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4b616f06c1
Add 'm4-biarch.m4-tweak-AC_RUN_IFELSE-for-cross-compiling.patch' to fix cross compiling failure; Rebase 'elf_additions.diff' for 0.158; Drop obsolete patches: - nm-Fix-size-passed-to-snprintf-for-invalid-sh_name-case.patch - elfutils-ar-c-fix-num-passed-to-memset.patch - fix-build-gcc-4.8.patch Pick patches from debian: http://ftp.de.debian.org/debian/pool/main/e/elfutils/elfutils_0.158-2.debian.tar.xz We could not directly add elfutils_0.158-2.debian.tar.xz to SRC_URI, because it contains other souce codes which are not pathces. (From OE-Core rev: d9c7a02240ce37d5b2569d9177e8ba534b9295ce) Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> Signed-off-by: Saul Wold <sgw@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
36 lines
1.3 KiB
Diff
36 lines
1.3 KiB
Diff
From 7f1eec317db79627b473c5b149a22a1b20d1f68f Mon Sep 17 00:00:00 2001
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From: Mark Wielaard <mjw@redhat.com>
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Date: Wed, 9 Apr 2014 11:33:23 +0200
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Subject: [PATCH] CVE-2014-0172 Check for overflow before calling malloc to
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uncompress data.
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https://bugzilla.redhat.com/show_bug.cgi?id=1085663
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Reported-by: Florian Weimer <fweimer@redhat.com>
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Signed-off-by: Mark Wielaard <mjw@redhat.com>
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Index: elfutils-0.158/libdw/dwarf_begin_elf.c
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===================================================================
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--- elfutils-0.158.orig/libdw/dwarf_begin_elf.c 2014-05-01 17:10:01.928213292 +0000
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+++ elfutils-0.158/libdw/dwarf_begin_elf.c 2014-05-01 17:10:01.924213375 +0000
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@@ -1,5 +1,5 @@
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/* Create descriptor from ELF descriptor for processing file.
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- Copyright (C) 2002-2011 Red Hat, Inc.
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+ Copyright (C) 2002-2011, 2014 Red Hat, Inc.
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This file is part of elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 2002.
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@@ -289,6 +289,12 @@
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memcpy (&size, data->d_buf + 4, sizeof size);
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size = be64toh (size);
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+ /* Check for unsigned overflow so malloc always allocated
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+ enough memory for both the Elf_Data header and the
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+ uncompressed section data. */
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+ if (unlikely (sizeof (Elf_Data) + size < size))
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+ break;
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+
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Elf_Data *zdata = malloc (sizeof (Elf_Data) + size);
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if (unlikely (zdata == NULL))
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break;
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