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[64.35.202.119]) by smtp.gmail.com with ESMTPSA id x23-20020a05620a0b5700b00706a452c074sm1137536qkg.104.2023.01.17.10.31.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Jan 2023 10:31:48 -0800 (PST) Date: Tue, 17 Jan 2023 13:31:46 -0500 From: Eric Whitney To: linux-ext4@vger.kernel.org Subject: generic/454 regression in 6.2-rc1 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org My 6.2-rc1 regression run on the current x86-64 test appliance revealed a new failure for generic/454 on the 4k file system configuration and all other configurations using a 4k block size. This failure reproduces with 100% reliability and continues to appear as of 6.2-rc4. The test output indicates that the file system under test is inconsistent. e2fsck reports: *** fsck.ext4 output *** fsck from util-linux 2.36.1 e2fsck 1.46.2 (28-Feb-2021) Pass 1: Checking inodes, blocks, and sizes Extended attribute in inode 131074 has a hash (857950233) which is invalid Clear? no Extended attribute in inode 131074 has a hash (736302368) which is invalid Clear? no Extended attribute in inode 131074 has a hash (674453032) which is invalid Clear? no Extended attribute in inode 131074 has a hash (2299266654) which is invalid Clear? no Extended attribute in inode 131074 has a hash (3503002490) which is invalid Clear? no < and continues with more of the same > The failure bisects to the following commit in -rc1: 3bc753c06dd0 ("kbuild: treat char as always unsigned") The comment for this commit suggests that it's likely to cause things to break where there has been type misuse for char; presumably, that's what's happened here. Eric