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(bfd_section_from_shdr): Add sanity check when parsing dynamic sections.

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Nick Clifton
2005-05-17 16:23:26 +00:00
parent 39ddb54e58
commit 8e0ed13fa5
2 changed files with 8 additions and 0 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2005-05-17 Tavis Ormandy <taviso@gentoo.org>
* elf.c (bfd_section_from_shdr): Add sanity check when parsing
dynamic sections.
2005-05-17 Alan Modra <amodra@bigpond.net.au> 2005-05-17 Alan Modra <amodra@bigpond.net.au>
* elf32-ppc.c (LIS_11. LIS_12): Define. * elf32-ppc.c (LIS_11. LIS_12): Define.

3
bfd/elf.c
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@ -1768,6 +1768,9 @@ bfd_section_from_shdr (bfd *abfd, unsigned int shindex)
case SHT_DYNAMIC: /* Dynamic linking information. */ case SHT_DYNAMIC: /* Dynamic linking information. */
if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
return FALSE; return FALSE;
if (hdr->sh_link > elf_numsections (abfd)
|| elf_elfsections (abfd)[hdr->sh_link] == NULL)
return FALSE;
if (elf_elfsections (abfd)[hdr->sh_link]->sh_type != SHT_STRTAB) if (elf_elfsections (abfd)[hdr->sh_link]->sh_type != SHT_STRTAB)
{ {
Elf_Internal_Shdr *dynsymhdr; Elf_Internal_Shdr *dynsymhdr;