glibc: enable lock elision[1]; sync patches with Arch[2].

[1] https://sourceware.org/glibc/wiki/LockElisionGuide
[2] Misc patches for some CVEs.

srcpkgs/glibc/patches/glibc-2.18-getaddrinfo-CVE-2013-4458.patch

@@ -0,0 +1,41 @@
+diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
+index e6ce4cf..8ff74b4 100644
+--- a/sysdeps/posix/getaddrinfo.c
++++ b/sysdeps/posix/getaddrinfo.c
+@@ -197,7 +197,22 @@ gaih_inet_serv (const char *servicename, const struct gaih_typeproto *tp,
+ 				&rc, &herrno, NULL, &localcanon));	      \
+     if (rc != ERANGE || herrno != NETDB_INTERNAL)			      \
+       break;								      \
+-    tmpbuf = extend_alloca (tmpbuf, tmpbuflen, 2 * tmpbuflen);		      \
++    if (!malloc_tmpbuf && __libc_use_alloca (alloca_used + 2 * tmpbuflen))    \
++      tmpbuf = extend_alloca_account (tmpbuf, tmpbuflen, 2 * tmpbuflen,	      \
++				      alloca_used);			      \
++    else								      \
++      {									      \
++	char *newp = realloc (malloc_tmpbuf ? tmpbuf : NULL,		      \
++			      2 * tmpbuflen);				      \
++	if (newp == NULL)						      \
++	  {								      \
++	    result = -EAI_MEMORY;					      \
++	    goto free_and_return;					      \
++	  }								      \
++	tmpbuf = newp;							      \
++	malloc_tmpbuf = true;						      \
++	tmpbuflen = 2 * tmpbuflen;					      \
++      }									      \
+   }									      \
+   if (status == NSS_STATUS_SUCCESS && rc == 0)				      \
+     h = &th;								      \
+@@ -209,7 +224,8 @@ gaih_inet_serv (const char *servicename, const struct gaih_typeproto *tp,
+ 	{								      \
+ 	  __set_h_errno (herrno);					      \
+ 	  _res.options |= old_res_options & RES_USE_INET6;		      \
+-	  return -EAI_SYSTEM;						      \
++	  result = -EAI_SYSTEM;						      \
++	  goto free_and_return;						      \
+ 	}								      \
+       if (herrno == TRY_AGAIN)						      \
+ 	no_data = EAI_AGAIN;						      \
+-- 
+1.8.4.1
+

srcpkgs/glibc/patches/glibc-2.18-getaddrinfo-assertion.patch

@@ -0,0 +1,39 @@
+diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
+index 0f4b885..e6ce4cf 100644
+--- a/sysdeps/posix/getaddrinfo.c
++++ b/sysdeps/posix/getaddrinfo.c
+@@ -1666,13 +1666,13 @@ rfc3484_sort (const void *p1, const void *p2, void *arg)
+ 
+ 	      /* Fill in the results in all the records.  */
+ 	      for (int i = 0; i < src->nresults; ++i)
+-		if (src->results[i].index == a1_index)
++		if (a1_index != -1 && src->results[i].index == a1_index)
+ 		  {
+ 		    assert (src->results[i].native == -1
+ 			    || src->results[i].native == a1_native);
+ 		    src->results[i].native = a1_native;
+ 		  }
+-		else if (src->results[i].index == a2_index)
++		else if (a2_index != -1 && src->results[i].index == a2_index)
+ 		  {
+ 		    assert (src->results[i].native == -1
+ 			    || src->results[i].native == a2_native);
+@@ -2532,7 +2532,14 @@ getaddrinfo (const char *name, const char *service,
+ 			  tmp.addr[0] = 0;
+ 			  tmp.addr[1] = 0;
+ 			  tmp.addr[2] = htonl (0xffff);
+-			  tmp.addr[3] = sinp->sin_addr.s_addr;
++			  /* Special case for lo interface, the source address
++			     being possibly different than the interface
++			     address. */
++			  if ((ntohl(sinp->sin_addr.s_addr) & 0xff000000)
++			      == 0x7f000000)
++			    tmp.addr[3] = htonl(0x7f000001);
++			  else
++			    tmp.addr[3] = sinp->sin_addr.s_addr;
+ 			}
+ 		      else
+ 			{
+-- 
+1.8.4.1
+

