From patchwork Fri Dec 30 02:18:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?w4Z2YXIgQXJuZmrDtnLDsCBCamFybWFzb24=?= X-Patchwork-Id: 13084030 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2FA0C3DA7A for ; Fri, 30 Dec 2022 02:19:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234406AbiL3CTt (ORCPT ); Thu, 29 Dec 2022 21:19:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234358AbiL3CTE (ORCPT ); Thu, 29 Dec 2022 21:19:04 -0500 Received: from mail-ed1-x52c.google.com (mail-ed1-x52c.google.com [IPv6:2a00:1450:4864:20::52c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6DED17882 for ; Thu, 29 Dec 2022 18:18:57 -0800 (PST) Received: by mail-ed1-x52c.google.com with SMTP id u28so24034778edd.10 for ; Thu, 29 Dec 2022 18:18:57 -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=Wh6Ftz+AHRDRNG/GOzECG9eiAz7D5GORQnv+60g4Vqs=; b=UM3v2nT2Zi5Fr0M3RJZUgMPbqU33WFt5NuBRU2EUjSVjK+HJChJFQqCkw48+Sj+ZKU +Wv638oCQlA8KrnfCbRwbQYAzSCbFbcf9tAZ1CrRj266FlHyKHFTQNck4HD9yu3p3Ssw ZFB4sg8h08XS6G9Y1oLQB1i8t1xR+bzIzqoeo3rAXhXdqqPGUU9d9YFr7CNYdBtT3PR0 57oq48vJT1POMiDYYNEeBY3VU2RHg/zgjgOnK7CRMAYSzAVjdetmST1jrEcLJsJi5/C3 5qzOmavz/tROZt+Z0w0InJw8MBZyh3pG/50o9B348D2Ar9wHLxOJDlIyCEpLQprg3cTj Ynxg== 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=Wh6Ftz+AHRDRNG/GOzECG9eiAz7D5GORQnv+60g4Vqs=; b=5O8T5uAi6vjJAht1FUKkj+H3hC/aIW50MW477v2l1kU9wgI4QbL3nIqzHCeiwlEYEd P1IebANvaWFcEUfB5GlaOEypvL+cjF0r7SaIuAwVAhQe6r/WULFIbxvIILwhQ7EMVID0 2oLajKcyCFzbcnAzybC2HTj+NncQ86q8rfbyPIktRs9W202E0Twm+/ejaLxPArZSSYry pL+f9jpH3Gp5FoAVFhSz5xLmoJ9XuFxeKqjamqHzJJF6O7RsCaoxac9cfyUSCB61xRya noQMy85pvs0O/6wSlWXr3xtMNVbm3XHx72W1qpHwiWk1+w+bs4bYAub6t/kEM2lPZ952 zkFg== X-Gm-Message-State: AFqh2kp7pEcnC34g16KFt6aB74FbQI374Dupvt+W7Dm0PEZ/NXxp/CUk nc9EX4pxJ5STQ2WbMj5J5+MEsqfWQBN5VA== X-Google-Smtp-Source: AMrXdXuHSqj9KTrpMT7hC8R7YoCgOh/EcBFrjCCnLJ8by1wXm4nB0RNzJ1cwis0oeafjDloj7pde+w== X-Received: by 2002:a50:ee8c:0:b0:47e:6b3c:931a with SMTP id f12-20020a50ee8c000000b0047e6b3c931amr25226245edr.10.1672366735812; Thu, 29 Dec 2022 18:18:55 -0800 (PST) Received: from vm.nix.is (vm.nix.is. [2a01:4f8:120:2468::2]) by smtp.gmail.com with ESMTPSA id ay15-20020a056402202f00b0046dd0c2a08esm8861991edb.36.2022.12.29.18.18.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Dec 2022 18:18:55 -0800 (PST) From: =?utf-8?b?w4Z2YXIgQXJuZmrDtnLDsCBCamFybWFzb24=?= To: git@vger.kernel.org Cc: =?utf-8?q?Ren=C3=A9_Scharfe?= , Junio C Hamano , Eric Sunshine , =?utf-8?b?w4Z2YXIgQXJuZmrDtnLDsCBCamFybWFzb24=?= Subject: [PATCH v2 18/20] grep API: plug memory leaks by freeing "header_list" Date: Fri, 30 Dec 2022 03:18:33 +0100 Message-Id: X-Mailer: git-send-email 2.39.0.1153.g589e4efe9dc In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org When the "header_list" struct member was added in [1] it wasn't made to free the list using loop added for the adjacent "pattern_list" member, see [2] for when we started freeing it. This makes e.g. this command leak-free when run on git.git: ./git -P log -1 --color=always --author=A origin/master 1. 80235ba79ef ("log --author=me --grep=it" should find intersection, not union, 2010-01-17) 2. b48fb5b6a95 (grep: free expressions and patterns when done., 2006-09-27) Signed-off-by: Ævar Arnfjörð Bjarmason --- grep.c | 1 + 1 file changed, 1 insertion(+) diff --git a/grep.c b/grep.c index a4450df4559..c908535e0d8 100644 --- a/grep.c +++ b/grep.c @@ -795,6 +795,7 @@ static void free_grep_pat(struct grep_pat *pattern) void free_grep_patterns(struct grep_opt *opt) { free_grep_pat(opt->pattern_list); + free_grep_pat(opt->header_list); if (opt->pattern_expression) free_pattern_expr(opt->pattern_expression);