From 6398ab8de5856135ee621d41bba4a4ed55b96fb7 Mon Sep 17 00:00:00 2001
From: Rajat Kumar <rajat.kumar@ittiam.com>
Date: Tue, 1 Sep 2020 10:29:12 +0530
Subject: [PATCH] Fix for infinite loop in drc selection process

DRC should not permit the configurations that
exceed the total supported complexity.

Bug: 167279883
Test: poc in bug

Change-Id: Icffa42cdcd9184d434b7a0bfa1b11ebd5ec4af71
---
 decoder/drc_src/impd_drc_selection_process.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/decoder/drc_src/impd_drc_selection_process.c b/decoder/drc_src/impd_drc_selection_process.c
index fa84ff1..0917845 100644
--- a/decoder/drc_src/impd_drc_selection_process.c
+++ b/decoder/drc_src/impd_drc_selection_process.c
@@ -997,6 +997,10 @@ WORD32 impd_manage_complexity(ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc,
   complexityDrcTotal *= freqNorm;
   complexityEqTotal *= freqNorm;
 
+  if ((complexityDrcTotal > complexitySupportedTotal) ||
+      (complexityEqTotal > complexitySupportedTotal))
+    return UNEXPECTED_ERROR;
+
   if (numBandsTooLarge == 1) {
     if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.sel_drc_set_ids[0] > 0) {
       err = impd_find_drc_instructions_uni_drc(