initialize values (padding etc) help asan/msan tests

src/BulletCollision/BroadphaseCollision/btQuantizedBvh.cpp

@@ -1336,6 +1336,8 @@ const char*	btQuantizedBvh::serialize(void* dataBuffer, btSerializer* serializer
 			memPtr->m_escapeIndex = m_contiguousNodes[i].m_escapeIndex;
 			memPtr->m_subPart = m_contiguousNodes[i].m_subPart;
 			memPtr->m_triangleIndex = m_contiguousNodes[i].m_triangleIndex;
+			// Fill padding with zeros to appease msan.
+			memset(memPtr->m_pad, 0, sizeof(memPtr->m_pad));
 		}
 		serializer->finalizeChunk(chunk,"btOptimizedBvhNodeData",BT_ARRAY_CODE,(void*)&m_contiguousNodes[0]);
 	}

src/BulletCollision/CollisionDispatch/btCollisionObject.cpp

@@ -18,7 +18,9 @@ subject to the following restrictions:
 #include "LinearMath/btSerializer.h"
 
 btCollisionObject::btCollisionObject()
-	:	m_anisotropicFriction(1.f,1.f,1.f),
+	:	m_interpolationLinearVelocity(0.f, 0.f, 0.f),
+		m_interpolationAngularVelocity(0.f, 0.f, 0.f),
+		m_anisotropicFriction(1.f,1.f,1.f),
 		m_hasAnisotropicFriction(false),
 		m_contactProcessingThreshold(BT_LARGE_FLOAT),
 		m_broadphaseHandle(0),
@@ -48,6 +50,7 @@ btCollisionObject::btCollisionObject()
 		m_updateRevision(0)
 {
 	m_worldTransform.setIdentity();
+	m_interpolationWorldTransform.setIdentity();
 }
 
 btCollisionObject::~btCollisionObject()
@@ -112,6 +115,9 @@ const char* btCollisionObject::serialize(void* dataBuffer, btSerializer* seriali
 	dataOut->m_ccdMotionThreshold = m_ccdMotionThreshold;
 	dataOut->m_checkCollideWith = m_checkCollideWith;
 
+	// Fill padding with zeros to appease msan.
+	memset(dataOut->m_padding, 0, sizeof(dataOut->m_padding));
+
 	return btCollisionObjectDataName;
 }
 

src/BulletCollision/CollisionShapes/btBvhTriangleMeshShape.cpp

@@ -437,6 +437,9 @@ const char*	btBvhTriangleMeshShape::serialize(void* dataBuffer, btSerializer* se
 		trimeshData->m_triangleInfoMap = 0;
 	}
 
+	// Fill padding with zeros to appease msan.
+	memset(trimeshData->m_pad3, 0, sizeof(trimeshData->m_pad3));
+
 	return "btTriangleMeshShapeData";
 }
 

src/BulletCollision/CollisionShapes/btCapsuleShape.h

@@ -169,6 +169,12 @@ SIMD_FORCE_INLINE	const char*	btCapsuleShape::serialize(void* dataBuffer, btSeri
 
 	shapeData->m_upAxis = m_upAxis;
 
+	// Fill padding with zeros to appease msan.
+	shapeData->m_padding[0] = 0;
+	shapeData->m_padding[1] = 0;
+	shapeData->m_padding[2] = 0;
+	shapeData->m_padding[3] = 0;
+
 	return "btCapsuleShapeData";
 }
 

src/BulletCollision/CollisionShapes/btCollisionShape.cpp

@@ -106,7 +106,10 @@ const char*	btCollisionShape::serialize(void* dataBuffer, btSerializer* serializ
 		serializer->serializeName(name);
 	}
 	shapeData->m_shapeType = m_shapeType;
-	//shapeData->m_padding//??
+
+	// Fill padding with zeros to appease msan.
+	memset(shapeData->m_padding, 0, sizeof(shapeData->m_padding));
+
 	return "btCollisionShapeData";
 }
 

src/BulletCollision/CollisionShapes/btConeShape.h

@@ -173,6 +173,12 @@ SIMD_FORCE_INLINE	const char*	btConeShape::serialize(void* dataBuffer, btSeriali
 
 	shapeData->m_upIndex = m_coneIndices[1];
 
+	// Fill padding with zeros to appease msan.
+	shapeData->m_padding[0] = 0;
+	shapeData->m_padding[1] = 0;
+	shapeData->m_padding[2] = 0;
+	shapeData->m_padding[3] = 0;
+
 	return "btConeShapeData";
 }
 

src/BulletCollision/CollisionShapes/btConvexHullShape.cpp

@@ -212,6 +212,9 @@ const char*	btConvexHullShape::serialize(void* dataBuffer, btSerializer* seriali
 		serializer->finalizeChunk(chunk,btVector3DataName,BT_ARRAY_CODE,(void*)&m_unscaledPoints[0]);
 	}
 
+	// Fill padding with zeros to appease msan.
+	memset(shapeData->m_padding3, 0, sizeof(shapeData->m_padding3));
+
 	return "btConvexHullShapeData";
 }
 

src/BulletCollision/CollisionShapes/btConvexInternalShape.h

@@ -172,6 +172,9 @@ SIMD_FORCE_INLINE	const char*	btConvexInternalShape::serialize(void* dataBuffer,
 	m_localScaling.serializeFloat(shapeData->m_localScaling);
 	shapeData->m_collisionMargin = float(m_collisionMargin);
 
+	// Fill padding with zeros to appease msan.
+	shapeData->m_padding = 0;
+
 	return "btConvexInternalShapeData";
 }
 

src/BulletCollision/CollisionShapes/btCylinderShape.h

@@ -204,6 +204,12 @@ SIMD_FORCE_INLINE	const char*	btCylinderShape::serialize(void* dataBuffer, btSer
 
 	shapeData->m_upAxis = m_upAxis;
 
+	// Fill padding with zeros to appease msan.
+	shapeData->m_padding[0] = 0;
+	shapeData->m_padding[1] = 0;
+	shapeData->m_padding[2] = 0;
+	shapeData->m_padding[3] = 0;
+
 	return "btCylinderShapeData";
 }
 

src/BulletCollision/CollisionShapes/btMultiSphereShape.cpp

@@ -176,6 +176,9 @@ const char*	btMultiSphereShape::serialize(void* dataBuffer, btSerializer* serial
 		serializer->finalizeChunk(chunk,"btPositionAndRadius",BT_ARRAY_CODE,(void*)&m_localPositionArray[0]);
 	}
 
+	// Fill padding with zeros to appease msan.
+	memset(shapeData->m_padding, 0, sizeof(shapeData->m_padding));
+
 	return "btMultiSphereShapeData";
 }
 

src/BulletCollision/CollisionShapes/btStaticPlaneShape.h

@@ -95,6 +95,12 @@ SIMD_FORCE_INLINE	const char*	btStaticPlaneShape::serialize(void* dataBuffer, bt
 	m_planeNormal.serializeFloat(planeData->m_planeNormal);
 	planeData->m_planeConstant = float(m_planeConstant);
 
+	// Fill padding with zeros to appease msan.
+	planeData->m_pad[0] = 0;
+	planeData->m_pad[1] = 0;
+	planeData->m_pad[2] = 0;
+	planeData->m_pad[3] = 0;
+
 	return "btStaticPlaneShapeData";
 }
 

src/BulletCollision/CollisionShapes/btStridingMeshInterface.cpp

@@ -293,6 +293,9 @@ const char*	btStridingMeshInterface::serialize(void* dataBuffer, btSerializer* s
 							tmpIndices[gfxindex].m_values[0] = tri_indices[0];
 							tmpIndices[gfxindex].m_values[1] = tri_indices[1];
 							tmpIndices[gfxindex].m_values[2] = tri_indices[2];
+							// Fill padding with zeros to appease msan.
+							tmpIndices[gfxindex].m_pad[0] = 0;
+							tmpIndices[gfxindex].m_pad[1] = 0;
 						}
 						serializer->finalizeChunk(chunk,"btShortIntIndexTripletData",BT_ARRAY_CODE,(void*)chunk->m_oldPtr);
 					}
@@ -311,6 +314,8 @@ const char*	btStridingMeshInterface::serialize(void* dataBuffer, btSerializer* s
 							tmpIndices[gfxindex].m_values[0] = tri_indices[0];
 							tmpIndices[gfxindex].m_values[1] = tri_indices[1];
 							tmpIndices[gfxindex].m_values[2] = tri_indices[2];
+							// Fill padding with zeros to appease msan.
+							tmpIndices[gfxindex].m_pad = 0;
 						}
 						serializer->finalizeChunk(chunk,"btCharIndexTripletData",BT_ARRAY_CODE,(void*)chunk->m_oldPtr);
 					}
@@ -375,6 +380,8 @@ const char*	btStridingMeshInterface::serialize(void* dataBuffer, btSerializer* s
 		serializer->finalizeChunk(chunk,"btMeshPartData",BT_ARRAY_CODE,chunk->m_oldPtr);
 	}
 
