diff options
Diffstat (limited to 'bfd/vms-lib.c')
| -rw-r--r-- | bfd/vms-lib.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/bfd/vms-lib.c b/bfd/vms-lib.c index 65fd70a..66a40bc 100644 --- a/bfd/vms-lib.c +++ b/bfd/vms-lib.c @@ -242,7 +242,8 @@ vms_write_block (bfd *abfd, unsigned int vbn, void *blk) If the entry is indirect, recurse. */ static bfd_boolean -vms_traverse_index (bfd *abfd, unsigned int vbn, struct carsym_mem *cs) +vms_traverse_index (bfd *abfd, unsigned int vbn, struct carsym_mem *cs, + unsigned int recur_count) { struct vms_indexdef indexdef; file_ptr off; @@ -250,6 +251,12 @@ vms_traverse_index (bfd *abfd, unsigned int vbn, struct carsym_mem *cs) unsigned char *endp; unsigned int n; + if (recur_count == 100) + { + bfd_set_error (bfd_error_bad_value); + return FALSE; + } + /* Read the index block. */ BFD_ASSERT (sizeof (indexdef) == VMS_BLOCK_SIZE); if (!vms_read_block (abfd, vbn, &indexdef)) @@ -307,7 +314,7 @@ vms_traverse_index (bfd *abfd, unsigned int vbn, struct carsym_mem *cs) if (idx_off == RFADEF__C_INDEX) { /* Indirect entry. Recurse. */ - if (!vms_traverse_index (abfd, idx_vbn, cs)) + if (!vms_traverse_index (abfd, idx_vbn, cs, recur_count + 1)) return FALSE; } else @@ -454,7 +461,7 @@ vms_lib_read_index (bfd *abfd, int idx, unsigned int *nbrel) /* Note: if the index is empty, there is no block to traverse. */ vbn = bfd_getl32 (idd.vbn); - if (vbn != 0 && !vms_traverse_index (abfd, vbn, &csm)) + if (vbn != 0 && !vms_traverse_index (abfd, vbn, &csm, 0)) { if (csm.realloced) free (csm.idx); |