srcpkgs/glibc/patches/glibc-2.18-malloc-corrupt-CVE-2013-4332.patch

@@ -0,0 +1,54 @@
+diff --git a/malloc/malloc.c b/malloc/malloc.c
+index dd295f5..7f43ba3 100644
+--- a/malloc/malloc.c
++++ b/malloc/malloc.c
+@@ -3082,6 +3082,13 @@ __libc_pvalloc(size_t bytes)
+   size_t page_mask = GLRO(dl_pagesize) - 1;
+   size_t rounded_bytes = (bytes + page_mask) & ~(page_mask);
+ 
++  /* Check for overflow.  */
++  if (bytes > SIZE_MAX - 2*pagesz - MINSIZE)
++    {
++      __set_errno (ENOMEM);
++      return 0;
++    }
++
+   void *(*hook) (size_t, size_t, const void *) =
+     force_reg (__memalign_hook);
+   if (__builtin_expect (hook != NULL, 0))
+diff --git a/malloc/malloc.c b/malloc/malloc.c
+index 7f43ba3..3148c5f 100644
+--- a/malloc/malloc.c
++++ b/malloc/malloc.c
+@@ -3046,6 +3046,13 @@ __libc_valloc(size_t bytes)
+ 
+   size_t pagesz = GLRO(dl_pagesize);
+ 
++  /* Check for overflow.  */
++  if (bytes > SIZE_MAX - pagesz - MINSIZE)
++    {
++      __set_errno (ENOMEM);
++      return 0;
++    }
++
+   void *(*hook) (size_t, size_t, const void *) =
+     force_reg (__memalign_hook);
+   if (__builtin_expect (hook != NULL, 0))
+diff --git a/malloc/malloc.c b/malloc/malloc.c
+index 3148c5f..f7718a9 100644
+--- a/malloc/malloc.c
++++ b/malloc/malloc.c
+@@ -3015,6 +3015,13 @@ __libc_memalign(size_t alignment, size_t bytes)
+   /* Otherwise, ensure that it is at least a minimum chunk size */
+   if (alignment <  MINSIZE) alignment = MINSIZE;
+ 
++  /* Check for overflow.  */
++  if (bytes > SIZE_MAX - alignment - MINSIZE)
++    {
++      __set_errno (ENOMEM);
++      return 0;
++    }
++
+   arena_get(ar_ptr, bytes + alignment + MINSIZE);
+   if(!ar_ptr)
+     return 0;

