diff options
Diffstat (limited to 'bfd/dwarf2.c')
| -rw-r--r-- | bfd/dwarf2.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/bfd/dwarf2.c b/bfd/dwarf2.c index 79fcd06..1247f95 100644 --- a/bfd/dwarf2.c +++ b/bfd/dwarf2.c @@ -909,7 +909,8 @@ read_address (struct comp_unit *unit, bfd_byte **ptr, bfd_byte *buf_end) if (bfd_get_flavour (unit->abfd) == bfd_target_elf_flavour) signed_vma = get_elf_backend_data (unit->abfd)->sign_extend_vma; - if (unit->addr_size > (size_t) (buf_end - buf)) + if (unit->addr_size > (size_t) (buf_end - buf) + || (buf > buf_end)) { *ptr = buf_end; return 0; @@ -3097,6 +3098,8 @@ read_ranges (struct comp_unit *unit, struct arange *arange, if (ranges_ptr < unit->file->dwarf_ranges_buffer) return false; ranges_end = unit->file->dwarf_ranges_buffer + unit->file->dwarf_ranges_size; + if (ranges_ptr >= ranges_end) + return false; for (;;) { |