diff options
Diffstat (limited to 'libdw/fde.c')
| -rw-r--r-- | libdw/fde.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libdw/fde.c b/libdw/fde.c index f5f6fbe1..73d551b6 100644 --- a/libdw/fde.c +++ b/libdw/fde.c @@ -104,9 +104,12 @@ intern_fde (Dwarf_CFI *cache, const Dwarf_FDE *entry) /* The CIE augmentation says the FDE has a DW_FORM_block before its actual instruction stream. */ Dwarf_Word len; + if (fde->instructions >= fde->instructions_end) + goto invalid; get_uleb128 (len, fde->instructions, fde->instructions_end); if ((Dwarf_Word) (fde->instructions_end - fde->instructions) < len) { + invalid: free (fde); __libdw_seterrno (DWARF_E_INVALID_DWARF); return NULL; |