srcpkgs/glibc/patches/glibc-2.18-ptr-mangle-CVE-2013-4788.patch

@@ -0,0 +1,485 @@
+diff --git a/csu/libc-start.c b/csu/libc-start.c
+index e5da3ef..c898d06 100644
+--- a/csu/libc-start.c
++++ b/csu/libc-start.c
+@@ -37,6 +37,12 @@ extern void __pthread_initialize_minimal (void);
+    in thread local area.  */
+ uintptr_t __stack_chk_guard attribute_relro;
+ # endif
++# ifndef  THREAD_SET_POINTER_GUARD
++/* Only exported for architectures that don't store the pointer guard
++   value in thread local area.  */
++uintptr_t __pointer_chk_guard_local
++	attribute_relro attribute_hidden __attribute__ ((nocommon));
++# endif
+ #endif
+ 
+ #ifdef HAVE_PTR_NTHREADS
+@@ -195,6 +201,16 @@ LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL),
+ # else
+   __stack_chk_guard = stack_chk_guard;
+ # endif
++
++  /* Set up the pointer guard value.  */
++  uintptr_t pointer_chk_guard = _dl_setup_pointer_guard (_dl_random,
++							 stack_chk_guard);
++# ifdef THREAD_SET_POINTER_GUARD
++  THREAD_SET_POINTER_GUARD (pointer_chk_guard);
++# else
++  __pointer_chk_guard_local = pointer_chk_guard;
++# endif
++
+ #endif
+ 
+   /* Register the destructor of the dynamic linker if there is any.  */
+diff --git a/elf/Makefile b/elf/Makefile
+index aaa9534..cb8da93 100644
+--- a/elf/Makefile
++++ b/elf/Makefile
+@@ -121,7 +121,8 @@ endif
+ tests = tst-tls1 tst-tls2 tst-tls9 tst-leaks1 \
+ 	tst-array1 tst-array2 tst-array3 tst-array4 tst-array5
+ tests-static = tst-tls1-static tst-tls2-static tst-stackguard1-static \
+-	       tst-leaks1-static tst-array1-static tst-array5-static
++	       tst-leaks1-static tst-array1-static tst-array5-static \
++	       tst-ptrguard1-static
+ ifeq (yes,$(build-shared))
+ tests-static += tst-tls9-static
+ tst-tls9-static-ENV = \
+@@ -145,7 +146,8 @@ tests += loadtest restest1 preloadtest loadfail multiload origtest resolvfail \
+ 	 tst-audit1 tst-audit2 tst-audit8 \
+ 	 tst-stackguard1 tst-addr1 tst-thrlock \
+ 	 tst-unique1 tst-unique2 tst-unique3 tst-unique4 \
+-	 tst-initorder tst-initorder2 tst-relsort1 tst-null-argv
++	 tst-initorder tst-initorder2 tst-relsort1 tst-null-argv \
++	 tst-ptrguard1
+ #	 reldep9
+ test-srcs = tst-pathopt
+ selinux-enabled := $(shell cat /selinux/enforce 2> /dev/null)
+@@ -1016,6 +1018,9 @@ LDFLAGS-order2mod2.so = $(no-as-needed)
+ tst-stackguard1-ARGS = --command "$(host-test-program-cmd) --child"
+ tst-stackguard1-static-ARGS = --command "$(objpfx)tst-stackguard1-static --child"
+ 
++tst-ptrguard1-ARGS = --command "$(host-test-program-cmd) --child"
++tst-ptrguard1-static-ARGS = --command "$(objpfx)tst-ptrguard1-static --child"
++
+ $(objpfx)tst-leaks1: $(libdl)
+ $(objpfx)tst-leaks1-mem: $(objpfx)tst-leaks1.out
+ 	$(common-objpfx)malloc/mtrace $(objpfx)tst-leaks1.mtrace > $@
+diff --git a/elf/tst-ptrguard1-static.c b/elf/tst-ptrguard1-static.c
+new file mode 100644
+index 0000000..7aff3b7
+--- /dev/null
++++ b/elf/tst-ptrguard1-static.c
+@@ -0,0 +1 @@
++#include "tst-ptrguard1.c"
+diff --git a/elf/tst-ptrguard1.c b/elf/tst-ptrguard1.c
+new file mode 100644
+index 0000000..c344a04
+--- /dev/null
++++ b/elf/tst-ptrguard1.c
+@@ -0,0 +1,202 @@
++/* 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/>.  */
++
++#include <errno.h>
++#include <stdbool.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <string.h>
++#include <sys/wait.h>
++#include <stackguard-macros.h>
++#include <tls.h>
++#include <unistd.h>
++
++#ifndef POINTER_CHK_GUARD
++extern uintptr_t __pointer_chk_guard;
++# define POINTER_CHK_GUARD __pointer_chk_guard
++#endif
++
++static const char *command;
++static bool child;
++static uintptr_t ptr_chk_guard_copy;
++static bool ptr_chk_guard_copy_set;
++static int fds[2];
++
++static void __attribute__ ((constructor))
++con (void)
++{
++  ptr_chk_guard_copy = POINTER_CHK_GUARD;
++  ptr_chk_guard_copy_set = true;
++}
++
++static int
++uintptr_t_cmp (const void *a, const void *b)
++{
++  if (*(uintptr_t *) a < *(uintptr_t *) b)
++    return 1;
++  if (*(uintptr_t *) a > *(uintptr_t *) b)
++    return -1;
++  return 0;
++}
++
++static int
++do_test (void)
++{
++  if (!ptr_chk_guard_copy_set)
++    {
++      puts ("constructor has not been run");
++      return 1;
++    }
++
++  if (ptr_chk_guard_copy != POINTER_CHK_GUARD)
++    {
++      puts ("POINTER_CHK_GUARD changed between constructor and do_test");
++      return 1;
++    }
++
++  if (child)
++    {
++      write (2, &ptr_chk_guard_copy, sizeof (ptr_chk_guard_copy));
++      return 0;
++    }
++
++  if (command == NULL)
++    {
++      puts ("missing --command or --child argument");
++      return 1;
++    }
++
++#define N 16
++  uintptr_t child_ptr_chk_guards[N + 1];
++  child_ptr_chk_guards[N] = ptr_chk_guard_copy;
++  int i;
++  for (i = 0; i < N; ++i)
++    {
++      if (pipe (fds) < 0)
++	{
++	  printf ("couldn't create pipe: %m\n");
++	  return 1;
++	}
++
++      pid_t pid = fork ();
++      if (pid < 0)
++	{
++	  printf ("fork failed: %m\n");
++	  return 1;
++	}
++
++      if (!pid)
++	{
++	  if (ptr_chk_guard_copy != POINTER_CHK_GUARD)
++	    {
++	      puts ("POINTER_CHK_GUARD changed after fork");
++	      exit (1);