+	// Fill padding with zeros to appease msan.
+	memset(trimeshData->m_padding, 0, sizeof(trimeshData->m_padding));
 
 	m_scaling.serializeFloat(trimeshData->m_scaling);
 	return "btStridingMeshInterfaceData";

src/BulletCollision/CollisionShapes/btTriangleInfoMap.h

@@ -195,6 +195,13 @@ SIMD_FORCE_INLINE	const char*	btTriangleInfoMap::serialize(void* dataBuffer, btS
 		serializer->finalizeChunk(chunk,"int",BT_ARRAY_CODE,(void*) &m_keyArray[0]);
 
 	}
+
+	// Fill padding with zeros to appease msan.
+	tmapData->m_padding[0] = 0;
+	tmapData->m_padding[1] = 0;
+	tmapData->m_padding[2] = 0;
+	tmapData->m_padding[3] = 0;
+
 	return "btTriangleInfoMapData";
 }
 

src/BulletDynamics/ConstraintSolver/btGearConstraint.h

@@ -141,6 +141,14 @@ SIMD_FORCE_INLINE	const char*	btGearConstraint::serialize(void* dataBuffer, btSe
 
 	gear->m_ratio = m_ratio;
 
+	// Fill padding with zeros to appease msan.
+#ifndef BT_USE_DOUBLE_PRECISION
+	gear->m_padding[0] = 0;
+	gear->m_padding[1] = 0;
+	gear->m_padding[2] = 0;
+	gear->m_padding[3] = 0;
+#endif
+
 	return btGearConstraintDataName;
 }
 

src/BulletDynamics/ConstraintSolver/btGeneric6DofSpring2Constraint.h

@@ -664,6 +664,11 @@ SIMD_FORCE_INLINE const char* btGeneric6DofSpring2Constraint::serialize(void* da
 
 	dof->m_rotateOrder = m_rotateOrder;
 
+	dof->m_padding1[0] = 0;
+	dof->m_padding1[1] = 0;
+	dof->m_padding1[2] = 0;
+	dof->m_padding1[3] = 0;
+
 	return btGeneric6DofSpring2ConstraintDataName;
 }
 

src/BulletDynamics/ConstraintSolver/btHingeConstraint.h

@@ -489,6 +489,14 @@ SIMD_FORCE_INLINE	const char*	btHingeConstraint::serialize(void* dataBuffer, btS
 	hingeData->m_relaxationFactor = float(m_relaxationFactor);
 #endif
 
+	// Fill padding with zeros to appease msan.
+#ifdef BT_USE_DOUBLE_PRECISION
+	hingeData->m_padding1[0] = 0;
+	hingeData->m_padding1[1] = 0;
+	hingeData->m_padding1[2] = 0;
+	hingeData->m_padding1[3] = 0;
+#endif
+
 	return btHingeConstraintDataName;
 }
 

src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp

@@ -1511,6 +1511,9 @@ void	btDiscreteDynamicsWorld::serializeDynamicsWorldInfo(btSerializer* serialize
 
 		worldInfo->m_solverInfo.m_splitImpulse = getSolverInfo().m_splitImpulse;
 
+		// Fill padding with zeros to appease msan.
+		memset(worldInfo->m_solverInfo.m_padding, 0, sizeof(worldInfo->m_solverInfo.m_padding));
+
 #ifdef BT_USE_DOUBLE_PRECISION
 		const char* structType = "btDynamicsWorldDoubleData";
 #else//BT_USE_DOUBLE_PRECISION

src/BulletDynamics/Dynamics/btRigidBody.cpp

@@ -507,6 +507,11 @@ const char*	btRigidBody::serialize(void* dataBuffer, class btSerializer* seriali
 	rbd->m_linearSleepingThreshold=m_linearSleepingThreshold;
 	rbd->m_angularSleepingThreshold = m_angularSleepingThreshold;
 
+	// Fill padding with zeros to appease msan.
+#ifdef BT_USE_DOUBLE_PRECISION
+	memset(rbd->m_padding, 0, sizeof(rbd->m_padding));
+#endif
+
 	return btRigidBodyDataName;
 }
 

src/BulletDynamics/Featherstone/btMultiBody.cpp

@@ -2013,5 +2013,10 @@ const char*	btMultiBody::serialize(void* dataBuffer, class btSerializer* seriali
 		}
 		mbd->m_links = mbd->m_numLinks? (btMultiBodyLinkData*) serializer->getUniquePointer((void*)&m_links[0]):0;
 
+		// Fill padding with zeros to appease msan.
+#ifdef BT_USE_DOUBLE_PRECISION
+		memset(mbd->m_padding, 0, sizeof(mbd->m_padding));
+#endif
+
 		return btMultiBodyDataName;
 }