Occur Activex Crash


Occur Activex Crash

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hyo haeng
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Last Active: 2 Years Ago
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Hi..

we used 'scvncctrl.dll(version:3.5.6.0)'..

that version occur crash..

So I asked and I received answer that upgrade version.

we upgraded 'scvncctrl.dll(version: 3.6.2.0)' module

but crash is still the same.

we struggle to bypass this problem..but we couldn't

crash occurrence situation is as follows:

1.  occur unknown error(10038)

  -> i think socket is wrong..

http://cfile4.uf.tistory.com/image/24269E4255C4172801F7AF




2. if click  'ok ' button, occur crash..

Let see the dump.

crash position is as follows.

////////////////////////////////

FAULTING_IP:
scvncctrl+37a0d
66867a0d 80be364e000000  cmp     byte ptr [esi+4E36h],0

EXCEPTION_RECORD:  ffffffff -- (.exr 0xffffffffffffffff)
ExceptionAddress: 66867a0d (scvncctrl+0x00037a0d)
   ExceptionCode: c0000005 (Access violation)
  ExceptionFlags: 00000000
NumberParameters: 2
   Parameter[0]: 00000000
   Parameter[1]: 0027bc1e
Attempt to read from address 0027bc1e

CONTEXT:  00000000 -- (.cxr 0x0;r)
eax=016b0048 ebx=016c1020 ecx=015807e8 edx=679652b0 esi=016c0fe0 edi=0047a5dc
eip=778964f4 esp=0047a29c ebp=0047a2ac iopl=0         nv up ei pl zr na pe nc
cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00000246
ntdll!KiFastSystemCallRet:
778964f4 c3              ret

PROCESS_NAME:  GYOperatorCli.exe

ERROR_CODE: (NTSTATUS) 0xc0000005 - 0x%08lx

EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - 0x%08lx

EXCEPTION_PARAMETER1:  00000000

EXCEPTION_PARAMETER2:  0027bc1e

READ_ADDRESS:  0027bc1e

FOLLOWUP_IP:
scvncctrl+37a0d
66867a0d 80be364e000000  cmp     byte ptr [esi+4E36h],0


APP:  gyoperatorcli.exe

ANALYSIS_VERSION: 6.3.9600.16384 (debuggers(dbg).130821-1623) amd64fre

FAULTING_THREAD:  0000092c

BUGCHECK_STR:  APPLICATION_FAULT_INVALID_POINTER_READ_AFTER_CALL

PRIMARY_PROBLEM_CLASS:  INVALID_POINTER_READ_AFTER_CALL

DEFAULT_BUCKET_ID:  INVALID_POINTER_READ_AFTER_CALL

LAST_CONTROL_TRANSFER:  from 777986ef to 66867a0d

STACK_TEXT: 
WARNING: Stack unwind information not available. Following frames may be wrong.
0047b390 777986ef 005f030e 00000308 0022020e scvncctrl+0x37a0d
0047b3bc 77798876 66865920 005f030e 00000308 user32!InternalCallWinProc+0x23
0047b434 777970f4 00000000 66865920 005f030e user32!UserCallWinProcCheckWow+0x14b
0047b490 7779738f 006ed948 00000308 0022020e user32!DispatchClientMessage+0xda
0047b4b8 7789642e 0047b4d0 00000018 0047b9a0 user32!__fnDWORD+0x24
0047b4c0 00000000 0047b9a0 778963e0 006ed948 ntdll!KiUserCallbackDispatcher+0x2e


STACK_COMMAND:  ~0s; .ecxr ; kb

SYMBOL_STACK_INDEX:  0

SYMBOL_NAME:  scvncctrl+37a0d

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: scvncctrl

IMAGE_NAME:  scvncctrl.dll

DEBUG_FLR_IMAGE_TIMESTAMP:  559275f1

FAILURE_BUCKET_ID:  INVALID_POINTER_READ_AFTER_CALL_c0000005_scvncctrl.dll!Unknown

BUCKET_ID:  APPLICATION_FAULT_INVALID_POINTER_READ_AFTER_CALL_scvncctrl+37a0d

ANALYSIS_SOURCE:  UM

FAILURE_ID_HASH_STRING:  um:invalid_pointer_read_after_call_c0000005_scvncctrl.dll!unknown

FAILURE_ID_HASH:  {6941eb48-83e6-2bfe-1350-393dc87c265e}

/////////////////////////////////////////////////////////////////////////////////////




can you see?

red text is crash cause..

I attach dump file and pdb..

please check dump data ..

how to bypass this problem?

I wait for a reply.




















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