diff options
Diffstat (limited to 'mysys')
| -rw-r--r-- | mysys/ma_dyncol.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/mysys/ma_dyncol.c b/mysys/ma_dyncol.c index 2ab5f443233..448ad8269fa 100644 --- a/mysys/ma_dyncol.c +++ b/mysys/ma_dyncol.c @@ -1941,13 +1941,15 @@ static size_t hdr_interval_length(DYN_HEADER *hdr, uchar *next_entry) if ((*fmt->type_and_offset_read)(&hdr->type, &hdr->offset, hdr->entry + fmt->fixed_hdr_entry, - hdr->offset_size)) + hdr->offset_size) || + hdr->data_size < hdr->offset) return DYNCOL_OFFSET_ERROR; if (next_entry == hdr->header + hdr->header_size) return hdr->data_size - hdr->offset; if ((*fmt->type_and_offset_read)(&next_entry_type, &next_entry_offset, next_entry + fmt->fixed_hdr_entry, - hdr->offset_size)) + hdr->offset_size) || + hdr->data_size < next_entry_offset) return DYNCOL_OFFSET_ERROR; return (next_entry_offset - hdr->offset); } |