Description

No user comments in crash group

  686       		// Iterate over all chunks, serialize them into memory and decompress them directly into the destination pointer
  687       		for( int64 ChunkIndex=0; ChunkIndex<TotalChunkCount; ChunkIndex++ )
  688       		{
  689       			const FCompressedChunkInfo& Chunk = CompressionChunks[ChunkIndex];
  690       			// Read compressed data.
  691       			Serialize( CompressedBuffer, Chunk.CompressedSize );
  692       			// Decompress into dest pointer directly.
  693       			verify( FCompression::UncompressMemory( Flags, Dest, Chunk.UncompressedSize, CompressedBuffer, Chunk.CompressedSize, (Padding > 0) ? true : false, CompressionBitWindow ) ); //-V547
  694       			// And advance it by read amount.
  695 ***** 			Dest += Chunk.UncompressedSize;
  696       		}
  697       
  698       		// Free up allocated memory.
  699       		FMemory::Free( CompressedBuffer );
  700       		delete [] CompressionChunks;
  701       	}
Steps to Reproduce

No known steps to reproduce

Callstack
Assertion failed: FCompression::UncompressMemory( Flags, Dest, Chunk.UncompressedSize, CompressedBuffer, Chunk.CompressedSize, (Padding > 0) ? true : false, CompressionBitWindow ) [File:D:\Build\++UE4+Release-4.20+Compile\Sync\Engine\Source\Runtime\Core\Private\Serialization\Archive.cpp] [Line: 694]

UE4Editor_Core!FArchive::SerializeCompressed() [archive.cpp:696]
UE4Editor_CoreUObject!FUntypedBulkData::SerializeBulkData() [bulkdata.cpp:1252]
UE4Editor_CoreUObject!FUntypedBulkData::AsyncLoadBulkData() [bulkdata.cpp:707]
UE4Editor_CoreUObject!FUntypedBulkData::LoadBulkDataWithFileReader() [bulkdata.cpp:610]
UE4Editor_Engine!FTextureCacheDerivedDataWorker::FTextureSourceData::GetAsyncSourceMips() [texturederiveddatatask.cpp:122]
UE4Editor_Engine!FTextureCacheDerivedDataWorker::DoWork() [texturederiveddatatask.cpp:308]
UE4Editor_Engine!FAsyncTask<FTextureCacheDerivedDataWorker>::DoWork() [asyncwork.h:264]
UE4Editor_Engine!FAsyncTask<FTextureCacheDerivedDataWorker>::DoThreadedWork() [asyncwork.h:288]
UE4Editor_Core!FQueuedThread::Run() [threadingbase.cpp:455]
UE4Editor_Core!FRunnableThreadWin::Run() [windowsrunnablethread.cpp:76]

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Unresolved
ComponentCore
Affects Versions4.204.214.224.234.24
CreatedJun 12, 2018
UpdatedMar 13, 2020