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Another fix for an objdump crash when parsing a corrupt binary.

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PR binutils/17512
	* mach-o.c (bfd_mach_o_read_symtab_strtab): Zero terminate the
	string table.
This commit is contained in:
Nick Clifton
2015-01-06 22:02:55 +00:00
parent e749cab89d
commit e7287c7f64
2 changed files with 6 additions and 1 deletions
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3
bfd/ChangeLog
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@ -1,6 +1,9 @@
2015-01-06 Nick Clifton <nickc@redhat.com> 2015-01-06 Nick Clifton <nickc@redhat.com>
PR binutils/17512 PR binutils/17512
* mach-o.c (bfd_mach_o_read_symtab_strtab): Zero terminate the
string table.
* reloc.c (bfd_get_reloc_size): Handle a reloc size of -1. * reloc.c (bfd_get_reloc_size): Handle a reloc size of -1.
(bfd_perform_relocation): Include the size of the reloc in the (bfd_perform_relocation): Include the size of the reloc in the
test for an out of range relocation. test for an out of range relocation.

4
bfd/mach-o.c
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@ -3675,7 +3675,7 @@ bfd_mach_o_read_symtab_strtab (bfd *abfd)
} }
else else
{ {
sym->strtab = bfd_alloc (abfd, sym->strsize); sym->strtab = bfd_alloc (abfd, sym->strsize + 1);
if (sym->strtab == NULL) if (sym->strtab == NULL)
return FALSE; return FALSE;
@ -3688,6 +3688,8 @@ bfd_mach_o_read_symtab_strtab (bfd *abfd)
bfd_set_error (bfd_error_file_truncated); bfd_set_error (bfd_error_file_truncated);
return FALSE; return FALSE;
} }
/* Zero terminate the string table. */
sym->strtab[sym->strsize] = 0;
} }
return TRUE; return TRUE;