From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 99E90210EC for ; Wed, 17 Jul 2024 07:54:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721202844; cv=none; b=Enqa6n+FwmdnUTQSe1vkekJBXaRgeqA8nmmaO/QVj9ojPmuobqFAma0FVFuYF7HFL+QWA9JxJ/n3qSK/nCl/O8QjIyoPiG0WHNTP/GUIN9F5uQcpjQhDYKexyG97DjugFC7AD3Cvyt/4X0q82RkrBXCrDqFu3mzB2aotVes6MKY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721202844; c=relaxed/simple; bh=HTphJf/vtkaGyd9Fm9S2QENKL/UOHYmbtv2ZJ7xTSo0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Z04ZjLw4VT3MH+1qwyPwB6na9G9hlYkL2caNYkgZNd8UJgz0i5Qb0teXkjEHzA+zjvYbhwEFWaqSI64DgRKVXMhi1pl5Cd2eHKbvP6/U2ZFzoVz9ZwmMKtSimCIYHNHOQ/dVFfa5ntUDi7i4E+rPcfUFedKbwLy4Bm3G7aCrAbs= 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=209.85.166.71 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-f71.google.com with SMTP id ca18e2360f4ac-7fb15d52c5cso110820539f.3 for ; Wed, 17 Jul 2024 00:54:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721202842; x=1721807642; 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=459Wh7MzFQMVmI1CINvASqTLvP2mJWqT1PrLK1j8cWc=; b=h27Uco3EtKI/X37uly+FEGsLq2RvG/aUPjy3+KOCm+IcvTNeNdqnQIpNkpumGUBQ2i 6cLi6RqEXxOuhslb0/4xSYYbp83eUIzKdQUt4+FE4gVMNkuD57Xg6u8oKtDOqFz2zDLu +50UN79loE+Y7CLRavUpZiKlusARYCi3aiX+6q/i/EZt5PDff7t2csxHdt0NO+VQqygR K/Y68BjJIQ2jmEkcc7U+6BYmTLaXzs67Ug5VSXJPgMke84cjiKLhc6RL9YrZIVp/h92N gIZjdJCQJH+C+CF041SqaoJ45GbnFCojN/GqIz2qCEHF8HVvN9ZBLCjX/QvVqtnAmsSC 5fkw== X-Forwarded-Encrypted: i=1; AJvYcCWUievm8GDXJO1jsUCQcd0eRoSLILHZbSUUJMQ6W5lOpgF7dN3q3YlpwqUihWAJOAHmfz2MHuGIFxVgs1F6PioRO7ziw5yf2AB7TrCX X-Gm-Message-State: AOJu0Yzb4lubb5uJswxGMosHXMMNxixplsPJKfEyc94pM20mSfgp6eOl VFxf4acRngRy8o/9oiZzJbpirCoVv4YPqWVp/YUmTFusqVk7d4tLsiACuu9URCYQT0LY5tY7jQg 1Dm3Nxxr7F4riU8wGoz0el3chL9yMmZpg6U4QcLAgE8YDiTj9sXfe+38= X-Google-Smtp-Source: AGHT+IFP0S3xxxWJCsw8bo32m8dJkh7cnYgUB+8eS65bkcveoWdI88X6R/Atwy8CYDB+GwzBKKs6Axosp7FG7bap07PJ/NNBpaja Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:8717:b0:4b9:6f13:fb1a with SMTP id 8926c6da1cb9f-4c215cc8f41mr33366173.4.1721202841758; Wed, 17 Jul 2024 00:54:01 -0700 (PDT) Date: Wed, 17 Jul 2024 00:54:01 -0700 In-Reply-To: <62834558-1286-4af2-ab6b-7d1ef309c793@paragon-software.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f83e76061d6cc375@google.com> Subject: Re: [syzbot] [ntfs3?] BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident From: syzbot To: almaz.alexandrovich@paragon-software.com, linux-kernel@vger.kernel.org, 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+5b6ed16da1077f45bc8e@syzkaller.appspotmail.com Tested on: commit: 562d060b ntfs3: Convert attr_make_nonresident to use a.. git tree: https://github.com/Paragon-Software-Group/linux-ntfs3.git console output: https://syzkaller.appspot.com/x/log.txt?x=16d54f31980000 kernel config: https://syzkaller.appspot.com/x/.config?x=bc26ad11927ab7fa dashboard link: https://syzkaller.appspot.com/bug?extid=5b6ed16da1077f45bc8e 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.