From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 E86493BB22 for ; Wed, 17 Jul 2024 08:42:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721205725; cv=none; b=Mb4TpSZs5GPgxfYs3v+e5W/xoofVOZOBrJzJOMEjxZrjFfYq/WncJPEeQM7Zb/Bymk85eWMTM1WDAJ6H6LPJ3OL1g95JiYa8Hph8uRfqujCgN4L+L7lLbN/DLwZcRIOfHBEelSyQuARAKpvnuxHNr4I72xl2AtKJNUgmbyDkWSA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721205725; c=relaxed/simple; bh=UOIBL7aX3RLOn0PgPQubUIJjX3IhyxtqWGDKVPJ9T78=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=RjWxhuBS/vj2WdoZwzvqqRec9i+B++NCZcx68ssO9AjdRCFiLCrmTKQEGr+sHcczOdfUPKHVVoUl/B/Jo9r8t2iyZ+KWzzrGktnaBgFmYxgjphJoKZzYDWnfY6yS3XP0pVNpZQqJdNq91WxqBAQGV67lw/bzpM0IxZ4Vfo9wFOs= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-38268e4ebfeso12576055ab.1 for ; Wed, 17 Jul 2024 01:42:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721205723; x=1721810523; 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=9V1geFRQ0NNQl7yDxNdS4mWzCKltiTuEdo35eA4xiVw=; b=LpyW7ijSJIP6WLB0HFwp4KKIhLPcUUDt2wHUeJ+cBCcdBZD7byk5xxJ8E/boxpIJwu Rpz5DZu0tN85N4xQ+heYRGvPP+adKUVtr8XJbX712hywJdk28HjpOTl7aZYtALL4OQy7 zL2iDyvGNxEjxmPaD2xXrpRNkO0baQ+PCCbYZKOWzT2qoI5oExYEA8nKFYaCGFRBjHaa 7zsGhBowabwsVxGatxEzdxNV8Wuc5UqTaLftTm5lZlQZDwCvn/GhTvURdlzlcKr4BB3d x8K02k7yDgPcIGY5wYhXw+/gDbVXldWxZ2SL+WgSH5XpwGngb3NuyPfB/Cu1vaZCpvNp YEzg== X-Forwarded-Encrypted: i=1; AJvYcCWlqRAgNZ/ZEHA//pdKiVv+2JwSm/Pys8oQV1DeVPWt1qfEtTFWr1xwusj/3e98cJ76b6ZVxzJq5oQZFyVAVk473g5hUgD49moSfCU+ X-Gm-Message-State: AOJu0YzVgG6o5FTxEiq60fktVTeFS23hUR7gLBTmNMxDSShOxYpLt7EZ hcoa6B/f+N6k7s6ju9ZX4mavPckCkyZhzhiZ+poy+G4xT0tsyiQN47PoPoavVW3K0N+Ye4y0GZW dOD97NK0k9q9tf4y1ydysI5AgNopf8tH1Bz2owIe0Gjvzuq7Tl8YVWN4= X-Google-Smtp-Source: AGHT+IGoZ8sxXs3Kv3OJDXWyiYZhyl3Xr/R1jx24Zx+SnHcxw0nxgXrkstDdMi7zk57HE6vkWVZWkdPhJv5RtZyjytWBnjUipqZu Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1e0c:b0:376:417e:c2b2 with SMTP id e9e14a558f8ab-39557fac7bfmr1089725ab.5.1721205723104; Wed, 17 Jul 2024 01:42:03 -0700 (PDT) Date: Wed, 17 Jul 2024 01:42:03 -0700 In-Reply-To: <654aa65d-c29b-449f-9df9-d8d6775b0355@paragon-software.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b63e2b061d6d6fb2@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: d0c3df62 ntfs3: Convert attr_data_write_resident to us.. git tree: https://github.com/Paragon-Software-Group/linux-ntfs3.git console output: https://syzkaller.appspot.com/x/log.txt?x=10249a0d980000 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.