https://bugs.winehq.org/show_bug.cgi?id=26108
--- Comment #4 from Austin English austinenglish@gmail.com --- Still in 1.7.41. ==13944== Conditional jump or move depends on uninitialised value(s) ==13944== at 0x4AC3B03: StorageImpl_CreateDirEntry (storage32.c:1285) ==13944== by 0x4AC2154: StorageBaseImpl_CreateDirEntry (storage32.h:281) ==13944== by 0x4AC33DE: StorageBaseImpl_CreateStream (storage32.c:1020) ==13944== by 0x4AD10E1: IStorage_CreateStream (objidl.h:4930) ==13944== by 0x4AD10E1: STORAGE_CreateOleStream (???:0) ==13944== by 0x4A911C0: DefaultHandler_IPersistStorage_InitNew (defaulthandler.c:1659) ==13944== by 0x4881F8D: IPersistStorage_InitNew (objidl.h:5460) ==13944== by 0x4881F8D: test_olestream (???:0) ==13944== by 0x4882F15: func_defaulthandler (defaulthandler.c:315) ==13944== by 0x48D5D00: run_test (test.h:584) ==13944== by 0x48D613A: main (test.h:666) ==13944== Uninitialised value was created by a client request ==13944== at 0x7BC49C27: mark_block_uninitialized (heap.c:208) ==13944== by 0x7BC49D7A: initialize_block (heap.c:239) ==13944== by 0x7BC4E730: RtlReAllocateHeap (heap.c:1904) ==13944== by 0x7B842C5A: HeapReAlloc (heap.c:281) ==13944== by 0x7B8438A7: GlobalReAlloc (heap.c:680) ==13944== by 0x4AA59E9: HGLOBALLockBytesImpl_SetSize (memlockbytes.c:429) ==13944== by 0x4AC6B88: ILockBytes_SetSize (objidl.h:5759) ==13944== by 0x4AC6B88: StorageImpl_Refresh (???:0) ==13944== by 0x4AC717C: StorageImpl_Construct (storage32.c:3325) ==13944== by 0x4ACC078: Storage_Construct (storage32.c:6103) ==13944== by 0x4ACFDFB: StgCreateDocfileOnILockBytes (storage32.c:8682) ==13944== by 0x4881D78: create_storage (defaulthandler.c:75) ==13944== by 0x4881DF3: test_olestream (defaulthandler.c:103) ==13944== by 0x4882F15: func_defaulthandler (defaulthandler.c:315) ==13944== by 0x48D5D00: run_test (test.h:584) ==13944== by 0x48D613A: main (test.h:666) ==13944==