From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 0356748C0B; Tue, 2 Dec 2025 18:26:58 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 102CA4065B; Tue, 2 Dec 2025 18:26:38 +0100 (CET) Received: from mail-qk1-f172.google.com (mail-qk1-f172.google.com [209.85.222.172]) by mails.dpdk.org (Postfix) with ESMTP id C64AC40657 for ; Tue, 2 Dec 2025 18:26:36 +0100 (CET) Received: by mail-qk1-f172.google.com with SMTP id af79cd13be357-8b5c81bd953so39508485a.1 for ; Tue, 02 Dec 2025 09:26:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1764696396; x=1765301196; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=QvcvgW+x+uSnz55S9mirEMzeh8CER0lSkM316qqFM6A=; b=nZD/Cfrh73laKsYHcRdbZYUuqUcl+LRn4+07K/2ona4piDSxIL3KxffIyV7CDRAa57 fU9c5n4iAB7uZJuwr/GpwIC3l6dTF1YS9cV6d2jZ3g1MhhwPn7zEq+cUSYpYFbMBqgki m4Pta1YNx3eM65DP9BAhuqt0FmYpft2yZw/10cX2oIDqRlavbSNCdBT171Qxu0jPIO7L TAStRsTR0qeaWWs5OR4jBipnFIk5LxSVrWWultig5BYpFjt0oh3qzE3/xdn0XdpiSji6 NF256iItM8+kVj6AGMwmeqz/c0vxrqzKgYvlfazQJwlU/7+rxpRPz3GxXU1EhHTk+lHu zXeQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1764696396; x=1765301196; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=QvcvgW+x+uSnz55S9mirEMzeh8CER0lSkM316qqFM6A=; b=wRYl5UqTbDJ1sqDLtTRKcJC5+U9d23lsSkGtI9Ng1WP6mOTvFUSIIPyMwXmBSXniY5 OvflgMZ39UOT8bGdjjwQxZwO0AcTRd47WbFOsQrMKQ7lYvD9Bsldi8FIWrTy8usKucKg hAxz7NZk5XFtgAKjvgXbf5O+mwwEbCoB+vUYAvf3J1ScQN1sVJsRVk4zlfALoLrB5lfx vTYZQbOQnwdvCxn5NDpMrErl6KaLswMG40MHJYFK0Fm1/e5dvUtixOOSQpZZYO9hHwHh 2OiaKahDh3f7Vw4XpIEM1CNRdGNyNlYvU98S+oZ2i+/yX6IxI5N6GQnNTmXiQR6rplsE STsA== X-Gm-Message-State: AOJu0Yz4TKw6qP5TjrevodHiX9oMfc2BbVxBFFdRw8cHOfkSEos7yqC4 vf52xVZEHVaofWK0mExgxARkqHwA0IQmGj8VxD4UWwVTc7V1mytiA/ZRWUQ0lYHCkmvPJzfCIC2 uHXnW X-Gm-Gg: ASbGncsEd4fotxyi/GRHDZtmkY7Mb8yDaRobhzofGBipSleDs394TqnMpjeoxdhPcTJ Ms6vlprk0xftC4NBwgaxCemiNG3gL9/xZ5UWrvUM22RYnMqONwCDAbGW8RhXQV73/zDwhWwmZLk fAZND1gYROSQrFCosp7fAmMUENseAbAh/qqNZn1h1uYTVvNxOgKrZ1ixgS7qFmvmoU9J74nwq+X XHiqiK0Og4Lgw628GegjtMmpkBV0NVgUwasavJzRgowYEAgpJHOpr+Z5xAsrLpDdndnSSuSM3Hr EKcFIkwEXMwlM50v+pCuk5zuQ0t32OR9nkt+V4UVbqztbTzfGnpVNGDbs0oPifoO6n9Itn6IN7R oD1ag0PbRRkFJfHfKp6Mud6nUk+eyf9xc1FLW61VFVJ4h6FFe2IpsIbyfaZmrdFc0lBjxwi+FfA ekv3xoEPJhqv1HCoVb9qIGmsOWARq+r6h82WRetkJ8oYKTqTalXW9p8ICOWpgv X-Google-Smtp-Source: AGHT+IH1zVcCjrIpq3jBEPykWvORa6n9wxYwAAjCuNXRtp6ZI7NrgWUHkm5mL5yRFsEz1zASx9SnSw== X-Received: by 2002:a05:620a:458f:b0:8b2:e922:5282 with SMTP id af79cd13be357-8b4ebd6f987mr4247700085a.26.1764696396025; Tue, 02 Dec 2025 09:26:36 -0800 (PST) Received: from phoenix.lan (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8b52a1c8405sm1113724885a.38.2025.12.02.09.26.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Dec 2025 09:26:35 -0800 (PST) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Anatoly Burakov Subject: [RFC 4/8] eal: avoid format overflow when handling addresses Date: Tue, 2 Dec 2025 09:24:30 -0800 Message-ID: <20251202172626.283094-5-stephen@networkplumber.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251202172626.283094-1-stephen@networkplumber.org> References: <20251202172626.283094-1-stephen@networkplumber.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org The largest possible string in this code 0xFFFFFFFFFFFFFFFF which will overflow with only 15 character buffer. Increase to 20. Signed-off-by: Stephen Hemminger --- lib/eal/common/eal_common_memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/eal/common/eal_common_memory.c b/lib/eal/common/eal_common_memory.c index c62edf5e55..2633857db5 100644 --- a/lib/eal/common/eal_common_memory.c +++ b/lib/eal/common/eal_common_memory.c @@ -1153,7 +1153,7 @@ rte_eal_memory_init(void) #define EAL_MEMSEG_INFO_REQ "/eal/memseg_info" #define EAL_ELEMENT_LIST_REQ "/eal/mem_element_list" #define EAL_ELEMENT_INFO_REQ "/eal/mem_element_info" -#define ADDR_STR 15 +#define ADDR_STR 20 /* 16 bytes 64 bit + 0x */ /* Telemetry callback handler to return heap stats for requested heap id. */ -- 2.51.0