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glibc: add 3 patches from upstream via Arch.

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This commit is contained in:
Juan RP 2012-09-18 13:50:37 +02:00
parent ef5d0d97a1
commit 3fd099e75a
6 changed files with 536 additions and 1 deletions
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3
srcpkgs/glibc/patches/glibc-2.15-fix-res_query-assert.patch
View file

@ -1,3 +1,6 @@
# fix res_query assertion
# http://sourceware.org/bugzilla/show_bug.cgi?id=13013
--- resolv/res_query.c
+++ resolv/res_query.c
@@ -122,6 +122,7 @@ __libc_res_nquery(res_state statp,

3
srcpkgs/glibc/patches/glibc-2.15-revert-c5a0802a.patch
View file

@ -1,3 +1,6 @@
# revert commit c5a0802a - causes various hangs
# https://bugzilla.redhat.com/show_bug.cgi?id=552960
--- nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S 2011-12-22 18:04:12.937212834 +0000
+++ nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S 2011-12-22 18:04:42.104222278 +0000
@@ -137,7 +137,6 @@ __pthread_cond_wait:

71
srcpkgs/glibc/patches/glibc-2.16-rpcgen-cpp-path.patch Normal file
View file

@ -0,0 +1,71 @@
prevent need for /lib/cpp symlink
http://sourceware.org/git/?p=glibc.git;a=commit;h=bf9b740a
diff --git a/sunrpc/rpc_main.c b/sunrpc/rpc_main.c
index 06d951a..2103b10 100644
--- sunrpc/rpc_main.c
+++ sunrpc/rpc_main.c
@@ -75,12 +75,9 @@ struct commandline
static const char *cmdname;
-#define SVR4_CPP "/usr/ccs/lib/cpp"
-#define SUNOS_CPP "/lib/cpp"
-
static const char *svcclosetime = "120";
static int cppDefined; /* explicit path for C preprocessor */
-static const char *CPP = SUNOS_CPP;
+static const char *CPP = "/lib/cpp";
static const char CPPFLAGS[] = "-C";
static char *pathbuf;
static int cpp_pid;
@@ -327,23 +324,17 @@ find_cpp (void)
{
struct stat buf;
- if (stat (CPP, &buf) < 0)
- { /* /lib/cpp or explicit cpp does not exist */
- if (cppDefined)
- {
- fprintf (stderr, _ ("cannot find C preprocessor: %s \n"), CPP);
- crash ();
- }
- else
- { /* try the other one */
- CPP = SVR4_CPP;
- if (stat (CPP, &buf) < 0)
- { /* can't find any cpp */
- fputs (_ ("cannot find any C preprocessor (cpp)\n"), stdout);
- crash ();
- }
- }
+ if (stat (CPP, &buf) == 0)
+ return;
+
+ if (cppDefined) /* user specified cpp but it does not exist */
+ {
+ fprintf (stderr, _ ("cannot find C preprocessor: %s\n"), CPP);
+ crash ();
}
+
+ /* fall back to system CPP */
+ CPP = "cpp";
}
/*
@@ -374,8 +365,13 @@ open_input (const char *infile, const char *define)
close (1);
dup2 (pd[1], 1);
close (pd[0]);
- execv (arglist[0], (char **) arglist);
- perror ("execv");
+ execvp (arglist[0], (char **) arglist);
+ if (errno == ENOENT)
+ {
+ fprintf (stderr, _ ("cannot find C preprocessor: %s\n"), CPP);
+ exit (1);
+ }
+ perror ("execvp");
exit (1);
case -1:
perror ("fork");

67
srcpkgs/glibc/patches/glibc-2.16-strncasecmp-segfault.patch Normal file
View file

