1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index a5501edc3c9f..a0390657451b 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1216,6 +1216,7 @@ again:
          */
         search_start = *offset;
         search_bytes = *bytes;
+        search_bytes = min(search_bytes, end - search_start + 1);
         ret = search_bitmap(block_group, bitmap_info, &search_start,
                             &search_bytes);
         BUG_ON(ret < 0 || search_start != *offset);