From patchwork Sun Jul 25 13:08:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrzej Hunt X-Patchwork-Id: 12398119 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD02BC432BE for ; Sun, 25 Jul 2021 13:09:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A679160E78 for ; Sun, 25 Jul 2021 13:09:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230480AbhGYM3V (ORCPT ); Sun, 25 Jul 2021 08:29:21 -0400 Received: from mx.kolabnow.com ([95.128.36.40]:38650 "EHLO mx.kolabnow.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230421AbhGYM25 (ORCPT ); Sun, 25 Jul 2021 08:28:57 -0400 Received: from localhost (unknown [127.0.0.1]) by ext-mx-out003.mykolab.com (Postfix) with ESMTP id 3314040BCA; Sun, 25 Jul 2021 15:08:56 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kolabnow.com; h= content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:date:subject:subject:from:from:received :received:received; s=dkim20160331; t=1627218535; x=1629032936; bh=/ggegXae2JaTFVQ3cd/o5SGgrTHuCVFp27usIrpE0pw=; b=jdJe0vLjjaeS geqBrZpJDGUtDPXUCyFnAaUDikAf+nhMtpQ5z09xcgWWbbh0EWD7VYza99z6YwXh o6s4oypJ/KMDq3SCrZavWIkVUdAFQdAErtSP+pUWA3v6LxJiTRGr/awSRbuGJFnk AOFuV/TM30ATJKYeXgrlQZDA96f4lwD8AMKPBjjyz8Y4HiMlmBO/mWFl9OIbFkF9 6CXZY7rzUTXyi3NNa8eU087b+K9AQBGB26xU1pC5SSfMeI93JpxG4StZH886g7tf e8PkuMseS693syQMUe+3KAmvxMgPFlmtsu0Mai7O/pRo8u6iQQ4bR28m3RrmLUbx MBNIbV9U5vWAOCBj66kDjejpAfsNC6J5H60OJ0S+XB74hWV0qCLyMwut4KAec6RJ IDKbBpj8vt6JCei+ZR5MPjUzYGSF6tx8n9aykiI6ikr9NEHSkmX+OlJ74J/NMwaU d8KLYO5VkLjWpQ12jKwrz1Lbcf0qh7hpE1UWIWTxiNoTgQg4BUNl54DngOtLnFjV SFKl6X652u1t/j5T+mDMYxJl8bi5Yog6W63gWGjBTALJIZQjcE01BAvCzfFCpfcQ MqtuVpNiJuJ0HMJpxp9pHeQDax8vknloeiULFZEv/1oecL4oNgNRUIZCy4WZHbyK RQWcHWM1z1hqZvrJGLutC4nk2bAEwNY= X-Virus-Scanned: amavisd-new at mykolab.com Received: from mx.kolabnow.com ([127.0.0.1]) by localhost (ext-mx-out003.mykolab.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id F80yMCSGN1lK; Sun, 25 Jul 2021 15:08:55 +0200 (CEST) Received: from int-mx002.mykolab.com (unknown [10.9.13.2]) by ext-mx-out003.mykolab.com (Postfix) with ESMTPS id 811B4404BD; Sun, 25 Jul 2021 15:08:55 +0200 (CEST) Received: from ext-subm003.mykolab.com (unknown [10.9.6.3]) by int-mx002.mykolab.com (Postfix) with ESMTPS id 439653F28; Sun, 25 Jul 2021 15:08:53 +0200 (CEST) From: andrzej@ahunt.org To: git@vger.kernel.org Cc: andrzej@ahunt.org, phillip.wood123@gmail.com, newren@gmail.com Subject: [PATCH v2 09/12] builtin/mv: free or UNLEAK multiple pointers at end of cmd_mv Date: Sun, 25 Jul 2021 15:08:27 +0200 Message-Id: <20210725130830.5145-10-andrzej@ahunt.org> In-Reply-To: <20210725130830.5145-1-andrzej@ahunt.org> References: <20210620151204.19260-1-andrzej@ahunt.org> <20210725130830.5145-1-andrzej@ahunt.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Andrzej Hunt These leaks all happen at the end of cmd_mv, hence don't matter in any way. But we still fix the easy ones and squash the rest to get us closer to being able to run tests without leaks. LSAN output from t0050: Direct leak of 384 byte(s) in 1 object(s) allocated from: #0 0x49ab49 in realloc ../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:164:3 #1 0xa8c015 in xrealloc wrapper.c:126:8 #2 0xa0a7e1 in add_entry string-list.c:44:2 #3 0xa0a7e1 in string_list_insert string-list.c:58:14 #4 0x5dac03 in cmd_mv builtin/mv.c:248:4 #5 0x4ce83e in run_builtin git.c:475:11 #6 0x4ccafe in handle_builtin git.c:729:3 #7 0x4cb01c in run_argv git.c:818:4 #8 0x4cb01c in cmd_main git.c:949:19 #9 0x6bd9ad in main common-main.c:52:11 #10 0x7fbfeffc4349 in __libc_start_main (/lib64/libc.so.6+0x24349) Direct leak of 16 byte(s) in 1 object(s) allocated from: #0 0x49a82d in malloc ../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:145:3 #1 0xa8bd09 in do_xmalloc wrapper.c:41:8 #2 0x5dbc34 in internal_prefix_pathspec builtin/mv.c:32:2 #3 0x5da575 in cmd_mv builtin/mv.c:158:14 #4 0x4ce83e in run_builtin git.c:475:11 #5 0x4ccafe in handle_builtin git.c:729:3 #6 0x4cb01c in run_argv git.c:818:4 #7 0x4cb01c in cmd_main git.c:949:19 #8 0x6bd9ad in main common-main.c:52:11 #9 0x7fbfeffc4349 in __libc_start_main (/lib64/libc.so.6+0x24349) Direct leak of 16 byte(s) in 1 object(s) allocated from: #0 0x49a82d in malloc ../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:145:3 #1 0xa8bd09 in do_xmalloc wrapper.c:41:8 #2 0x5dbc34 in internal_prefix_pathspec builtin/mv.c:32:2 #3 0x5da4e4 in cmd_mv builtin/mv.c:148:11 #4 0x4ce83e in run_builtin git.c:475:11 #5 0x4ccafe in handle_builtin git.c:729:3 #6 0x4cb01c in run_argv git.c:818:4 #7 0x4cb01c in cmd_main git.c:949:19 #8 0x6bd9ad in main common-main.c:52:11 #9 0x7fbfeffc4349 in __libc_start_main (/lib64/libc.so.6+0x24349) Direct leak of 8 byte(s) in 1 object(s) allocated from: #0 0x49a9a2 in calloc ../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:154:3 #1 0xa8c119 in xcalloc wrapper.c:140:8 #2 0x5da585 in cmd_mv builtin/mv.c:159:22 #3 0x4ce83e in run_builtin git.c:475:11 #4 0x4ccafe in handle_builtin git.c:729:3 #5 0x4cb01c in run_argv git.c:818:4 #6 0x4cb01c in cmd_main git.c:949:19 #7 0x6bd9ad in main common-main.c:52:11 #8 0x7fbfeffc4349 in __libc_start_main (/lib64/libc.so.6+0x24349) Direct leak of 4 byte(s) in 1 object(s) allocated from: #0 0x49a9a2 in calloc ../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:154:3 #1 0xa8c119 in xcalloc wrapper.c:140:8 #2 0x5da4f8 in cmd_mv builtin/mv.c:149:10 #3 0x4ce83e in run_builtin git.c:475:11 #4 0x4ccafe in handle_builtin git.c:729:3 #5 0x4cb01c in run_argv git.c:818:4 #6 0x4cb01c in cmd_main git.c:949:19 #7 0x6bd9ad in main common-main.c:52:11 #8 0x7fbfeffc4349 in __libc_start_main (/lib64/libc.so.6+0x24349) Indirect leak of 65 byte(s) in 1 object(s) allocated from: #0 0x49ab49 in realloc ../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:164:3 #1 0xa8c015 in xrealloc wrapper.c:126:8 #2 0xa00226 in strbuf_grow strbuf.c:98:2 #3 0xa00226 in strbuf_vaddf strbuf.c:394:3 #4 0xa065c7 in xstrvfmt strbuf.c:981:2 #5 0xa065c7 in xstrfmt strbuf.c:991:8 #6 0x9e7ce7 in prefix_path_gently setup.c:115:15 #7 0x9e7fa6 in prefix_path setup.c:128:12 #8 0x5dbdbf in internal_prefix_pathspec builtin/mv.c:55:23 #9 0x5da575 in cmd_mv builtin/mv.c:158:14 #10 0x4ce83e in run_builtin git.c:475:11 #11 0x4ccafe in handle_builtin git.c:729:3 #12 0x4cb01c in run_argv git.c:818:4 #13 0x4cb01c in cmd_main git.c:949:19 #14 0x6bd9ad in main common-main.c:52:11 #15 0x7fbfeffc4349 in __libc_start_main (/lib64/libc.so.6+0x24349) Indirect leak of 65 byte(s) in 1 object(s) allocated from: #0 0x49ab49 in realloc ../projects/compiler-rt/lib/asan/asan_malloc_linux.cpp:164:3 #1 0xa8c015 in xrealloc wrapper.c:126:8 #2 0xa00226 in strbuf_grow strbuf.c:98:2 #3 0xa00226 in strbuf_vaddf strbuf.c:394:3 #4 0xa065c7 in xstrvfmt strbuf.c:981:2 #5 0xa065c7 in xstrfmt strbuf.c:991:8 #6 0x9e7ce7 in prefix_path_gently setup.c:115:15 #7 0x9e7fa6 in prefix_path setup.c:128:12 #8 0x5dbdbf in internal_prefix_pathspec builtin/mv.c:55:23 #9 0x5da4e4 in cmd_mv builtin/mv.c:148:11 #10 0x4ce83e in run_builtin git.c:475:11 #11 0x4ccafe in handle_builtin git.c:729:3 #12 0x4cb01c in run_argv git.c:818:4 #13 0x4cb01c in cmd_main git.c:949:19 #14 0x6bd9ad in main common-main.c:52:11 #15 0x7fbfeffc4349 in __libc_start_main (/lib64/libc.so.6+0x24349) SUMMARY: AddressSanitizer: 558 byte(s) leaked in 7 allocation(s). Signed-off-by: Andrzej Hunt --- builtin/mv.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/builtin/mv.c b/builtin/mv.c index 3fccdcb645..c2f96c8e89 100644 --- a/builtin/mv.c +++ b/builtin/mv.c @@ -303,5 +303,10 @@ int cmd_mv(int argc, const char **argv, const char *prefix) COMMIT_LOCK | SKIP_IF_UNCHANGED)) die(_("Unable to write new index file")); + string_list_clear(&src_for_dst, 0); + UNLEAK(source); + UNLEAK(dest_path); + free(submodule_gitfile); + free(modes); return 0; }