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[116.206.12.32]) by smtp.gmail.com with ESMTPSA id 12-20020a170902c20c00b001750361f430sm13341444pll.155.2022.10.20.16.23.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 20 Oct 2022 16:23:23 -0700 (PDT) Message-ID: <02b72b86-7240-5530-477a-c8bdcfd35ef5@gmail.com> Date: Fri, 21 Oct 2022 06:23:19 +0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.3 Subject: Re: BISECT result: 6.0.0-RC kernels trigger Firefox snap bug with 6.0.0-rc3 through 6.0.0-rc7 To: Phillip Lougher , Jintao Yin Cc: hsinyi@chromium.org, linux-kernel@vger.kernel.org, marcmiltenberger@gmail.com, mirsad.todorovac@alu.unizg.hr, regressions@leemhuis.info, regressions@lists.linux.dev, srw@sladewatkins.net References: <20221018174157.1897-1-phillip@squashfs.org.uk> <20221020135545.586-1-nicememory@gmail.com> <41ef4b22-eea8-2d67-99d8-6aaae7d25ac1@squashfs.org.uk> Content-Language: en-US From: Bagas Sanjaya In-Reply-To: <41ef4b22-eea8-2d67-99d8-6aaae7d25ac1@squashfs.org.uk> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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,NICE_REPLY_A, 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-kernel@vger.kernel.org On 10/20/22 22:45, Phillip Lougher wrote: > On 20/10/2022 14:55, Jintao Yin wrote: >> Hi all, >> >> After review the details of page actor, the tail bytes may be written to >> a temp buffer instead the last used page. So before diff would wrongly >> memzero a page which is not the tail bytes in. >> >> In this diff fixes it by caculation of the real index the trailing bytes >> in and check if the last used page matches this index. If the page is >> the real tail bytes in, then memzero the trailing bypte of the page. >> >> Please help test and any feedbacks are welcome. >> >> Thanks, > > This is a rediculously complex patch.  Sorry, but, absolute NACK. > > Additionally, it is poor etiquette and pointless to fix an > already fixed issue with a _more_ complex patch. > Ah! I was about to test his third fixup patch. I prefer to go with your fix instead (as the formal patch). -- An old man doll... just what I always wanted! - Clara