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V" , Miklos Szeredi , Amir Goldstein , linux-fsdevel@vger.kernel.org, linux-unionfs@vger.kernel.org References: <20200519024311.7bkxi2fkxboon2ig@xzhoux.usersys.redhat.com> From: Ritesh Harjani Date: Thu, 21 May 2020 11:38:32 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <20200519024311.7bkxi2fkxboon2ig@xzhoux.usersys.redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Message-Id: <20200521060833.855415204F@d06av21.portsmouth.uk.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216,18.0.676 definitions=2020-05-21_02:2020-05-20,2020-05-21 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 lowpriorityscore=0 mlxscore=0 suspectscore=0 spamscore=0 impostorscore=0 malwarescore=0 adultscore=0 bulkscore=0 clxscore=1015 mlxlogscore=999 priorityscore=1501 cotscore=-2147483648 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2005210035 Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Hello Murphy, On 5/19/20 8:13 AM, Murphy Zhou wrote: > On Thu, Apr 23, 2020 at 04:17:52PM +0530, Ritesh Harjani wrote: >> Hello All, >> >> Here are some changes, which as I understand, takes the right approach in fixing >> the offset/length bounds check problem reported in threads [1]-[2]. >> These warnings in iomap_apply/ext4 path are reported after ext4_fiemap() >> was moved to use iomap framework and when overlayfs is mounted on top of ext4. >> Though the issues were identified after ext4 moved to iomap framework, but >> these changes tries to fix the problem which are anyways present in current code >> irrespective of ext4 using iomap framework for fiemap or not. > > Ping? It's superseded by below mentioned patch series. Please follow below thread. https://lore.kernel.org/linux-ext4/20200520032837.GA2744481@mit.edu/T/#t -ritesh