diff options
Diffstat (limited to 'bfd/pdp11.c')
| -rw-r--r-- | bfd/pdp11.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/bfd/pdp11.c b/bfd/pdp11.c index 9ef63cc311c..de9c8690e20 100644 --- a/bfd/pdp11.c +++ b/bfd/pdp11.c @@ -2125,13 +2125,7 @@ NAME (aout, canonicalize_reloc) (bfd *abfd, long NAME (aout, get_reloc_upper_bound) (bfd *abfd, sec_ptr asect) { - bfd_size_type count; - - if (bfd_get_format (abfd) != bfd_object) - { - bfd_set_error (bfd_error_invalid_operation); - return -1; - } + size_t count, raw; if (asect->flags & SEC_CONSTRUCTOR) count = asect->reloc_count; @@ -2147,11 +2141,21 @@ NAME (aout, get_reloc_upper_bound) (bfd *abfd, sec_ptr asect) return -1; } - if (count >= LONG_MAX / sizeof (arelent *)) + if (count >= LONG_MAX / sizeof (arelent *) + || _bfd_mul_overflow (count, obj_reloc_entry_size (abfd), &raw)) { bfd_set_error (bfd_error_file_too_big); return -1; } + if (!bfd_write_p (abfd)) + { + ufile_ptr filesize = bfd_get_file_size (abfd); + if (filesize != 0 && raw > filesize) + { + bfd_set_error (bfd_error_file_truncated); + return -1; + } + } return (count + 1) * sizeof (arelent *); } |