1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 8875254120b6..a52493a66cf2 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -2739,7 +2739,7 @@ int kdb_register_repeat(char *cmd,
                           (kdb_max_commands - KDB_BASE_CMD_MAX) * sizeof(*new));
                         kfree(kdb_commands);
                 }
-                memset(new + kdb_max_commands, 0,
+                memset(new + kdb_max_commands - KDB_BASE_CMD_MAX, 0,
                        kdb_command_extend * sizeof(*new));
                 kdb_commands = new;
                 kp = kdb_commands + kdb_max_commands - KDB_BASE_CMD_MAX;