diff --git a/[refs] b/[refs]
index 724bc212b606..eee086809004 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b302ef2d3c73d8a07ed2f0679ce35f00b6dcacef
+refs/heads/master: 2f2e09eb15849562aede80ed007658e4504ded26
diff --git a/trunk/fs/ext4/ext4.h b/trunk/fs/ext4/ext4.h
index bd9890f6d9ce..f85f1fb49df8 100644
--- a/trunk/fs/ext4/ext4.h
+++ b/trunk/fs/ext4/ext4.h
@@ -2313,6 +2313,7 @@ struct ext4_group_info *ext4_get_group_info(struct super_block *sb,
 {
 	 struct ext4_group_info ***grp_info;
 	 long indexv, indexh;
+	 BUG_ON(group >= EXT4_SB(sb)->s_groups_count);
 	 grp_info = EXT4_SB(sb)->s_group_info;
 	 indexv = group >> (EXT4_DESC_PER_BLOCK_BITS(sb));
 	 indexh = group & ((EXT4_DESC_PER_BLOCK(sb)) - 1);