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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id nk7-20020a17090b194700b002086ac07041sm1731834pjb.44.2022.10.14.10.41.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Oct 2022 10:41:20 -0700 (PDT) From: Kees Cook To: gpiccoli@igalia.com, linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Kees Cook , ardb@kernel.org, linux-efi@vger.kernel.org, anton@enomsg.org, linux-fsdevel@vger.kernel.org, Tony Luck , ccross@android.com, kernel-dev@igalia.com, kernel@gpiccoli.net Subject: Re: (subset) [PATCH V2 1/3] pstore: Alert on backend write error Date: Fri, 14 Oct 2022 10:41:06 -0700 Message-Id: <166576925933.1456464.14312248515298828648.b4-ty@chromium.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221013210648.137452-2-gpiccoli@igalia.com> References: <20221013210648.137452-1-gpiccoli@igalia.com> <20221013210648.137452-2-gpiccoli@igalia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 Thu, 13 Oct 2022 18:06:46 -0300, Guilherme G. Piccoli wrote: > The pstore dump function doesn't alert at all on errors - despite > pstore is usually a last resource and if it fails users won't be > able to read the kernel log, this is not the case for server users > with serial access, for example. > > So, let's at least attempt to inform such advanced users on the first > backend writing error detected during the kmsg dump - this is also > very useful for pstore debugging purposes. > > [...] Applied to for-next/pstore, thanks! [1/3] pstore: Alert on backend write error https://git.kernel.org/kees/c/f181c1af1385 -- Kees Cook