From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS3215 2.6.0.0/16 X-Spam-Status: No, score=-3.7 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by dcvr.yhbt.net (Postfix) with ESMTP id A65E21F93C for ; Fri, 18 Nov 2022 11:47:17 +0000 (UTC) Authentication-Results: dcvr.yhbt.net; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="cJifsZZP"; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241309AbiKRLrK (ORCPT ); Fri, 18 Nov 2022 06:47:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45288 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241653AbiKRLrF (ORCPT ); Fri, 18 Nov 2022 06:47:05 -0500 Received: from mail-ej1-x62a.google.com (mail-ej1-x62a.google.com [IPv6:2a00:1450:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A3C9B2182A for ; Fri, 18 Nov 2022 03:47:04 -0800 (PST) Received: by mail-ej1-x62a.google.com with SMTP id f27so12477144eje.1 for ; Fri, 18 Nov 2022 03:47:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; 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=VUOskB7cUnbKwbJc7ZWKlpeX+jnnAEIE6O+6lNHuGzk=; b=cJifsZZPpF4Xai8s6HnGkZcq/ASvMv99TB7Crs64Tg2Ug89/DftP5DCdPX8Bja0ViP ztfeCePRwEu261VeGfSI5KUnORwnl/XvVokuEw/27QwSups7uawCbTltEnES68qO2VI4 d3IcviYSPlmVFfZ6e9ADyUL8pjUiPDCG66Q89h1wc1dEYgwR+tEP6HchtBB9Oq5Wzvtv vYR3HSsDB+oZGGq8wnWNTkG7+0TR9jsPXHFAnkVX5yL+eP8hteuIWecwyuHuVCMTQDE9 LsM1kBcHmKTgOUMxIQ747mNdqYc0GCe9yUH8Lb8d8XAswNldE0RtEpAOW8dtGmB0scbX hcjw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=VUOskB7cUnbKwbJc7ZWKlpeX+jnnAEIE6O+6lNHuGzk=; b=Evyiu0swEWCfA1sJBC+4BavpbCFqyDGebYEr4Py5qG3zRdfadrKknAaDMxK/VYMJDX P3YCyi9iaN5is0/1InL+8Z/qtDe7k+pnOPbkJ2rih+StsexqunX3dDNNKrx025Q7xavm 41yMKYFdKurEMPI6YOG7NwZNQWC3UKjNoTOSHpylAEPti7RZu8CVliQe+UQYNQhuRvDT F35KKUMWPn7tk7bwGrRyBXrsNB3y3PTtCpsNsdw4fDLxhwJ7zpVALI40c6rElGsDJwbS 7LmfSHbCGJdPx0SjKm4gmlajzPZngG0iaVYK5ehGk2LRcgJ/uZw1vycozi93TYQeQfIr /TLQ== X-Gm-Message-State: ANoB5pkwKsb8uyu4G63uk0CeRs6RCd6aplp80dojaOV+EHtLOaO/LtaE 9rvtJp7PUYc3mL/YcDrn98H+XpQS5mgEbA== X-Google-Smtp-Source: AA0mqf7Vft/3FKQH/JyVZaUSZZMYt59vZZuQBJrwTI6Okv4K5+vDMtw3f2oPVO6kx4OBLjBixkgZpg== X-Received: by 2002:a17:906:eb8e:b0:7b2:a2c3:2ff0 with SMTP id mh14-20020a170906eb8e00b007b2a2c32ff0mr5018511ejb.561.1668772022821; Fri, 18 Nov 2022 03:47:02 -0800 (PST) Received: from vm.nix.is (vm.nix.is. [2a01:4f8:120:2468::2]) by smtp.gmail.com with ESMTPSA id o8-20020aa7dd48000000b004615e1bbaf4sm1705349edw.87.2022.11.18.03.47.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 03:47:02 -0800 (PST) From: =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= To: git@vger.kernel.org Cc: Taylor Blau , Junio C Hamano , Jeff King , Jonathan Tan , Kousik Sanagavarapu , =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= Subject: [PATCH 1/4] object-file.c: free the "t.tag" in check_tag() Date: Fri, 18 Nov 2022 12:46:56 +0100 Message-Id: X-Mailer: git-send-email 2.38.0.1512.g9e0c09a155f In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Fix a memory leak that's been with us ever since c879daa2372 (Make hash-object more robust against malformed objects, 2011-02-05). With "HASH_FORMAT_CHECK" (used by "hash-object" and "replace") we'll parse tags into a throwaway variable on the stack, but weren't freeing the "item->tag" we might malloc() when doing so. Mark the tests that now pass in their entirety as passing under "SANITIZE=leak", which means we'll test them as part of the "linux-leaks" CI job. Signed-off-by: Ævar Arnfjörð Bjarmason --- object-file.c | 1 + t/t3800-mktag.sh | 1 + t/t5302-pack-index.sh | 2 ++ 3 files changed, 4 insertions(+) diff --git a/object-file.c b/object-file.c index 957790098fa..a13edba0753 100644 --- a/object-file.c +++ b/object-file.c @@ -2338,6 +2338,7 @@ static void check_tag(const void *buf, size_t size) memset(&t, 0, sizeof(t)); if (parse_tag_buffer(the_repository, &t, buf, size)) die(_("corrupt tag")); + free(t.tag); } static int index_mem(struct index_state *istate, diff --git a/t/t3800-mktag.sh b/t/t3800-mktag.sh index e3cf0ffbe59..d3e428ff46e 100755 --- a/t/t3800-mktag.sh +++ b/t/t3800-mktag.sh @@ -4,6 +4,7 @@ test_description='git mktag: tag object verify test' +TEST_PASSES_SANITIZE_LEAK=true . ./test-lib.sh ########################################################### diff --git a/t/t5302-pack-index.sh b/t/t5302-pack-index.sh index b0095ab41d3..54b11f81c63 100755 --- a/t/t5302-pack-index.sh +++ b/t/t5302-pack-index.sh @@ -4,6 +4,8 @@ # test_description='pack index with 64-bit offsets and object CRC' + +TEST_PASSES_SANITIZE_LEAK=true . ./test-lib.sh test_expect_success 'setup' ' -- 2.38.0.1511.gcdcff1f1dc2