++	    }
++
++	  close (fds[0]);
++	  close (2);
++	  dup2 (fds[1], 2);
++	  close (fds[1]);
++
++	  system (command);
++	  exit (0);
++	}
++
++      close (fds[1]);
++
++      if (TEMP_FAILURE_RETRY (read (fds[0], &child_ptr_chk_guards[i],
++				    sizeof (uintptr_t))) != sizeof (uintptr_t))
++	{
++	  puts ("could not read ptr_chk_guard value from child");
++	  return 1;
++	}
++
++      close (fds[0]);
++
++      pid_t termpid;
++      int status;
++      termpid = TEMP_FAILURE_RETRY (waitpid (pid, &status, 0));
++      if (termpid == -1)
++	{
++	  printf ("waitpid failed: %m\n");
++	  return 1;
++	}
++      else if (termpid != pid)
++	{
++	  printf ("waitpid returned %ld != %ld\n",
++		  (long int) termpid, (long int) pid);
++	  return 1;
++	}
++      else if (!WIFEXITED (status) || WEXITSTATUS (status))
++	{
++	  puts ("child hasn't exited with exit status 0");
++	  return 1;
++	}
++    }
++
++  qsort (child_ptr_chk_guards, N + 1, sizeof (uintptr_t), uintptr_t_cmp);
++
++  /* The default pointer guard is the same as the default stack guard.
++     They are only set to default if dl_random is NULL.  */
++  uintptr_t default_guard = 0;
++  unsigned char *p = (unsigned char *) &default_guard;
++  p[sizeof (uintptr_t) - 1] = 255;
++  p[sizeof (uintptr_t) - 2] = '\n';
++  p[0] = 0;
++
++  /* Test if the pointer guard canaries are either randomized,
++     or equal to the default pointer guard value.
++     Even with randomized pointer guards it might happen
++     that the random number generator generates the same
++     values, but if that happens in more than half from
++     the 16 runs, something is very wrong.  */
++  int ndifferences = 0;
++  int ndefaults = 0;
++  for (i = 0; i < N; ++i)
++    {
++      if (child_ptr_chk_guards[i] != child_ptr_chk_guards[i+1])
++	ndifferences++;
++      else if (child_ptr_chk_guards[i] == default_guard)
++	ndefaults++;
++    }
++
++  printf ("differences %d defaults %d\n", ndifferences, ndefaults);
++
++  if (ndifferences < N / 2 && ndefaults < N / 2)
++    {
++      puts ("pointer guard values are not randomized enough");
++      puts ("nor equal to the default value");
++      return 1;
++    }
++
++  return 0;
++}
++
++#define OPT_COMMAND	10000
++#define OPT_CHILD	10001
++#define CMDLINE_OPTIONS	\
++  { "command", required_argument, NULL, OPT_COMMAND },  \
++  { "child", no_argument, NULL, OPT_CHILD },
++#define CMDLINE_PROCESS	\
++  case OPT_COMMAND:	\
++    command = optarg;	\
++    break;		\
++  case OPT_CHILD:	\
++    child = true;	\
++    break;
++#define TEST_FUNCTION do_test ()
++#include "../test-skeleton.c"
+diff --git a/ports/sysdeps/ia64/stackguard-macros.h b/ports/sysdeps/ia64/stackguard-macros.h
+index dc683c2..3907293 100644
+--- a/ports/sysdeps/ia64/stackguard-macros.h
++++ b/ports/sysdeps/ia64/stackguard-macros.h
+@@ -2,3 +2,6 @@
+ 
+ #define STACK_CHK_GUARD \
+   ({ uintptr_t x; asm ("adds %0 = -8, r13;; ld8 %0 = [%0]" : "=r" (x)); x; })
++
++#define POINTER_CHK_GUARD \
++  ({ uintptr_t x; asm ("adds %0 = -16, r13;; ld8 %0 = [%0]" : "=r" (x)); x; })
+diff --git a/ports/sysdeps/tile/stackguard-macros.h b/ports/sysdeps/tile/stackguard-macros.h
+index 589ea2b..f2e041b 100644
+--- a/ports/sysdeps/tile/stackguard-macros.h
++++ b/ports/sysdeps/tile/stackguard-macros.h
+@@ -4,11 +4,17 @@
+ # if __WORDSIZE == 64
+ #  define STACK_CHK_GUARD \
+   ({ uintptr_t x; asm ("addi %0, tp, -16; ld %0, %0" : "=r" (x)); x; })
++#  define POINTER_CHK_GUARD \
++  ({ uintptr_t x; asm ("addi %0, tp, -24; ld %0, %0" : "=r" (x)); x; })
+ # else
+ #  define STACK_CHK_GUARD \
+   ({ uintptr_t x; asm ("addi %0, tp, -8; ld4s %0, %0" : "=r" (x)); x; })
++#  define POINTER_CHK_GUARD \
++  ({ uintptr_t x; asm ("addi %0, tp, -12; ld4s %0, %0" : "=r" (x)); x; })
+ # endif
+ #else
+ # define STACK_CHK_GUARD \
+   ({ uintptr_t x; asm ("addi %0, tp, -8; lw %0, %0" : "=r" (x)); x; })
++# define POINTER_CHK_GUARD \
++  ({ uintptr_t x; asm ("addi %0, tp, -12; lw %0, %0" : "=r" (x)); x; })
+ #endif
+diff --git a/sysdeps/generic/stackguard-macros.h b/sysdeps/generic/stackguard-macros.h
+index ababf65..4fa3d96 100644
+--- a/sysdeps/generic/stackguard-macros.h
++++ b/sysdeps/generic/stackguard-macros.h
+@@ -2,3 +2,6 @@
+ 
+ extern uintptr_t __stack_chk_guard;
+ #define STACK_CHK_GUARD __stack_chk_guard
++
++extern uintptr_t __pointer_chk_guard_local;
++#define POINTER_CHK_GUARD __pointer_chk_guard_local
+diff --git a/sysdeps/i386/stackguard-macros.h b/sysdeps/i386/stackguard-macros.h
+index 8c31e19..0397629 100644
+--- a/sysdeps/i386/stackguard-macros.h
++++ b/sysdeps/i386/stackguard-macros.h
+@@ -2,3 +2,11 @@
+ 
+ #define STACK_CHK_GUARD \
+   ({ uintptr_t x; asm ("movl %%gs:0x14, %0" : "=r" (x)); x; })
++
++#define POINTER_CHK_GUARD \
++  ({							\
++     uintptr_t x;					\
++     asm ("movl %%gs:%c1, %0" : "=r" (x)		\
++	  : "i" (offsetof (tcbhead_t, pointer_guard)));	\
++     x;							\
++   })
+diff --git a/sysdeps/powerpc/powerpc32/stackguard-macros.h b/sysdeps/powerpc/powerpc32/stackguard-macros.h
+index 839f6a4..b3d0af8 100644
+--- a/sysdeps/powerpc/powerpc32/stackguard-macros.h
++++ b/sysdeps/powerpc/powerpc32/stackguard-macros.h
