Fixing integer overflow when parsing bandwidth attribute.

webrtc/api/webrtcsdp.cc

Index: webrtc/api/webrtcsdp.cc
diff --git a/webrtc/api/webrtcsdp.cc b/webrtc/api/webrtcsdp.cc
index 69a1af28adc70a077d73a10e09bb6bf663283b83..817b16f92f55e4af303014c2dc8fd5261ca25b56 100644
--- a/webrtc/api/webrtcsdp.cc
+++ b/webrtc/api/webrtcsdp.cc
@@ -2597,6 +2597,8 @@ bool ParseContent(const std::string& message,
                         << cricket::kDataMaxBandwidth / 1000 << "kbps.";
             return ParseFailed(line, description.str(), error);
           }
+          // Prevent integer overflow.
+          b = std::min(b, INT_MAX / 1000);
           media_desc->set_bandwidth(b * 1000);
         }
       }