Crush: add some safe judgment

Fixes: #14496
Signed-off-by: song baisen song.baisen@zte.com.cn

diff --git a/src/crush/builder.c b/src/crush/builder.c
index 1212e4be2d37b951608390b2a18659449ece83b0..387c8beceb85f32c756e464c180098638bf3b7cc 100644 (file)
--- a/src/crush/builder.c
+++ b/src/crush/builder.c
@@ -176,7 +176,7 @@ int crush_add_bucket(struct crush_map *map,
 int crush_remove_bucket(struct crush_map *map, struct crush_bucket *bucket)
 {
        int pos = -1 - bucket->id;
-
+       assert(pos < map->max_buckets);
        map->buckets[pos] = NULL;
        crush_destroy_bucket(bucket);
        return 0;