diff options
| -rw-r--r-- | src/common/blkreftable.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/common/blkreftable.c b/src/common/blkreftable.c index bfa6f7ab5d8..845b5d1dc46 100644 --- a/src/common/blkreftable.c +++ b/src/common/blkreftable.c @@ -410,7 +410,11 @@ BlockRefTableEntryGetBlocks(BlockRefTableEntry *entry, if (chunkno == start_chunkno) start_offset = start_blkno % BLOCKS_PER_CHUNK; if (chunkno == stop_chunkno - 1) - stop_offset = stop_blkno % BLOCKS_PER_CHUNK; + { + Assert(stop_blkno > chunkno * BLOCKS_PER_CHUNK); + stop_offset = stop_blkno - (chunkno * BLOCKS_PER_CHUNK); + Assert(stop_offset <= BLOCKS_PER_CHUNK); + } /* * Handling differs depending on whether this is an array of offsets |