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core/glibc to 2.17-5

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This commit is contained in:
Kevin Mihelich 2013-04-11 00:51:12 +00:00
parent 2e8f84bac7
commit 63cb27a4ef
3 changed files with 198 additions and 3 deletions
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17
core/glibc/PKGBUILD
View file

@ -14,7 +14,7 @@ noautobuild=1
pkgname=glibc
pkgver=2.17
pkgrel=4
pkgrel=5
pkgdesc="GNU C Library"
arch=('i686' 'x86_64')
url="http://www.gnu.org/software/libc"
@ -29,6 +29,8 @@ options=('!strip' '!distcc')
install=glibc.install
source=(http://ftp.gnu.org/gnu/libc/${pkgname}-${pkgver}.tar.xz{,.sig}
glibc-2.17-sync-with-linux37.patch
glibc-2.17-getaddrinfo-stack-overflow.patch
glibc-2.17-regexp-matcher-overrun.patch
local-soname-hack.diff
fix-hf-ld.so.cache.patch
nscd.service
@ -36,7 +38,10 @@ source=(http://ftp.gnu.org/gnu/libc/${pkgname}-${pkgver}.tar.xz{,.sig}
locale.gen.txt
locale-gen)
md5sums=('87bf675c8ee523ebda4803e8e1cec638'
'SKIP'
'fb99380d94598cc76d793deebf630022'
'56d5f2c09503a348281a20ae404b7de3'
'200acc05961b084ee00dde919e64f82d'
'589d79041aa767a5179eaa4e2737dd3f'
'ad8a9af15ab7eeaa23dc7ee85024af9f'
'bccbe5619e75cf1d97312ec3681c605c'
@ -49,6 +54,12 @@ build() {
# combination of upstream commits 318cd0b, b540704 and fc1abbe
patch -p1 -i ${srcdir}/glibc-2.17-sync-with-linux37.patch
# CVE-2013-1914 - upstream commit 1cef1b19
patch -p1 -i ${srcdir}/glibc-2.17-getaddrinfo-stack-overflow.patch
# CVE-2013-0242 - upstream commit a445af0b
patch -p1 -i ${srcdir}/glibc-2.17-regexp-matcher-overrun.patch
# ALARM: patch for hard-float ld-linux soname
if [[ $CARCH == "armv6h" || $CARCH == "armv7h" ]]; then
patch -p1 -i ${srcdir}/local-soname-hack.diff
@ -72,9 +83,9 @@ build() {
echo "slibdir=/usr/lib" >> configparms
# remove hardening options from CFLAGS for building libraries
# remove hardening options for building libraries
CFLAGS=${CFLAGS/-fstack-protector/}
CFLAGS=${CFLAGS/-D_FORTIFY_SOURCE=2/}
CPPFLAGS=${CPPFLAGS/-D_FORTIFY_SOURCE=2/}
${srcdir}/${pkgname}-${pkgver}/configure --prefix=/usr \
--libdir=/usr/lib --libexecdir=/usr/lib \

47
core/glibc/glibc-2.17-getaddrinfo-stack-overflow.patch Normal file
View file

@ -0,0 +1,47 @@
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index d95c2d1..2309281 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -2489,11 +2489,27 @@ getaddrinfo (const char *name, const char *service,
__typeof (once) old_once = once;
__libc_once (once, gaiconf_init);
/* Sort results according to RFC 3484. */
- struct sort_result results[nresults];
- size_t order[nresults];
+ struct sort_result *results;
+ size_t *order;
struct addrinfo *q;
struct addrinfo *last = NULL;
char *canonname = NULL;
+ bool malloc_results;
+
+ malloc_results
+ = !__libc_use_alloca (nresults * (sizeof (*results) + sizeof (size_t)));
+ if (malloc_results)
+ {
+ results = malloc (nresults * (sizeof (*results) + sizeof (size_t)));
+ if (results == NULL)
+ {
+ __free_in6ai (in6ai);
+ return EAI_MEMORY;
+ }
+ }
+ else
+ results = alloca (nresults * (sizeof (*results) + sizeof (size_t)));
+ order = (size_t *) (results + nresults);
/* Now we definitely need the interface information. */
if (! check_pf_called)
@@ -2664,6 +2680,9 @@ getaddrinfo (const char *name, const char *service,
/* Fill in the canonical name into the new first entry. */
p->ai_canonname = canonname;
+
+ if (malloc_results)
+ free (results);
}
__free_in6ai (in6ai);
--
1.7.1