@ -0,0 +1,67 @@
# strncasecmp segfault on i686
# http://sourceware.org/git/?p=glibc.git;a=commit;h=6db8f73
diff --git a/string/test-strncasecmp.c b/string/test-strncasecmp.c
index 6c17530..acfe668 100644
--- string/test-strncasecmp.c
+++ string/test-strncasecmp.c
@@ -1,5 +1,5 @@
/* Test and measure strncasecmp functions.
- Copyright (C) 1999, 2002, 2003, 2005, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1999-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Jakub Jelinek <jakub@redhat.com>, 1999.
@@ -251,9 +251,9 @@ do_random_tests (void)
}
}
-
+/* Regression test for BZ #12205 */
static void
-check1 (void)
+bz12205 (void)
{
static char cp [4096+16] __attribute__ ((aligned(4096)));
static char gotrel[4096] __attribute__ ((aligned(4096)));
@@ -270,6 +270,15 @@ check1 (void)
check_result (impl, s1, s2, n, exp_result);
}
+/* Regression test for BZ #14195 */
+static void
+bz14195 (void)
+{
+ const char *empty_string = "";
+ FOR_EACH_IMPL (impl, 0)
+ check_result (impl, empty_string, "", 5, 0);
+}
+
int
test_main (void)
{
@@ -277,7 +286,8 @@ test_main (void)
test_init ();
- check1 ();
+ bz12205 ();
+ bz14195 ();
printf ("%23s", "");
FOR_EACH_IMPL (impl, 0)
diff --git a/sysdeps/i386/i686/multiarch/strcmp-ssse3.S b/sysdeps/i386/i686/multiarch/strcmp-ssse3.S
index 5e6321e..9735ad0 100644
--- sysdeps/i386/i686/multiarch/strcmp-ssse3.S
+++ sysdeps/i386/i686/multiarch/strcmp-ssse3.S
@@ -2445,7 +2445,7 @@ L(less16bytes_sncmp):
# endif
jne L(neq_sncmp)
test %cl, %cl
- je L(eq)
+ je L(eq_sncmp)
cmp $1, REM
je L(eq_sncmp)
--
1.7.3.4

