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[174.21.143.238]) by smtp.gmail.com with ESMTPSA id g18sm11221pgn.47.2020.06.02.14.58.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 02 Jun 2020 14:58:28 -0700 (PDT) Subject: Re: another tst-arm-mte bug: qemu-system segfaults To: Szabolcs Nagy References: <20200529120427.GB18623@arm.com> From: Richard Henderson Message-ID: <9aa721e6-e72f-20bc-73b4-19fc3f493241@linaro.org> Date: Tue, 2 Jun 2020 14:58:26 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200529120427.GB18623@arm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::535; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x535.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nd@arm.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 5/29/20 5:04 AM, Szabolcs Nagy wrote: > again i'm using the branch at > > https://github.com/rth7680/qemu/tree/tgt-arm-mte > > to test armv8.5-a mte, now qemu-system-aarch64 segfaults > and it's easy to reproduce: minimal source and static > linked binary is attached (should be executed on linux > with mte support, i used mte-v4 kernel with reverted > memory property check). Now fixed on that branch. r~