diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index 085f7a743354..15bf4af8f282 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -293,9 +293,10 @@ static unsigned long keyring_get_key_chunk(const void *data, int level)
 		desc_len -= offset;
 		if (desc_len > n)
 			desc_len = n;
+		d += desc_len;
 		do {
 			chunk <<= 8;
-			chunk |= *d++;
+			chunk |= *--d;
 		} while (--desc_len > 0);
 		return chunk;
 	}
@@ -376,7 +377,7 @@ static int keyring_diff_objects(const void *object, const void *data)
 	return -1;
 
 differ_plus_i:
-	level += i;
+	level += i - (int)sizeof(a->desc);
 differ:
 	i = level * 8 + __ffs(seg_a ^ seg_b);
 	return i;