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 X-Spam-Level: X-Spam-Status: No, score=-10.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,USER_AGENT_GIT 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 045D1C433E1 for ; Fri, 21 Aug 2020 17:16:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D938320748 for ; Fri, 21 Aug 2020 17:16:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598030162; bh=duA5OZY/skQ/JAo3h/E2BEJCdypBbG0QAcMV7CMJLRU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=etrP2Dlbv0Fd269Gdk5b4HlmF5Bbd/lHzkyZj5ntrySDaaFXksdkQuEOjv7LbiTzx hABxdPj2pOxgWiMpIwA/9J+e/GJ6GoJWduItdyVv7r2FqVC6IEMFgRl3BBX69jbFFR tqQmeeY2esSanh2EyDU2pPsWe9sshJxHOcY/i7kY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728960AbgHURQC (ORCPT ); Fri, 21 Aug 2020 13:16:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:50022 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728093AbgHUQQh (ORCPT ); Fri, 21 Aug 2020 12:16:37 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E870D2224D; Fri, 21 Aug 2020 16:16:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598026596; bh=duA5OZY/skQ/JAo3h/E2BEJCdypBbG0QAcMV7CMJLRU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PuS6/muXchPKbdCrgCG/o3144LAZNA5Yb5J5yRJaEJYagsb58jfS7xvvgqgY3Bv7J kMafr1ZTrGRgdVKcHrvCjqRPFuJIW1HUxZedZG9r5SdgqIpjF6GEcZoj9L9oE6eGUi P1tjOBg50Sgodl9nHsLwYn8RMqUvh03xH7m8Ojug= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Peng Fan , Thomas Bogendoerfer , Sasha Levin , linux-mips@vger.kernel.org Subject: [PATCH AUTOSEL 5.7 40/61] mips/vdso: Fix resource leaks in genvdso.c Date: Fri, 21 Aug 2020 12:15:24 -0400 Message-Id: <20200821161545.347622-40-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200821161545.347622-1-sashal@kernel.org> References: <20200821161545.347622-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peng Fan [ Upstream commit a859647b4e6bfeb192284d27d24b6a0c914cae1d ] Close "fd" before the return of map_vdso() and close "out_file" in main(). Signed-off-by: Peng Fan Signed-off-by: Thomas Bogendoerfer Signed-off-by: Sasha Levin --- arch/mips/vdso/genvdso.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/mips/vdso/genvdso.c b/arch/mips/vdso/genvdso.c index be57b832bbe0a..ccba50ec8a40e 100644 --- a/arch/mips/vdso/genvdso.c +++ b/arch/mips/vdso/genvdso.c @@ -122,6 +122,7 @@ static void *map_vdso(const char *path, size_t *_size) if (fstat(fd, &stat) != 0) { fprintf(stderr, "%s: Failed to stat '%s': %s\n", program_name, path, strerror(errno)); + close(fd); return NULL; } @@ -130,6 +131,7 @@ static void *map_vdso(const char *path, size_t *_size) if (addr == MAP_FAILED) { fprintf(stderr, "%s: Failed to map '%s': %s\n", program_name, path, strerror(errno)); + close(fd); return NULL; } @@ -139,6 +141,7 @@ static void *map_vdso(const char *path, size_t *_size) if (memcmp(ehdr->e_ident, ELFMAG, SELFMAG) != 0) { fprintf(stderr, "%s: '%s' is not an ELF file\n", program_name, path); + close(fd); return NULL; } @@ -150,6 +153,7 @@ static void *map_vdso(const char *path, size_t *_size) default: fprintf(stderr, "%s: '%s' has invalid ELF class\n", program_name, path); + close(fd); return NULL; } @@ -161,6 +165,7 @@ static void *map_vdso(const char *path, size_t *_size) default: fprintf(stderr, "%s: '%s' has invalid ELF data order\n", program_name, path); + close(fd); return NULL; } @@ -168,15 +173,18 @@ static void *map_vdso(const char *path, size_t *_size) fprintf(stderr, "%s: '%s' has invalid ELF machine (expected EM_MIPS)\n", program_name, path); + close(fd); return NULL; } else if (swap_uint16(ehdr->e_type) != ET_DYN) { fprintf(stderr, "%s: '%s' has invalid ELF type (expected ET_DYN)\n", program_name, path); + close(fd); return NULL; } *_size = stat.st_size; + close(fd); return addr; } @@ -293,10 +301,12 @@ int main(int argc, char **argv) /* Calculate and write symbol offsets to */ if (!get_symbols(dbg_vdso_path, dbg_vdso)) { unlink(out_path); + fclose(out_file); return EXIT_FAILURE; } fprintf(out_file, "};\n"); + fclose(out_file); return EXIT_SUCCESS; } -- 2.25.1