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X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Claude Opus 4.6 \(1M context\)" Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.2 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 0/5] fs: ext4: protection against corrupted filesystems X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) This series contains fixes against corrupted filesystems leading to buffer overflows or division-by-zero. All patches have been tested to be effective with manipulated fs images. Signed-off-by: Sascha Hauer --- Sascha Hauer (5): fs: ext4: validate log2_block_size from superblock at mount fs: ext4: reject superblocks with zero inodesz, gdsize or inodes_per_group fs: ext4: fix OOB read and infinite loop in ext_iterate() fs: ext4: reject dirents with too-small direntlen to prevent infinite loops fs: ext4: validate extent eh_entries against buffer capacity fs/ext4/ext4_common.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ fs/ext4/ext_barebox.c | 13 ++++++++++--- 2 files changed, 61 insertions(+), 3 deletions(-) --- base-commit: 0933e8f2ebf0d91dfcf177a4e4292b02921a53f1 change-id: 20260402-fs-ext4-buffer-overflows-b26d5463cb7c Best regards, -- Sascha Hauer