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Wed, 18 Mar 2026 06:40:15 -0700 (PDT) Received: from localhost.localdomain ([88.128.90.12]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-486f4b9beb0sm40255475e9.8.2026.03.18.06.40.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Mar 2026 06:40:14 -0700 (PDT) Message-ID: <69baab3e.050a0220.20c44c.52e9@mx.google.com> To: "Jinseok Kim" In-Reply-To: <20260317170058.1229-1-always.starving0@gmail.com> Date: Wed, 18 Mar 2026 13:40:13 +0000 X-Virus-Scanned: clamav-milter 1.0.9 at in-2.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH v3] inotify: replace strcpy() with snprintf() X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Andrea Cervesato via ltp Reply-To: Andrea Cervesato Cc: ltp@lists.linux.it MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi, > > The -Wformat-truncation warning still occurs: > > snprintf(fname2, sizeof(fname2), "%s.rename1", fname1); > snprintf(fname3, sizeof(fname3), "%s.rename2", fname1); Indeed, compiler might complains in this case. `snprintf()` can't overflow, but it can stop adding characters after `PATH_MAX`. We need to verify the return value, but `PATH_MAX` can be still a valid return value. I will cc @Cyril to ask for an opinion about it. -- Andrea Cervesato SUSE QE Automation Engineer Linux andrea.cervesato@suse.com -- Mailing list info: https://lists.linux.it/listinfo/ltp