137
core/glibc/glibc-2.17-regexp-matcher-overrun.patch Normal file
View file

@ -0,0 +1,137 @@
diff --git a/posix/Makefile b/posix/Makefile
index 88d409f..2cacd21 100644
--- a/posix/Makefile
+++ b/posix/Makefile
@@ -86,7 +86,7 @@ tests := tstgetopt testfnm runtests runptests \
tst-rfc3484-3 \
tst-getaddrinfo3 tst-fnmatch2 tst-cpucount tst-cpuset \
bug-getopt1 bug-getopt2 bug-getopt3 bug-getopt4 \
- bug-getopt5 tst-getopt_long1
+ bug-getopt5 tst-getopt_long1 bug-regex34
xtests := bug-ga2
ifeq (yes,$(build-shared))
test-srcs := globtest
@@ -199,5 +199,6 @@ bug-regex26-ENV = LOCPATH=$(common-objpfx)localedata
bug-regex30-ENV = LOCPATH=$(common-objpfx)localedata
bug-regex32-ENV = LOCPATH=$(common-objpfx)localedata
bug-regex33-ENV = LOCPATH=$(common-objpfx)localedata
+bug-regex34-ENV = LOCPATH=$(common-objpfx)localedata
tst-rxspencer-ARGS = --utf8 rxspencer/tests
tst-rxspencer-ENV = LOCPATH=$(common-objpfx)localedata
diff --git a/posix/bug-regex34.c b/posix/bug-regex34.c
new file mode 100644
index 0000000..bb3b613
--- /dev/null
+++ b/posix/bug-regex34.c
@@ -0,0 +1,46 @@
+/* Test re_search with multi-byte characters in UTF-8.
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define _GNU_SOURCE 1
+#include <stdio.h>
+#include <string.h>
+#include <locale.h>
+#include <regex.h>
+
+static int
+do_test (void)
+{
+ struct re_pattern_buffer r;
+ /* ကျွန်ုပ်x */
+ const char *s = "\xe1\x80\x80\xe1\x80\xbb\xe1\x80\xbd\xe1\x80\x94\xe1\x80\xba\xe1\x80\xaf\xe1\x80\x95\xe1\x80\xbax";
+
+ if (setlocale (LC_ALL, "en_US.UTF-8") == NULL)
+ {
+ puts ("setlocale failed");
+ return 1;
+ }
+ memset (&r, 0, sizeof (r));
+
+ re_compile_pattern ("[^x]x", 5, &r);
+ /* This was triggering a buffer overflow. */
+ re_search (&r, s, strlen (s), 0, strlen (s), 0);
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/posix/regexec.c b/posix/regexec.c
index 7f2de85..5ca2bf6 100644
--- a/posix/regexec.c
+++ b/posix/regexec.c
@@ -197,7 +197,7 @@ static int group_nodes_into_DFAstates (const re_dfa_t *dfa,
static int check_node_accept (const re_match_context_t *mctx,
const re_token_t *node, int idx)
internal_function;
-static reg_errcode_t extend_buffers (re_match_context_t *mctx)
+static reg_errcode_t extend_buffers (re_match_context_t *mctx, int min_len)
internal_function;
/* Entry point for POSIX code. */
@@ -1160,7 +1160,7 @@ check_matching (re_match_context_t *mctx, int fl_longest_match,
|| (BE (next_char_idx >= mctx->input.valid_len, 0)
&& mctx->input.valid_len < mctx->input.len))
{
- err = extend_buffers (mctx);
+ err = extend_buffers (mctx, next_char_idx + 1);
if (BE (err != REG_NOERROR, 0))
{
assert (err == REG_ESPACE);
@@ -1738,7 +1738,7 @@ clean_state_log_if_needed (re_match_context_t *mctx, int next_state_log_idx)
&& mctx->input.valid_len < mctx->input.len))
{
reg_errcode_t err;
- err = extend_buffers (mctx);
+ err = extend_buffers (mctx, next_state_log_idx + 1);
if (BE (err != REG_NOERROR, 0))
return err;
}
@@ -2792,7 +2792,7 @@ get_subexp (re_match_context_t *mctx, int bkref_node, int bkref_str_idx)
if (bkref_str_off >= mctx->input.len)
break;
- err = extend_buffers (mctx);
+ err = extend_buffers (mctx, bkref_str_off + 1);
if (BE (err != REG_NOERROR, 0))
return err;
@@ -4102,7 +4102,7 @@ check_node_accept (const re_match_context_t *mctx, const re_token_t *node,
static reg_errcode_t
internal_function __attribute_warn_unused_result__
-extend_buffers (re_match_context_t *mctx)
+extend_buffers (re_match_context_t *mctx, int min_len)
{
reg_errcode_t ret;
re_string_t *pstr = &mctx->input;
@@ -4111,8 +4111,10 @@ extend_buffers (re_match_context_t *mctx)
if (BE (INT_MAX / 2 / sizeof (re_dfastate_t *) <= pstr->bufs_len, 0))
return REG_ESPACE;
- /* Double the lengthes of the buffers. */
- ret = re_string_realloc_buffers (pstr, MIN (pstr->len, pstr->bufs_len * 2));
+ /* Double the lengthes of the buffers, but allocate at least MIN_LEN. */
+ ret = re_string_realloc_buffers (pstr,
+ MAX (min_len,
+ MIN (pstr->len, pstr->bufs_len * 2)));
if (BE (ret != REG_NOERROR, 0))
return ret;
--
1.7.1