diff options
Diffstat (limited to 'bfd/coffgen.c')
| -rw-r--r-- | bfd/coffgen.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/bfd/coffgen.c b/bfd/coffgen.c index 3e0fbc6..aab41c3 100644 --- a/bfd/coffgen.c +++ b/bfd/coffgen.c @@ -1976,19 +1976,25 @@ coff_get_normalized_symtab (bfd *abfd) long coff_get_reloc_upper_bound (bfd *abfd, sec_ptr asect) { - if (bfd_get_format (abfd) != bfd_object) + size_t count, raw; + + count = asect->reloc_count; + if (count >= LONG_MAX / sizeof (arelent *) + || _bfd_mul_overflow (count, bfd_coff_relsz (abfd), &raw)) { - bfd_set_error (bfd_error_invalid_operation); + bfd_set_error (bfd_error_file_too_big); return -1; } -#if SIZEOF_LONG == SIZEOF_INT - if (asect->reloc_count >= LONG_MAX / sizeof (arelent *)) + if (!bfd_write_p (abfd)) { - bfd_set_error (bfd_error_file_too_big); - return -1; + ufile_ptr filesize = bfd_get_file_size (abfd); + if (filesize != 0 && raw > filesize) + { + bfd_set_error (bfd_error_file_truncated); + return -1; + } } -#endif - return (asect->reloc_count + 1L) * sizeof (arelent *); + return (count + 1) * sizeof (arelent *); } asymbol * |