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| author | Alan Modra <amodra@bigpond.net.au> | 2008-11-12 22:04:03 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@bigpond.net.au> | 2008-11-12 22:04:03 +0000 |
| commit | 09e7ed66cf8f63905a65618c82e26bc5577998de (patch) | |
| tree | 5cd6ffda3ea37fd6336abf35677db57c19b7d6e5 | |
| parent | c219a7436c70547cae2b9fd04c6753f8b5413eb4 (diff) | |
| download | gdb-09e7ed66cf8f63905a65618c82e26bc5577998de.tar.gz | |
PR 7023
* elf.c (bfd_section_from_shdr <SHT_SYMTAB>): Fail on invalid sh_info.
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elf.c | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 0452dbb71bd..3d5c0226b9c 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,8 @@ +2008-11-13 Alan Modra <amodra@bigpond.net.au> + + PR 7023 + * elf.c (bfd_section_from_shdr <SHT_SYMTAB>): Fail on invalid sh_info. + 2008-11-12 Tristan Gingold <gingold@adacore.com> * bfd.c (bfd_get_sign_extend_vma): Return 0 for mach-o. diff --git a/bfd/elf.c b/bfd/elf.c index 054fd2a4105..cb7d2fc3e44 100644 --- a/bfd/elf.c +++ b/bfd/elf.c @@ -1608,6 +1608,8 @@ bfd_section_from_shdr (bfd *abfd, unsigned int shindex) if (hdr->sh_entsize != bed->s->sizeof_sym) return FALSE; + if (hdr->sh_info * hdr->sh_entsize > hdr->sh_size) + return FALSE; BFD_ASSERT (elf_onesymtab (abfd) == 0); elf_onesymtab (abfd) = shindex; elf_tdata (abfd)->symtab_hdr = *hdr; |