From c50e423d3bb1e9684ce78c103564e3c364ec54b7 Mon Sep 17 00:00:00 2001
From: Jakob Ivarsson <jakobi@webrtc.org>
Date: Thu, 11 Feb 2021 16:13:28 +0100
Subject: [PATCH] Fix possible integer overflow.
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Bug: chromium:1340143
Change-Id: Ia874c90b53e5c527d163a0fe566743713a55ca6e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/206986
Commit-Queue: Jakob Ivarsson‎ <jakobi@webrtc.org>
Reviewed-by: Ivo Creusen <ivoc@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37402}
---
 modules/audio_coding/neteq/buffer_level_filter.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/audio_coding/neteq/buffer_level_filter.cc b/modules/audio_coding/neteq/buffer_level_filter.cc
index 0ccc7bb53d..2c42d0d13f 100644
--- a/modules/audio_coding/neteq/buffer_level_filter.cc
+++ b/modules/audio_coding/neteq/buffer_level_filter.cc
@@ -45,7 +45,8 @@ void BufferLevelFilter::Update(size_t buffer_size_samples,
 }
 
 void BufferLevelFilter::SetFilteredBufferLevel(int buffer_size_samples) {
-  filtered_current_level_ = buffer_size_samples * 256;
+  filtered_current_level_ =
+      rtc::saturated_cast<int>(int64_t{buffer_size_samples} * 256);
 }
 
 void BufferLevelFilter::SetTargetBufferLevel(int target_buffer_level_ms) {