+@@ -2,3 +2,13 @@
+ 
+ #define STACK_CHK_GUARD \
+   ({ uintptr_t x; asm ("lwz %0,-28680(2)" : "=r" (x)); x; })
++
++#define POINTER_CHK_GUARD \
++  ({												\
++     uintptr_t x;										\
++     asm ("lwz %0,%1(2)"									\
++	  : "=r" (x)										\
++	  : "i" (offsetof (tcbhead_t, pointer_guard) - TLS_TCB_OFFSET - sizeof (tcbhead_t))	\
++         );											\
++     x;												\
++   })
+diff --git a/sysdeps/powerpc/powerpc64/stackguard-macros.h b/sysdeps/powerpc/powerpc64/stackguard-macros.h
+index 9da879c..4620f96 100644
+--- a/sysdeps/powerpc/powerpc64/stackguard-macros.h
++++ b/sysdeps/powerpc/powerpc64/stackguard-macros.h
+@@ -2,3 +2,13 @@
+ 
+ #define STACK_CHK_GUARD \
+   ({ uintptr_t x; asm ("ld %0,-28688(13)" : "=r" (x)); x; })
++
++#define POINTER_CHK_GUARD \
++  ({												\
++     uintptr_t x;										\
++     asm ("ld %0,%1(2)"										\
++	  : "=r" (x)										\
++	  : "i" (offsetof (tcbhead_t, pointer_guard) - TLS_TCB_OFFSET - sizeof (tcbhead_t))	\
++         );											\
++     x;												\
++   })
+diff --git a/sysdeps/s390/s390-32/stackguard-macros.h b/sysdeps/s390/s390-32/stackguard-macros.h
+index b74c579..449e8d4 100644
+--- a/sysdeps/s390/s390-32/stackguard-macros.h
++++ b/sysdeps/s390/s390-32/stackguard-macros.h
+@@ -2,3 +2,14 @@
+ 
+ #define STACK_CHK_GUARD \
+   ({ uintptr_t x; asm ("ear %0,%%a0; l %0,0x14(%0)" : "=a" (x)); x; })
++
++/* On s390/s390x there is no unique pointer guard, instead we use the
++   same value as the stack guard.  */
++#define POINTER_CHK_GUARD \
++  ({							\
++     uintptr_t x;					\
++     asm ("ear %0,%%a0; l %0,%1(%0)"			\
++	  : "=a" (x)					\
++	  : "i" (offsetof (tcbhead_t, stack_guard)));	\
++     x;							\
++   })
+diff --git a/sysdeps/s390/s390-64/stackguard-macros.h b/sysdeps/s390/s390-64/stackguard-macros.h
+index 0cebb5f..c8270fb 100644
+--- a/sysdeps/s390/s390-64/stackguard-macros.h
++++ b/sysdeps/s390/s390-64/stackguard-macros.h
+@@ -2,3 +2,17 @@
+ 
+ #define STACK_CHK_GUARD \
+   ({ uintptr_t x; asm ("ear %0,%%a0; sllg %0,%0,32; ear %0,%%a1; lg %0,0x28(%0)" : "=a" (x)); x; })
++
++/* On s390/s390x there is no unique pointer guard, instead we use the
++   same value as the stack guard.  */
++#define POINTER_CHK_GUARD \
++  ({							\
++     uintptr_t x;					\
++     asm ("ear %0,%%a0;"				\
++	  "sllg %0,%0,32;"				\
++	  "ear %0,%%a1;"				\
++	  "lg %0,%1(%0)"				\
++	 : "=a" (x)					\
++	 : "i" (offsetof (tcbhead_t, stack_guard)));	\
++     x;							\
++   })
+diff --git a/sysdeps/sparc/sparc32/stackguard-macros.h b/sysdeps/sparc/sparc32/stackguard-macros.h
+index c0b02b0..1eef0f1 100644
+--- a/sysdeps/sparc/sparc32/stackguard-macros.h
++++ b/sysdeps/sparc/sparc32/stackguard-macros.h
+@@ -2,3 +2,6 @@
+ 
+ #define STACK_CHK_GUARD \
+   ({ uintptr_t x; asm ("ld [%%g7+0x14], %0" : "=r" (x)); x; })
++
++#define POINTER_CHK_GUARD \
++  ({ uintptr_t x; asm ("ld [%%g7+0x18], %0" : "=r" (x)); x; })
+diff --git a/sysdeps/sparc/sparc64/stackguard-macros.h b/sysdeps/sparc/sparc64/stackguard-macros.h
+index 80f0635..cc0c12c 100644
+--- a/sysdeps/sparc/sparc64/stackguard-macros.h
++++ b/sysdeps/sparc/sparc64/stackguard-macros.h
+@@ -2,3 +2,6 @@
+ 
+ #define STACK_CHK_GUARD \
+   ({ uintptr_t x; asm ("ldx [%%g7+0x28], %0" : "=r" (x)); x; })
++
++#define POINTER_CHK_GUARD \
++  ({ uintptr_t x; asm ("ldx [%%g7+0x30], %0" : "=r" (x)); x; })
+diff --git a/sysdeps/x86_64/stackguard-macros.h b/sysdeps/x86_64/stackguard-macros.h
+index d7fedb3..1948800 100644
+--- a/sysdeps/x86_64/stackguard-macros.h
++++ b/sysdeps/x86_64/stackguard-macros.h
+@@ -4,3 +4,8 @@
+   ({ uintptr_t x;						\
+      asm ("mov %%fs:%c1, %0" : "=r" (x)				\
+ 	  : "i" (offsetof (tcbhead_t, stack_guard))); x; })
++
++#define POINTER_CHK_GUARD \
++  ({ uintptr_t x;						\
++     asm ("mov %%fs:%c1, %0" : "=r" (x)				\
++	  : "i" (offsetof (tcbhead_t, pointer_guard))); x; })
+diff --git a/elf/Makefile b/elf/Makefile
+index cb8da93..27d249b 100644
+--- a/elf/Makefile
++++ b/elf/Makefile
+@@ -1019,6 +1019,9 @@ tst-stackguard1-ARGS = --command "$(host-test-program-cmd) --child"
+ tst-stackguard1-static-ARGS = --command "$(objpfx)tst-stackguard1-static --child"
+ 
+ tst-ptrguard1-ARGS = --command "$(host-test-program-cmd) --child"
++# When built statically, the pointer guard interface uses
++# __pointer_chk_guard_local.
++CFLAGS-tst-ptrguard1-static.c = -DPTRGUARD_LOCAL
+ tst-ptrguard1-static-ARGS = --command "$(objpfx)tst-ptrguard1-static --child"
+ 
+ $(objpfx)tst-leaks1: $(libdl)
+diff --git a/sysdeps/generic/stackguard-macros.h b/sysdeps/generic/stackguard-macros.h
+index 4fa3d96..b4a6b23 100644
+--- a/sysdeps/generic/stackguard-macros.h
++++ b/sysdeps/generic/stackguard-macros.h
+@@ -3,5 +3,10 @@
+ extern uintptr_t __stack_chk_guard;
+ #define STACK_CHK_GUARD __stack_chk_guard
+ 
++#ifdef PTRGUARD_LOCAL
+ extern uintptr_t __pointer_chk_guard_local;
+-#define POINTER_CHK_GUARD __pointer_chk_guard_local
++# define POINTER_CHK_GUARD __pointer_chk_guard_local
++#else
++extern uintptr_t __pointer_chk_guard;
++# define POINTER_CHK_GUARD __pointer_chk_guard
++#endif

