From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 633A4D340A5 for ; Tue, 27 Jan 2026 16:34:07 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 88863410DF; Tue, 27 Jan 2026 17:33:25 +0100 (CET) Received: from mail-wm1-f51.google.com (mail-wm1-f51.google.com [209.85.128.51]) by mails.dpdk.org (Postfix) with ESMTP id AC404410D0 for ; Tue, 27 Jan 2026 17:33:23 +0100 (CET) Received: by mail-wm1-f51.google.com with SMTP id 5b1f17b1804b1-47ee07570deso45701815e9.1 for ; Tue, 27 Jan 2026 08:33:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1769531603; x=1770136403; 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=Avhl9YgiSxxdK9mVnQKAOQQ+ilaSko/avISOyDtECRA=; b=rFztPB0JwdlYNnvkk9KdpEheP8RpJ6oXGZjd9gLmFepZBd2d3S1DG4G3Rq3gJObstZ jdHh9PAYiB62Sd0QXK9GYVxnYtc7SqErzuAuQGvd1tEgCBrITkwtWlx71lhLOcI7ccuF fuzHqPXjcAcDFU5pZI+q1uQD7ns5jOCQxycd1SJVw+nPfDflOjsWnk8FEH+jT8bnbtM0 CCl1+pZpbURIzvO/4NkQo5Kn10kfCvMKh1ly3afy9hHtUmSBOKv+1r9QZho90SHZJnQK KcgYFMDPCUDUVV+Z1u14ywIaRpQ00LY/Tf/KFfeCyz0DVgZrO5FXW/sfH6cp6MEi+2Fe Da7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769531603; x=1770136403; 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=Avhl9YgiSxxdK9mVnQKAOQQ+ilaSko/avISOyDtECRA=; b=mRuxqO3Xnnr/dMNs4wKkA3iMWEYuvOB2o15plDQ8tnW84LgtIj9v6/1bVDtiXa8z5I I3/t25JkvRq8Ne9BF6GM9yCEwL9yiI47u1eBp0y/m895CzR2o2Z02uQ2nNA9qZ27o8Kd 3IEB2juvIIVq/SJiRJCnF65XbXpSIbXAMy1OGfF+xtiz6xsvaDTuazsJMQAjRjmCgNo9 xEyyMdUzPiAJg0SWKOshjsD3XkUWvIl+p4X0bwSXgCTXRzk+dcEMKuv9m5J+ui2fd0Zr hbAk8L5DmJs0oVFRLo2xw1TTR9sbpoND3DUFyjH5rP9jvPuhTO3muyrLLFpV0OoOPHYc gQAQ== X-Gm-Message-State: AOJu0Yx9tPNkFibAXhsC1iWPr6eRtS9oxz/Y45fqpYkbENLpbJsy3CaQ xhK0tcpCIZp4Jx3dgqTm+MzYe/f7dja79SmeF53muYf0+re8yzqRVGvP8hJws4YXmKjqaoP2PE0 8RGyO X-Gm-Gg: AZuq6aJkH6DyCKpEc7RGOMrJdiYfP6BDzlhFDrUTNYGQiTN927QYUL/rNiJ7yCvDsHM C6KHrrm0mMX6eTLMVryPhPLkZr17PDsZru2nZPPNmDYzABhNnH5BHBN7XtmKxP0fVryG1E4MXzL F313TMwfXq94iMBMd79QkoXFmOmVib59hu62zKUAi4w3EhCrvX8yXEvwIisMae9pb5H6J+IodUN Aplgixn5vGVbflhN3WeRdNDqUrvJK7OSULVjgYBdf0NbWc6vTuTBxUW6RECGv0QTRjVisUIRaDj 1xcC5JX2a0qvY6dykyixftNT2iLFWgE3de2zBVyBTNVQr/b1GGZwSMHCKSiwJGURny3piLZQFfa wQwPlOJKxin64LKT179qL28BqBy89E4865fLRXZbfWeAPKfzHRv2+GpURREqVvidmAkwAtqRiTM DGjWFYPVoaQmr09MILhoFeWIpM0hjScKIouZy0rynjKtA5O2eXfQ== X-Received: by 2002:a05:600c:4689:b0:480:6941:d38b with SMTP id 5b1f17b1804b1-48069c92bd8mr31418755e9.30.1769531603218; Tue, 27 Jan 2026 08:33:23 -0800 (PST) Received: from phoenix.lan (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-435b1f745dbsm39978513f8f.34.2026.01.27.08.33.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jan 2026 08:33:22 -0800 (PST) From: Stephen Hemminger To: dev@dpdk.org Cc: Stephen Hemminger , Anatoly Burakov Subject: [PATCH v13 09/17] eal: avoid format overflow when handling addresses Date: Tue, 27 Jan 2026 08:30:23 -0800 Message-ID: <20260127163258.75566-10-stephen@networkplumber.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260127163258.75566-1-stephen@networkplumber.org> References: <20251202172626.283094-1-stephen@networkplumber.org> <20260127163258.75566-1-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 | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/eal/common/eal_common_memory.c b/lib/eal/common/eal_common_memory.c index c62edf5e55..dccf9406c5 100644 --- a/lib/eal/common/eal_common_memory.c +++ b/lib/eal/common/eal_common_memory.c @@ -1153,8 +1153,9 @@ 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 +/* Address string is "0x" prefix + 16 hex digits + null */ +#define ADDR_STR 20 /* Telemetry callback handler to return heap stats for requested heap id. */ static int -- 2.51.0