391
srcpkgs/glibc/patches/glibc-2.16-strtod-overflow.patch Normal file
View file

@ -0,0 +1,391 @@
# strtod integer/buffer overflow
# http://sourceware.org/git/?p=glibc.git;a=commit;h=da1f4319
diff --git a/stdlib/Makefile b/stdlib/Makefile
index f7811c5..79c9acb 100644
--- stdlib/Makefile
+++ stdlib/Makefile
@@ -68,7 +68,8 @@ tests := tst-strtol tst-strtod testmb testrand testsort testdiv \
tst-atof1 tst-atof2 tst-strtod2 tst-strtod3 tst-rand48-2 \
tst-makecontext tst-strtod4 tst-strtod5 tst-qsort2 \
tst-makecontext2 tst-strtod6 tst-unsetenv1 \
- tst-makecontext3 bug-getcontext bug-fmtmsg1
+ tst-makecontext3 bug-getcontext bug-fmtmsg1 \
+ tst-strtod-overflow
include ../Makeconfig
diff --git a/stdlib/strtod_l.c b/stdlib/strtod_l.c
index 2166a08..a8a7ea8 100644
--- stdlib/strtod_l.c
+++ stdlib/strtod_l.c
@@ -60,6 +60,7 @@ extern unsigned long long int ____strtoull_l_internal (const char *, char **,
#include <math.h>
#include <stdlib.h>
#include <string.h>
+#include <stdint.h>
/* The gmp headers need some configuration frobs. */
#define HAVE_ALLOCA 1
@@ -72,7 +73,6 @@ extern unsigned long long int ____strtoull_l_internal (const char *, char **,
#include "longlong.h"
#include "fpioconst.h"
-#define NDEBUG 1
#include <assert.h>
@@ -174,19 +174,19 @@ extern const mp_limb_t _tens_in_limb[MAX_DIG_PER_LIMB + 1];
/* Return a floating point number of the needed type according to the given
multi-precision number after possible rounding. */
static FLOAT
-round_and_return (mp_limb_t *retval, int exponent, int negative,
+round_and_return (mp_limb_t *retval, intmax_t exponent, int negative,
mp_limb_t round_limb, mp_size_t round_bit, int more_bits)
{
if (exponent < MIN_EXP - 1)
{
- mp_size_t shift = MIN_EXP - 1 - exponent;
-
- if (shift > MANT_DIG)
+ if (exponent < MIN_EXP - 1 - MANT_DIG)
{
__set_errno (ERANGE);
return 0.0;
}
+ mp_size_t shift = MIN_EXP - 1 - exponent;
+
more_bits |= (round_limb & ((((mp_limb_t) 1) << round_bit) - 1)) != 0;
if (shift == MANT_DIG)
/* This is a special case to handle the very seldom case where
@@ -233,6 +233,9 @@ round_and_return (mp_limb_t *retval, int exponent, int negative,
__set_errno (ERANGE);
}
+ if (exponent > MAX_EXP)
+ goto overflow;
+
if ((round_limb & (((mp_limb_t) 1) << round_bit)) != 0
&& (more_bits || (retval[0] & 1) != 0
|| (round_limb & ((((mp_limb_t) 1) << round_bit) - 1)) != 0))
@@ -258,6 +261,7 @@ round_and_return (mp_limb_t *retval, int exponent, int negative,
}
if (exponent > MAX_EXP)
+ overflow:
return negative ? -FLOAT_HUGE_VAL : FLOAT_HUGE_VAL;
return MPN2FLOAT (retval, exponent, negative);
@@ -271,7 +275,7 @@ round_and_return (mp_limb_t *retval, int exponent, int negative,
factor for the resulting number (see code) multiply by it. */
static const STRING_TYPE *
str_to_mpn (const STRING_TYPE *str, int digcnt, mp_limb_t *n, mp_size_t *nsize,
- int *exponent
+ intmax_t *exponent
#ifndef USE_WIDE_CHAR
, const char *decimal, size_t decimal_len, const char *thousands
#endif
@@ -301,6 +305,7 @@ str_to_mpn (const STRING_TYPE *str, int digcnt, mp_limb_t *n, mp_size_t *nsize,
cy += __mpn_add_1 (n, n, *nsize, low);
if (cy != 0)
{
+ assert (*nsize < MPNSIZE);
n[*nsize] = cy;
++(*nsize);
}
@@ -335,7 +340,7 @@ str_to_mpn (const STRING_TYPE *str, int digcnt, mp_limb_t *n, mp_size_t *nsize,
}
while (--digcnt > 0);
- if (*exponent > 0 && cnt + *exponent <= MAX_DIG_PER_LIMB)
+ if (*exponent > 0 && *exponent <= MAX_DIG_PER_LIMB - cnt)
{
low *= _tens_in_limb[*exponent];
start = _tens_in_limb[cnt + *exponent];
@@ -355,7 +360,10 @@ str_to_mpn (const STRING_TYPE *str, int digcnt, mp_limb_t *n, mp_size_t *nsize,
cy = __mpn_mul_1 (n, n, *nsize, start);
cy += __mpn_add_1 (n, n, *nsize, low);
if (cy != 0)
