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Mon, 20 Oct 2025 08:05:31 -0700 (PDT) Received: from draig.lan ([185.126.160.19]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-63c4943015bsm6992616a12.21.2025.10.20.08.05.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Oct 2025 08:05:29 -0700 (PDT) Received: from draig (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id C48925F83E; Mon, 20 Oct 2025 16:05:28 +0100 (BST) From: =?utf-8?Q?Alex_Benn=C3=A9e?= To: Sean Anderson Cc: Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org, Richard Henderson , Luc Michel Subject: Re: [PATCH 1/3] gdbstub: Fix %s formatting In-Reply-To: <20251017213529.998267-2-sean.anderson@linux.dev> (Sean Anderson's message of "Fri, 17 Oct 2025 17:35:27 -0400") References: <20251017213529.998267-1-sean.anderson@linux.dev> <20251017213529.998267-2-sean.anderson@linux.dev> User-Agent: mu4e 1.12.14-dev1; emacs 30.1 Date: Mon, 20 Oct 2025 16:05:28 +0100 Message-ID: <87v7k97gw7.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::529; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x529.google.com 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_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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 Sean Anderson writes: > The format string for %s has two format characters. This causes it to > emit strings like "466f5bd8/6x" instead of "466f5bd8/6". GDB detects > this and returns EIO, causing all open File I/O calls to fail. > > Fixes: 0820a075af ("gdbstub: Adjust gdb_do_syscall to only use uint32_t a= nd uint64_t") > Signed-off-by: Sean Anderson Reviewed-by: Alex Benn=C3=A9e --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro