedtN0TEtY+itcuxMr9l6K6 Up9q8B59qfl1um+ltm4R31KcWY8B4ZwXtCSpgOi2vVf6mWVm+XrhvvSJhrvgwANZtNjv Tbx5iAte7A/HUHqv4da0CpkjS/MP5RYRcL5x+CBTJ0+Ahb1oU0prMfiQz5uO5RQbKs4s fHEA== X-Forwarded-Encrypted: i=1; AJvYcCXMVyHtFRRWoDzhxzUL5wQW2AZB91hUt0BgtGwAY+FvDbTnIZme6Ti6W7zgRn6QSCn4quoWeO4dpoFuvcTiHQ==@lists.linux.dev X-Gm-Message-State: AOJu0YyWKL7R2nMEiiBhcL7/iBuGHmG+XKHQONkp3Fa3ZFvdzVE+sW/y jC0J2168bN+cePkCATAN5u3C0cS5+/RtTXExWCv2bMvEZG3WHRxSUKIpsoCZZneZSnTqtbSzPhi bGMjmtBsBDxe4Ch1KGyxETn2gKLksTaJukGrZ78SqvXfFaRitjYlQehJXqzA= X-Google-Smtp-Source: AGHT+IHIx/fEEScZKonYGrmBu/nBVlA8h1a9UNlBcPcUL2wzdKBhGjEU7W4CUUX1nYdvLnQP9G5mPRbKDsvNi+mV4kFtaIQ4J7LF Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev 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.