diff options
Diffstat (limited to 'bfd/elf64-alpha.c')
| -rw-r--r-- | bfd/elf64-alpha.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/bfd/elf64-alpha.c b/bfd/elf64-alpha.c index 96ce158..ae4be9f 100644 --- a/bfd/elf64-alpha.c +++ b/bfd/elf64-alpha.c @@ -1387,18 +1387,24 @@ elf64_alpha_read_ecoff_info (bfd *abfd, asection *section, /* The symbolic header contains absolute file offsets and sizes to read. */ #define READ(ptr, offset, count, size, type) \ - if (symhdr->count == 0) \ - debug->ptr = NULL; \ - else \ + do \ { \ - bfd_size_type amt = (bfd_size_type) size * symhdr->count; \ + size_t amt; \ + debug->ptr = NULL; \ + if (symhdr->count == 0) \ + break; \ + if (_bfd_mul_overflow (size, symhdr->count, &amt)) \ + { \ + bfd_set_error (bfd_error_file_too_big); \ + goto error_return; \ + } \ debug->ptr = (type) bfd_malloc (amt); \ if (debug->ptr == NULL) \ goto error_return; \ if (bfd_seek (abfd, (file_ptr) symhdr->offset, SEEK_SET) != 0 \ || bfd_bread (debug->ptr, amt, abfd) != amt) \ goto error_return; \ - } + } while (0) READ (line, cbLineOffset, cbLine, sizeof (unsigned char), unsigned char *); READ (external_dnr, cbDnOffset, idnMax, swap->external_dnr_size, void *); |