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Wed, 30 Apr 2025 03:49:10 -0700 (PDT) Received: from draig.lan ([185.126.160.109]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5f8919af029sm937775a12.21.2025.04.30.03.49.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Apr 2025 03:49:09 -0700 (PDT) Received: from draig (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id 730615F8BB; Wed, 30 Apr 2025 11:49:08 +0100 (BST) From: =?utf-8?Q?Alex_Benn=C3=A9e?= To: Nabih Estefan Cc: qemu-devel@nongnu.org, pbonzini@redhat.com, lvivier@redhat.com, farosas@suse.de, sriram.yagnaraman@ericsson.com, akihiko.odaki@daynix.com Subject: Re: [PATCH v2] Running with `--enable-ubsan` leads to a qtest failure: In-Reply-To: <20250429155621.2028198-1-nabihestefan@google.com> (Nabih Estefan's message of "Tue, 29 Apr 2025 15:56:21 +0000") References: <20250429155621.2028198-1-nabihestefan@google.com> User-Agent: mu4e 1.12.9; emacs 30.1 Date: Wed, 30 Apr 2025 11:49:08 +0100 Message-ID: <87cyct3owr.fsf@draig.linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::52b; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x52b.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Nabih Estefan writes: > v2: used ldl_le_p and lduw_l_p instead of memcpy as per upstream > suggestion. > > ``` > ../tests/qtest/libqos/igb.c:106:5: runtime error: load of misaligned addr= ess 0x562040be8e33 for type 'uint32_t', which requires 4 byte alignment > ``` > Instead of straight casting the uint8_t array, we use memcpy to assure > alignment is correct against uint32_t and uint16_t. Queued to testing/next, thanks. --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro