diff --git a/tools/valgrind-webrtc/memcheck/suppressions.txt b/tools/valgrind-webrtc/memcheck/suppressions.txt
index faa594633d..055f5ff6b5 100644
--- a/tools/valgrind-webrtc/memcheck/suppressions.txt
+++ b/tools/valgrind-webrtc/memcheck/suppressions.txt
@@ -107,6 +107,33 @@
    fun:StartThread
 }
 
+{
+   bug_329_6
+   Memcheck:Param
+   socketcall.sendto(msg)
+   obj:/lib/x86_64-linux-gnu/libpthread-2.15.so
+   fun:_ZN6webrtc14UdpSocketPosix6SendToEPKaiRKNS_13SocketAddressE
+   fun:_ZN6webrtc16UdpTransportImpl10SendPacketEiPKvi
+   fun:_ZN6webrtc9ViESender10SendPacketEiPKvi
+   fun:_ZN6webrtc9RTPSender13SendToNetworkEPhttlNS_11StorageTypeE
+   fun:_ZN6webrtc14RTPSenderVideo15SendVideoPacketEPhttlNS_11StorageTypeEb
+   fun:_ZN6webrtc14RTPSenderVideo7SendVP8ENS_9FrameTypeEajlPKhjPKNS_22RTPFragmentationHeaderEPKNS_18RTPVideoTypeHeaderE
+   fun:_ZN6webrtc14RTPSenderVideo9SendVideoENS_18RtpVideoCodecTypesENS_9FrameTypeEajlPKhjPKNS_22RTPFragmentationHeaderEPNS_21VideoCodecInformationEPKNS_18RTPVideoTypeHeaderE
+   fun:_ZN6webrtc9RTPSender16SendOutgoingDataENS_9FrameTypeEajlPKhjPKNS_22RTPFragmentationHeaderEPNS_21VideoCodecInformationEPKNS_18RTPVideoTypeHeaderE
+   fun:_ZN6webrtc17ModuleRtpRtcpImpl16SendOutgoingDataENS_9FrameTypeEajlPKhjPKNS_22RTPFragmentationHeaderEPKNS_14RTPVideoHeaderE
+   fun:_ZN6webrtc17ModuleRtpRtcpImpl16SendOutgoingDataENS_9FrameTypeEajlPKhjPKNS_22RTPFragmentationHeaderEPKNS_14RTPVideoHeaderE
+   fun:_ZN6webrtc10ViEEncoder8SendDataENS_9FrameTypeEhjlPKhjRKNS_22RTPFragmentationHeaderEPKNS_14RTPVideoHeaderE
+   fun:_ZN6webrtc23VCMEncodedFrameCallback7EncodedERNS_12EncodedImageEPKNS_17CodecSpecificInfoEPKNS_22RTPFragmentationHeaderE
+   fun:_ZN6webrtc14VP8EncoderImpl20GetEncodedPartitionsERKNS_10VideoFrameE
+   fun:_ZN6webrtc14VP8EncoderImpl6EncodeERKNS_10VideoFrameEPKNS_17CodecSpecificInfoENS_14VideoFrameTypeE
+   fun:_ZN6webrtc17VCMGenericEncoder6EncodeERKNS_10VideoFrameEPKNS_17CodecSpecificInfoENS_9FrameTypeE
+   fun:_ZN6webrtc21VideoCodingModuleImpl13AddVideoFrameERKNS_10VideoFrameEPKNS_19VideoContentMetricsEPKNS_17CodecSpecificInfoE
+   fun:_ZN6webrtc10ViEEncoder12DeliverFrameEiPNS_10VideoFrameEiPKj
+   fun:_ZN6webrtc20ViEFrameProviderBase12DeliverFrameEPNS_10VideoFrameEiPKj
+   fun:_ZN6webrtc11ViECapturer16DeliverI420FrameEPNS_10VideoFrameE
+   fun:_ZN6webrtc11ViECapturer17ViECaptureProcessEv
+}
+
 {
    bug_891
    Memcheck:Unaddressable