srcpkgs/glibc/patches/glibc-2.18-readdir_r-CVE-2013-4237.patch

@@ -1,7 +1,7 @@
 diff --git a/manual/conf.texi b/manual/conf.texi
 index 7eb8b36..c720063 100644
---- manual/conf.texi
-+++ manual/conf.texi
+--- a/manual/conf.texi
++++ b/manual/conf.texi
 @@ -1149,6 +1149,9 @@ typed ahead as input.  @xref{I/O Queues}.
  @deftypevr Macro int NAME_MAX
  The uniform system limit (if any) for the length of a file name component, not
@@ -34,8 +34,8 @@ index 7eb8b36..c720063 100644
  
 diff --git a/manual/filesys.texi b/manual/filesys.texi
 index 1df9cf2..814c210 100644
---- manual/filesys.texi
-+++ manual/filesys.texi
+--- a/manual/filesys.texi
++++ b/manual/filesys.texi
 @@ -444,9 +444,9 @@ symbols are declared in the header file @file{dirent.h}.
  @comment POSIX.1
  @deftypefun {struct dirent *} readdir (DIR *@var{dirstream})
@@ -137,8 +137,8 @@ index 1df9cf2..814c210 100644
  the second parameter of @code{readdir_r} might not be enough.  Some
 diff --git a/sysdeps/posix/dirstream.h b/sysdeps/posix/dirstream.h
 index a7a074d..8e8570d 100644
---- sysdeps/posix/dirstream.h
-+++ sysdeps/posix/dirstream.h
+--- a/sysdeps/posix/dirstream.h
++++ b/sysdeps/posix/dirstream.h
 @@ -39,6 +39,8 @@ struct __dirstream
  
      off_t filepos;		/* Position of next entry to read.  */
@@ -150,8 +150,8 @@ index a7a074d..8e8570d 100644
    };
 diff --git a/sysdeps/posix/opendir.c b/sysdeps/posix/opendir.c
 index ddfc3a7..fc05b0f 100644
---- sysdeps/posix/opendir.c
-+++ sysdeps/posix/opendir.c
+--- a/sysdeps/posix/opendir.c
++++ b/sysdeps/posix/opendir.c
 @@ -231,6 +231,7 @@ __alloc_dir (int fd, bool close_fd, int flags, const struct stat64 *statp)
    dirp->size = 0;
    dirp->offset = 0;
@@ -162,8 +162,8 @@ index ddfc3a7..fc05b0f 100644
  }
 diff --git a/sysdeps/posix/readdir_r.c b/sysdeps/posix/readdir_r.c
 index b5a8e2e..8ed5c3f 100644
---- sysdeps/posix/readdir_r.c
-+++ sysdeps/posix/readdir_r.c
+--- a/sysdeps/posix/readdir_r.c
++++ b/sysdeps/posix/readdir_r.c
 @@ -40,6 +40,7 @@ __READDIR_R (DIR *dirp, DIRENT_TYPE *entry, DIRENT_TYPE **result)
    DIRENT_TYPE *dp;
    size_t reclen;
@@ -244,8 +244,8 @@ index b5a8e2e..8ed5c3f 100644
  #ifdef __READDIR_R_ALIAS
 diff --git a/sysdeps/posix/rewinddir.c b/sysdeps/posix/rewinddir.c
 index 2935a8e..d4991ad 100644
---- sysdeps/posix/rewinddir.c
-+++ sysdeps/posix/rewinddir.c
+--- a/sysdeps/posix/rewinddir.c
++++ b/sysdeps/posix/rewinddir.c
 @@ -33,6 +33,7 @@ rewinddir (dirp)
    dirp->filepos = 0;
    dirp->offset = 0;
@@ -256,8 +256,8 @@ index 2935a8e..d4991ad 100644
  #endif
 diff --git a/sysdeps/unix/sysv/linux/i386/readdir64_r.c b/sysdeps/unix/sysv/linux/i386/readdir64_r.c
 index 8ebbcfd..a7d114e 100644
---- sysdeps/unix/sysv/linux/i386/readdir64_r.c
-+++ sysdeps/unix/sysv/linux/i386/readdir64_r.c
+--- a/sysdeps/unix/sysv/linux/i386/readdir64_r.c
++++ b/sysdeps/unix/sysv/linux/i386/readdir64_r.c
 @@ -18,7 +18,6 @@
  #define __READDIR_R __readdir64_r
  #define __GETDENTS __getdents64
@@ -268,8 +268,8 @@ index 8ebbcfd..a7d114e 100644
  
 diff --git a/sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c b/sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c
 index 5ed8e95..290f2c8 100644
---- sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c
-+++ sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c
+--- a/sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c
++++ b/sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c
 @@ -1,5 +1,4 @@
  #define readdir64_r __no_readdir64_r_decl
 -#define GETDENTS_64BIT_ALIGNED 1

srcpkgs/glibc/patches/glibc-2.18-scanf-parse-0e-0.patch

@@ -0,0 +1,67 @@
+diff --git a/stdio-common/tst-sscanf.c b/stdio-common/tst-sscanf.c
+index 1edb227..3c34f58 100644
+--- a/stdio-common/tst-sscanf.c
++++ b/stdio-common/tst-sscanf.c
+@@ -109,6 +109,19 @@ struct test double_tests[] =
+   { L("-inf"), L("%g"), 1 }
+ };
+ 
++struct test2
++{
++  const CHAR *str;
++  const CHAR *fmt;
++  int retval;
++  char residual;
++} double_tests2[] =
++{
++  { L("0e+0"), L("%g%c"), 1, 0 },
++  { L("0xe+0"), L("%g%c"), 2, '+' },
++  { L("0x.e+0"), L("%g%c"), 2, '+' },
++};
++
+ int
+ main (void)
+ {
+@@ -196,5 +209,26 @@ main (void)
+ 	}
+     }
+ 
++  for (i = 0; i < sizeof (double_tests2) / sizeof (double_tests2[0]); ++i)
++    {
++      double dummy;
++      int ret;
++      char c = 0;
++
++      if ((ret = SSCANF (double_tests2[i].str, double_tests2[i].fmt,
++			 &dummy, &c)) != double_tests2[i].retval)
++	{
++	  printf ("double_tests2[%d] returned %d != %d\n",
++		  i, ret, double_tests2[i].retval);
++	  result = 1;
++	}
++      else if (ret == 2 && c != double_tests2[i].residual)
++	{
++	  printf ("double_tests2[%d] stopped at '%c' != '%c'\n",
++		  i, c, double_tests2[i].residual);
++	  result = 1;
++	}
++    }
++
+   return result;
+ }
+diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c
+index 78dc2fc..e6fa8f3 100644
+--- a/stdio-common/vfscanf.c
++++ b/stdio-common/vfscanf.c
+@@ -1966,6 +1966,8 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr,
+ 		  if (width > 0)
+ 		    --width;
+ 		}
++	      else
++		got_digit = 1;
+ 	    }
+ 
+ 	  while (1)
+-- 
+1.8.4.2
+

srcpkgs/glibc/patches/glibc-2.18-strstr-hackfix.patch

@@ -1,5 +1,7 @@
---- sysdeps/x86_64/multiarch/strstr.c
-+++ sysdeps/x86_64/multiarch/strstr.c
+diff --git a/sysdeps/x86_64/multiarch/strstr.c b/sysdeps/x86_64/multiarch/strstr.c
+index cd63b68..03d8b9a 100644
+--- a/sysdeps/x86_64/multiarch/strstr.c
++++ b/sysdeps/x86_64/multiarch/strstr.c
 @@ -86,7 +86,7 @@
  /* Simple replacement of movdqu to address 4KB boundary cross issue.
     If EOS occurs within less than 16B before 4KB boundary, we don't
@@ -9,4 +11,3 @@
  __m128i_strloadu (const unsigned char * p, __m128i zero)
  {
    if (__builtin_expect ((int) ((size_t) p & 0xfff) > 0xff0, 0))
-

