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| author | Nick Clifton <nickc@redhat.com> | 2005-05-17 16:23:26 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2005-05-17 16:23:26 +0000 |
| commit | 8e0ed13fa56c0f18e69a559dcace1fc9431874a2 (patch) | |
| tree | 75e147594e2ac940016e8b29fb3d9fce40a44653 | |
| parent | 39ddb54e58f750cfbdff29c1795483a0c505c8ad (diff) | |
| download | binutils-gdb-8e0ed13fa56c0f18e69a559dcace1fc9431874a2.tar.gz | |
(bfd_section_from_shdr): Add sanity check when parsing dynamic sections.
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elf.c | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 3d2b2d9b230..feb815ffe9d 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -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> * elf32-ppc.c (LIS_11. LIS_12): Define. diff --git a/bfd/elf.c b/bfd/elf.c index 8e087e32dc3..f77d626a30d 100644 --- a/bfd/elf.c +++ b/bfd/elf.c @@ -1768,6 +1768,9 @@ bfd_section_from_shdr (bfd *abfd, unsigned int shindex) case SHT_DYNAMIC: /* Dynamic linking information. */ if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex)) 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) { Elf_Internal_Shdr *dynsymhdr; |