From: Alan Modra <amodra@gmail.com>
Date: Thu, 21 May 2009 13:49:11 +0000 (+0000)
Subject: 	* elf64-ppc.c (ppc64_elf_get_synthetic_symtab): Don't segfault on
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5ef11c0214f8a01a6bc0a5dd9c51383012c372c5;p=binutils-gdb.git

	* elf64-ppc.c (ppc64_elf_get_synthetic_symtab): Don't segfault on
	out of range .opd symbols.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 3b0e97b96ae..50ef873301b 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2009-05-21  Alan Modra  <amodra@bigpond.net.au>
+
+	* elf64-ppc.c (ppc64_elf_get_synthetic_symtab): Don't segfault on
+	out of range .opd symbols.
+
 2009-05-21  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	* coffgen.c (coff_print_symbol):  Use bfd_fprintf_vma, not
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index ce82e160152..ae3c3b9f3c9 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -3033,6 +3033,10 @@ ppc64_elf_get_synthetic_symtab (bfd *abfd,
 	{
 	  bfd_vma ent;
 
+	  /* Ignore bogus symbols.  */
+	  if (syms[i]->value > opd->size - 8)
+	    continue;
+
 	  ent = bfd_get_64 (abfd, contents + syms[i]->value);
 	  if (!sym_exists_at (syms, opdsymend, symcount, -1, ent))
 	    {
@@ -3126,6 +3130,9 @@ ppc64_elf_get_synthetic_symtab (bfd *abfd,
 	{
 	  bfd_vma ent;
 
+	  if (syms[i]->value > opd->size - 8)
+	    continue;
+
 	  ent = bfd_get_64 (abfd, contents + syms[i]->value);
 	  if (!sym_exists_at (syms, opdsymend, symcount, -1, ent))
 	    {