srcpkgs/glibc/patches/ptr_mangle-eglibc-2.17.patch

@@ -1,32 +0,0 @@
-See http://hmarco.org/bugs/CVE-2013-4788.html
-
---- csu/libc-start.c	2012-12-25 04:02:13.000000000 +0100
-+++ csu/libc-start.c	2013-07-10 00:13:48.000000000 +0200
-@@ -38,6 +38,12 @@ extern void __pthread_initialize_minimal
-    in thread local area.  */
- uintptr_t __stack_chk_guard attribute_relro;
- # endif
-+
-+# ifndef  THREAD_SET_POINTER_GUARD
-+uintptr_t __pointer_chk_guard_local
-+     attribute_relro attribute_hidden __attribute__ ((nocommon));
-+# endif
-+
- #endif
- 
- #ifdef HAVE_PTR_NTHREADS
-@@ -184,6 +190,14 @@ LIBC_START_MAIN (int (*main) (int, char
- # else
-   __stack_chk_guard = stack_chk_guard;
- # endif
-+    uintptr_t pointer_chk_guard = _dl_setup_pointer_guard (_dl_random,
-+                          stack_chk_guard);
-+# ifdef THREAD_SET_POINTER_GUARD
-+      THREAD_SET_POINTER_GUARD (pointer_chk_guard);
-+# else
-+      __pointer_chk_guard_local = pointer_chk_guard;
-+# endif
-+
- #endif
- 
-   /* Register the destructor of the dynamic linker if there is any.  */

srcpkgs/glibc/template

@@ -1,7 +1,11 @@
 # Template file for 'glibc'
 pkgname=glibc
 version=2.18
-revision=3
+revision=4
+bootstrap=yes
+# Force creation of -dbg pkg, required by valgrind.
+force_debug_pkgs=yes
+patch_args="-Np1"
 short_desc="The GNU C library"
 maintainer="Juan RP <xtraeme@gmail.com>"
 homepage="http://www.gnu.org/software/libc"
@@ -9,18 +13,11 @@ license="GPL-2, LGPL-2.1, BSD"
 distfiles="http://ftp.gnu.org/gnu/glibc/glibc-${version}.tar.xz"
 checksum=2cb4e1e381928f1e5e55e71ab1ba8e0ea7ede75ff9709770435bfd018ea257a3
 
-bootstrap=yes
-
 if [ "$CHROOT_READY" ]; then
 	hostmakedepends="bison perl"
 fi
 
-# Force creation of -dbg pkg, required by valgrind.
-force_debug_pkgs=yes
-
 do_configure() {
-	local _headers _floatabi
-
 	mkdir build
 	cd build
 
@@ -32,26 +29,26 @@ do_configure() {
 	if [ "$XBPS_TARGET_MACHINE" = "i686" ]; then
 		# Build with -mno-tls-direct-seg-refs to avoid performance
 		# problems with Xen on x86 32bit.
-		export CFLAGS="${CFLAGS} -mno-tls-direct-seg-refs"
+		export CFLAGS+=" -mno-tls-direct-seg-refs"
 	elif [ "$XBPS_TARGET_MACHINE" = "armv6l" ]; then
 		# Force hard float ABI.
 		# To build for soft float: --with-float=soft --without-fp.
-		_floatabi="--with-float=hard"
+		configure_args+=" --with-float=hard"
 	fi
 	if [ "$CROSS_BUILD" ]; then
-		_headers="--with-headers=${XBPS_CROSS_BASE}/usr/include"
+		configure_args+=" --with-headers=${XBPS_CROSS_BASE}/usr/include"
 	else
-		_headers="--with-headers=${XBPS_MASTERDIR}/usr/include"
+		configure_args+=" --with-headers=${XBPS_MASTERDIR}/usr/include"
 	fi
 
 	SHELL=/bin/bash ../configure ${configure_args} \
 		--bindir=/usr/bin --sbindir=/usr/sbin \
+		--libdir=/usr/lib --libexecdir=/usr/lib \
 		--enable-add-ons=ports,nptl,libidn --enable-obsolete-rpc \
 		--enable-multi-arch --enable-bind-now \
 		--disable-profile --enable-kernel=2.6.27 \
-		--enable-stack-guard-randomization \
-		--without-cvs --without-gd --libexecdir=/usr/lib \
-		--libdir=/usr/lib ${_floatabi} ${_headers}
+		--enable-stack-guard-randomization --enable-lock-elision \
+		--without-cvs --without-gd
 }
 
 do_build() {
@@ -99,7 +96,7 @@ do_install() {
 }
 
 glibc-devel_package() {
-	depends="kernel-libc-headers glibc>=${version}"
+	depends="kernel-libc-headers glibc>=${version}_${revision}"
 	short_desc+=" - development files"
 	pkg_install() {
 		vmove usr/include
@@ -148,7 +145,7 @@ glibc_package() {
 	conf_files="
 		/etc/rpc
 		/etc/ld.so.conf"
-	depends="base-files glibc-locales"
+	depends="base-files glibc-locales>=${version}_${revision}"
 	pkg_install() {
 		vmove all
 	}