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* elf.c (bfd_section_from_shdr): Avoid crashing on a bogus sh_link

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field.
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Ian Lance Taylor 1999-06-22 21:25:49 +00:00
parent 7b9eea348f
commit 03ae5f594e
2 changed files with 14 additions and 0 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
1999-06-23 Ian Lance Taylor <ian@zembu.com>
* elf.c (bfd_section_from_shdr): Avoid crashing on a bogus sh_link
field.
1999-06-22 Ian Lance Taylor <ian@zembu.com>
From Franz Sirl <Franz.Sirl-kernel@lauterbach.com>:

9
bfd/elf.c
View File

@ -1201,6 +1201,15 @@ bfd_section_from_shdr (abfd, shindex)
asection *target_sect;
Elf_Internal_Shdr *hdr2;
/* Check for a bogus link to avoid crashing. */
if (hdr->sh_link >= ehdr->e_shnum)
{
((*_bfd_error_handler)
(_("%s: invalid link %lu for reloc section %s (index %u)"),
bfd_get_filename (abfd), hdr->sh_link, name, shindex));
return _bfd_elf_make_section_from_shdr (abfd, hdr, name);
}
/* For some incomprehensible reason Oracle distributes
libraries for Solaris in which some of the objects have
bogus sh_link fields. It would be nice if we could just