- n[(*nsize)++] = cy;
+ {
+ assert (*nsize < MPNSIZE);
+ n[(*nsize)++] = cy;
+ }
}
return str;
@@ -413,7 +421,7 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
{
int negative; /* The sign of the number. */
MPN_VAR (num); /* MP representation of the number. */
- int exponent; /* Exponent of the number. */
+ intmax_t exponent; /* Exponent of the number. */
/* Numbers starting `0X' or `0x' have to be processed with base 16. */
int base = 10;
@@ -435,7 +443,7 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
/* Points at the character following the integer and fractional digits. */
const STRING_TYPE *expp;
/* Total number of digit and number of digits in integer part. */
- int dig_no, int_no, lead_zero;
+ size_t dig_no, int_no, lead_zero;
/* Contains the last character read. */
CHAR_TYPE c;
@@ -767,7 +775,7 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
are all or any is really a fractional digit will be decided
later. */
int_no = dig_no;
- lead_zero = int_no == 0 ? -1 : 0;
+ lead_zero = int_no == 0 ? (size_t) -1 : 0;
/* Read the fractional digits. A special case are the 'american
style' numbers like `16.' i.e. with decimal point but without
@@ -789,12 +797,13 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
(base == 16 && ({ CHAR_TYPE lo = TOLOWER (c);
lo >= L_('a') && lo <= L_('f'); })))
{
- if (c != L_('0') && lead_zero == -1)
+ if (c != L_('0') && lead_zero == (size_t) -1)
lead_zero = dig_no - int_no;
++dig_no;
c = *++cp;
}
}
+ assert (dig_no <= (uintmax_t) INTMAX_MAX);
/* Remember start of exponent (if any). */
expp = cp;
@@ -817,24 +826,80 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
if (c >= L_('0') && c <= L_('9'))
{
- int exp_limit;
+ intmax_t exp_limit;
/* Get the exponent limit. */
if (base == 16)
- exp_limit = (exp_negative ?
- -MIN_EXP + MANT_DIG + 4 * int_no :
- MAX_EXP - 4 * int_no + 4 * lead_zero + 3);
+ {
+ if (exp_negative)
+ {
+ assert (int_no <= (uintmax_t) (INTMAX_MAX
+ + MIN_EXP - MANT_DIG) / 4);
+ exp_limit = -MIN_EXP + MANT_DIG + 4 * (intmax_t) int_no;
+ }
+ else
+ {
+ if (int_no)
+ {
+ assert (lead_zero == 0
+ && int_no <= (uintmax_t) INTMAX_MAX / 4);
+ exp_limit = MAX_EXP - 4 * (intmax_t) int_no + 3;
+ }
+ else if (lead_zero == (size_t) -1)
+ {
+ /* The number is zero and this limit is
+ arbitrary. */
+ exp_limit = MAX_EXP + 3;
+ }
+ else
+ {
+ assert (lead_zero
+ <= (uintmax_t) (INTMAX_MAX - MAX_EXP - 3) / 4);
+ exp_limit = (MAX_EXP
+ + 4 * (intmax_t) lead_zero
+ + 3);
+ }
+ }
+ }
else
- exp_limit = (exp_negative ?
- -MIN_10_EXP + MANT_DIG + int_no :
- MAX_10_EXP - int_no + lead_zero + 1);
+ {
+ if (exp_negative)
+ {
+ assert (int_no
+ <= (uintmax_t) (INTMAX_MAX + MIN_10_EXP - MANT_DIG));
+ exp_limit = -MIN_10_EXP + MANT_DIG + (intmax_t) int_no;
+ }
+ else
+ {
+ if (int_no)
+ {
+ assert (lead_zero == 0
+ && int_no <= (uintmax_t) INTMAX_MAX);
+ exp_limit = MAX_10_EXP - (intmax_t) int_no + 1;
+ }
+ else if (lead_zero == (size_t) -1)
+ {
+ /* The number is zero and this limit is
+ arbitrary. */
+ exp_limit = MAX_10_EXP + 1;
+ }
+ else
+ {
+ assert (lead_zero
+ <= (uintmax_t) (INTMAX_MAX - MAX_10_EXP - 1));
+ exp_limit = MAX_10_EXP + (intmax_t) lead_zero + 1;
+ }
+ }
+ }
+
+ if (exp_limit < 0)
+ exp_limit = 0;
do
{
- exponent *= 10;
- exponent += c - L_('0');
-
- if (__builtin_expect (exponent > exp_limit, 0))
+ if (__builtin_expect ((exponent > exp_limit / 10
+ || (exponent == exp_limit / 10
+ && c - L_('0') > exp_limit % 10)), 0))
/* The exponent is too large/small to represent a valid
number. */
{
@@ -843,7 +908,7 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
/* We have to take care for special situation: a joker
might have written "0.0e100000" which is in fact
zero. */
- if (lead_zero == -1)
+ if (lead_zero == (size_t) -1)
result = negative ? -0.0 : 0.0;
else
{
@@ -862,6 +927,9 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
/* NOTREACHED */
}
+ exponent *= 10;
+ exponent += c - L_('0');
+
c = *++cp;
}
while (c >= L_('0') && c <= L_('9'));
@@ -930,7 +998,14 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
}
#endif
startp += lead_zero + decimal_len;
- exponent -= base == 16 ? 4 * lead_zero : lead_zero;
+ assert (lead_zero <= (base == 16
+ ? (uintmax_t) INTMAX_MAX / 4
+ : (uintmax_t) INTMAX_MAX));
+ assert (lead_zero <= (base == 16
+ ? ((uintmax_t) exponent
+ - (uintmax_t) INTMAX_MIN) / 4
+ : ((uintmax_t) exponent - (uintmax_t) INTMAX_MIN)));
+ exponent -= base == 16 ? 4 * (intmax_t) lead_zero : (intmax_t) lead_zero;
dig_no -= lead_zero;
}
@@ -972,7 +1047,10 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
}
/* Adjust the exponent for the bits we are shifting in. */
- exponent += bits - 1 + (int_no - 1) * 4;
+ assert (int_no <= (uintmax_t) (exponent < 0
+ ? (INTMAX_MAX - bits + 1) / 4
+ : (INTMAX_MAX - exponent - bits + 1) / 4));
+ exponent += bits - 1 + ((intmax_t) int_no - 1) * 4;
while (--dig_no > 0 && idx >= 0)
{
@@ -1024,13 +1102,15 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
really integer digits or belong to the fractional part; i.e. we normalize
123e-2 to 1.23. */
{
- register int incr = (exponent < 0 ? MAX (-int_no, exponent)
- : MIN (dig_no - int_no, exponent));
+ register intmax_t incr = (exponent < 0
+ ? MAX (-(intmax_t) int_no, exponent)
+ : MIN ((intmax_t) dig_no - (intmax_t) int_no,
+ exponent));
int_no += incr;
exponent -= incr;
}
- if (__builtin_expect (int_no + exponent > MAX_10_EXP + 1, 0))
+ if (__builtin_expect (exponent > MAX_10_EXP + 1 - (intmax_t) int_no, 0))
{
__set_errno (ERANGE);
return negative ? -FLOAT_HUGE_VAL : FLOAT_HUGE_VAL;
@@ -1215,7 +1295,7 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
digits we should have enough bits for the result. The remaining
decimal digits give us the information that more bits are following.
This can be used while rounding. (Two added as a safety margin.) */
- if (dig_no - int_no > (MANT_DIG - bits + 2) / 3 + 2)
+ if ((intmax_t) dig_no > (intmax_t) int_no + (MANT_DIG - bits + 2) / 3 + 2)
{
dig_no = int_no + (MANT_DIG - bits + 2) / 3 + 2;
more_bits = 1;
@@ -1223,7 +1303,7 @@ ____STRTOF_INTERNAL (nptr, endptr, group, loc)
else
more_bits = 0;
- neg_exp = dig_no - int_no - exponent;
+ neg_exp = (intmax_t) dig_no - (intmax_t) int_no - exponent;
/* Construct the denominator. */
densize = 0;
diff --git a/stdlib/tst-strtod-overflow.c b/stdlib/tst-strtod-overflow.c
new file mode 100644
index 0000000..668d55b
--- /dev/null
+++ stdlib/tst-strtod-overflow.c
@@ -0,0 +1,48 @@
+/* Test for integer/buffer overflow in strtod.
+ Copyright (C) 2012 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/>. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define EXPONENT "e-2147483649"
+#define SIZE 214748364
+
+static int
+do_test (void)
+{
+ char *p = malloc (1 + SIZE + sizeof (EXPONENT));
+ if (p == NULL)
+ {
+ puts ("malloc failed, cannot test for overflow");
+ return 0;
+ }
+ p[0] = '1';
+ memset (p + 1, '0', SIZE);
+ memcpy (p + 1 + SIZE, EXPONENT, sizeof (EXPONENT));
+ double d = strtod (p, NULL);
+ if (d != 0)
+ {
+ printf ("strtod returned wrong value: %a\n", d);
+ return 1;
+ }
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
--
1.7.3.4

2
srcpkgs/glibc/template
View file

@ -2,7 +2,7 @@
pkgname=glibc
_majorver=2.16
version=${_majorver}.0
revision=7
revision=8
short_desc="The GNU C library"
maintainer="Juan RP <xtraeme@gmail.com>"
homepage="http://www.gnu.org/software/libc"