From nobody Thu Dec 18 22:26:05 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1711370274; cv=none; d=zohomail.com; s=zohoarc; b=dip5tSKTIs6zGLI5EXY/nY/tlwP9Mb0FeXJoASll4UNj8FQ0L22ZUxIkmp03o1kT7yligBefDTx9+f9otBriLFYStAICDmg8vwFLNZWyHnTOlrXYpN5emTaP4OpCSlKSwP5Y40SR6xboJy6E3NgdIM8tf0K9vyJxs4XOk8fnCJU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1711370274; h=Content-Transfer-Encoding:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To:Cc; bh=aGhWsSP/npTCiFe/sHrNCbxR5PPjNjefjYSTRbPwF88=; b=DGy0spXSBQhJ9Ue9j6RyxypiA0YPPDgb2yp24xtNRXQfx57Vvyz6nPnCqFM1FViX/Aq3dExZvuhxuqY86DO1xMlb+qiadR+Qxs1KQ3KYOoP8deLT/fpFW/Bc6yzQTxl2P6yesWkvszR51KiK3HUsYzV2stScDObeRMylVIfhgBA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1711370274976721.1028722806531; Mon, 25 Mar 2024 05:37:54 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rojYX-0002Ja-QB; Mon, 25 Mar 2024 08:36:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rojYS-0002HG-QS for qemu-devel@nongnu.org; Mon, 25 Mar 2024 08:35:56 -0400 Received: from mail-wm1-x32d.google.com ([2a00:1450:4864:20::32d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rojYQ-0005dO-Nw for qemu-devel@nongnu.org; Mon, 25 Mar 2024 08:35:56 -0400 Received: by mail-wm1-x32d.google.com with SMTP id 5b1f17b1804b1-4148bd2ce39so2075215e9.1 for ; Mon, 25 Mar 2024 05:35:54 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id o19-20020a05600c339300b00414041032casm2303877wmp.1.2024.03.25.05.35.53 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Mar 2024 05:35:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1711370153; x=1711974953; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=aGhWsSP/npTCiFe/sHrNCbxR5PPjNjefjYSTRbPwF88=; b=Ygo1IaNH6FB5YXtSobiQEt8PzoNuvjYhNUE0vp/X+iAzTm/FcGTJ9FwmOQ+RVDImM9 FpSERsaIE9OthTglJM9qukogC9Er2aUb1m1o4JpIGeToNxuoYH21/DcJRloZLuIIXMxA F7agCAnX3c7HmYxWd6MJo5qh4F8p/TCW06OJrqx7Dsq+FrZiNoaD++bDbsHMGb6e89n7 B/2f+mPag3y13pJsERp0aokbPb8VFLM6ePKz41nEZ3R2jOX7YitSn+FAHl2slgbaJH4z fJlLNcWBAYVf4/FZUDsTdd7wqLSV7EZh6WTZ2JOPxPpzLJ41eu0O4VjZV4klQIvakbud pSQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711370153; x=1711974953; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=aGhWsSP/npTCiFe/sHrNCbxR5PPjNjefjYSTRbPwF88=; b=ok5wVQ5CXiFti2jaeOodjrjpE6CZ9Bl90/jsCIkRwfvnCgIiokYvpbhR1R5vw+AAFs u6osu6VOGL5OoFKe9Y+By4ipVoPVZzJ/fq/VTizGi/zSaEwRiM4PSvZmSpBdJApAcFam xcLj6Vz15Sy8X2uuEgys3rFCuW38LfAsBmfoHLpMrVqnegQnbZKQDFEsVMHYeA6cpcu6 CCurC9145QyR6G2uZamJdcBGkVsa7xv7AcrxSBxoS7jsI1RCDW9qagodRyKDzVyA4KRb jqDc84HaVDTRWAo8vnvjuU739z7gGyBIWviMwZARBikh0DdCfKW8cndMxZXLJdkBa5MQ 6Juw== X-Gm-Message-State: AOJu0YyyvsOl0XTXtRCjQRNKeDi8lY84LX8Pe07RVoDB7ZSzWzD1B3Fb OV1qn98XOItpBtlrIWoevTLD1YmAIelQG9l/l1hMkOJtVD/lANm8tF+ahT78nmwCaT6x430awm7 w X-Google-Smtp-Source: AGHT+IGPkE4pZV9wBlViscRjg8FwWPkFGu4Q3ONXbnxawSC2IxHR9Y6r9g3WFqH3NIs6lCbfZQJmEA== X-Received: by 2002:a05:600c:4ece:b0:414:6c72:8df with SMTP id g14-20020a05600c4ece00b004146c7208dfmr4809223wmq.38.1711370153346; Mon, 25 Mar 2024 05:35:53 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 3/7] net/af-xdp.c: Don't leak sock_fds array in net_init_af_xdp() Date: Mon, 25 Mar 2024 12:35:46 +0000 Message-Id: <20240325123550.1991693-4-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240325123550.1991693-1-peter.maydell@linaro.org> References: <20240325123550.1991693-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32d; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32d.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1711370276697100005 Content-Type: text/plain; charset="utf-8" In net_init_af_xdp() we parse the arguments and allocate a buffer of ints into sock_fds. However, although we free this in the error exit path, we don't ever free it in the successful return path. Coverity spots this leak. Switch to g_autofree so we don't need to manually free the array. Resolves: Coverity CID 1534906 Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Reviewed-by: Thomas Huth Message-id: 20240312183810.557768-4-peter.maydell@linaro.org --- net/af-xdp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/af-xdp.c b/net/af-xdp.c index 38e600703a3..01c5fb914ec 100644 --- a/net/af-xdp.c +++ b/net/af-xdp.c @@ -446,7 +446,7 @@ int net_init_af_xdp(const Netdev *netdev, NetClientState *nc, *nc0 =3D NULL; unsigned int ifindex; uint32_t prog_id =3D 0; - int *sock_fds =3D NULL; + g_autofree int *sock_fds =3D NULL; int64_t i, queues; Error *err =3D NULL; AFXDPState *s; @@ -516,7 +516,6 @@ int net_init_af_xdp(const Netdev *netdev, return 0; =20 err: - g_free(sock_fds); if (nc0) { qemu_del_net_client(nc0); } --=20 2.34.1