diff --git a/fs/exfat/fatent.c b/fs/exfat/fatent.c
index 74590041fb2c..24e1e05f9f34 100644
--- a/fs/exfat/fatent.c
+++ b/fs/exfat/fatent.c
@@ -265,7 +265,7 @@ int exfat_find_last_cluster(struct super_block *sb, struct exfat_chain *p_chain,
 		clu = next;
 		if (exfat_ent_get(sb, clu, &next))
 			return -EIO;
-	} while (next != EXFAT_EOF_CLUSTER);
+	} while (next != EXFAT_EOF_CLUSTER && count <= p_chain->size);
 
 	if (p_chain->size != count) {
 		exfat_fs_error(sb,