Fix ImsMedia crash when downgrading to audio call in CFI test

Modify to add null assign to prevent the dangling pointer access

Bug: 262366645
Test: Video/Text loopback test with ImsMediaTestingApp, atest
ImsMediaNativeTests

Change-Id: I09b297d394953416e4bf08125aea789c0aa00584

1 files changed, 3 insertions, 0 deletions

diff --git a/service/src/com/android/telephony/imsmedia/lib/libimsmedia/core/video/VideoSession.cpp b/service/src/com/android/telephony/imsmedia/lib/libimsmedia/core/video/VideoSession.cpp
index 8d9e0e38..88b74abf 100644
--- a/service/src/com/android/telephony/imsmedia/lib/libimsmedia/core/video/VideoSession.cpp
+++ b/service/src/com/android/telephony/imsmedia/lib/libimsmedia/core/video/VideoSession.cpp
@@ -43,6 +43,7 @@ VideoSession::~VideoSession()
         }
 
         delete mGraphRtpTx;
+        mGraphRtpTx = NULL;
     }
 
     if (mGraphRtpRx != NULL)
@@ -53,6 +54,7 @@ VideoSession::~VideoSession()
         }
 
         delete mGraphRtpRx;
+        mGraphRtpRx = NULL;
     }
 
     if (mGraphRtcp != NULL)
@@ -63,6 +65,7 @@ VideoSession::~VideoSession()
         }
 
         delete mGraphRtcp;
+        mGraphRtcp = NULL;
     }
 }