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Bug report: acrobat_compat accumulating crash dumps


J B
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Hello,

I have noticed that crashdumps labelled dllhost.exe.<number>.dmp have been accumulating.

I opened several of the files and they all contain an exception generated by acrobat_compat.

The text produced by the analyze command of WinDbg is below, since there doesn't seem to be a means of attaching a text file.

Nitro Pro version 13.47.4.957, but I noticed this thing happening with version 12 also.

Best regards, JB

----begin----

Loading Dump File [C:~\AppData\Local\CrashDumps\dllhost.exe(1).4148.dmp]
User Mini Dump File: Only registers, stack and portions of memory are available
 
************* Path validation summary **************
Response                         Time (ms)     Location
Deferred                                       srv*
Symbol search path is: srv*
Executable search path is: 
Windows 10 Version 19043 MP (64 procs) Free x64
Product: WinNt, suite: SingleUserTS
Edition build lab: 19041.1.amd64fre.vb_release.191206-1406
Machine Name:
Debug session time: Sun Sep 26 10:29:40.000 2021 (UTC + 1:00)
System Uptime: not available
Process Uptime: 1 days 0:35:04.000
.................................................
Loading unloaded module list
............................
This dump file has an exception of interest stored in it.
The stored exception information can be accessed via .ecxr.
(1034.5530): Access violation - code c0000005 (first/second chance not available)
For analysis of this file, run !analyze -v
ntdll!NtWaitForMultipleObjects+0x14:
00007ffe`216ed8c4 c3              ret
0:001> !analyze -v
*******************************************************************************
*                                                                             *
*                        Exception Analysis                                   *
*                                                                             *
*******************************************************************************
 
KEY_VALUES_STRING: 1
 
    Key  : AV.Dereference
    Value: NullClassPtr
 
    Key  : AV.Fault
    Value: Write
 
    Key  : Analysis.CPU.mSec
    Value: 1108
 
    Key  : Analysis.DebugAnalysisManager
    Value: Create
 
    Key  : Analysis.Elapsed.mSec
    Value: 21991
 
    Key  : Analysis.Init.CPU.mSec
    Value: 1077
 
    Key  : Analysis.Init.Elapsed.mSec
    Value: 175821
 
    Key  : Analysis.Memory.CommitPeak.Mb
    Value: 117
 
    Key  : Timeline.Process.Start.DeltaSec
    Value: 88504
 
    Key  : WER.OS.Branch
    Value: vb_release
 
    Key  : WER.OS.Timestamp
    Value: 2019-12-06T14:06:00Z
 
    Key  : WER.OS.Version
    Value: 10.0.19041.1
 
    Key  : WER.Process.Version
    Value: 10.0.19041.546
 
NTGLOBALFLAG:  0
 
APPLICATION_VERIFIER_FLAGS:  0
 
CONTEXT:  (.ecxr)
rax=0000000000000000 rbx=00007ffe0484b350 rcx=00007ffe0484b350
rdx=00000000fffffffa rsi=0000000000000000 rdi=0000000000000000
rip=00007ffe216b3416 rsp=000000487edff010 rbp=000001fd228b6d00
 r8=0000000000000000  r9=00007ffe0484b300 r10=0000ea4fbba63349
r11=0000ea4fbba631ed r12=0000000000000000 r13=000000487e764000
r14=0000000000000001 r15=0000000000000000
iopl=0         nv up ei pl nz ac pe cy
cs=0033  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00010213
ntdll!RtlpWaitOnCriticalSection+0xa6:
00007ffe`216b3416 ff4024          inc     dword ptr [rax+24h] ds:00000000`00000024=????????
Resetting default scope
 
EXCEPTION_RECORD:  (.exr -1)
ExceptionAddress: 00007ffe216b3416 (ntdll!RtlpWaitOnCriticalSection+0x00000000000000a6)
   ExceptionCode: c0000005 (Access violation)
  ExceptionFlags: 00000000
NumberParameters: 2
   Parameter[0]: 0000000000000001
   Parameter[1]: 0000000000000024
Attempt to write to address 0000000000000024
 
PROCESS_NAME:  dllhost.exe
 
WRITE_ADDRESS:  0000000000000024 
 
ERROR_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%p referenced memory at 0x%p. The memory could not be %s.
 
EXCEPTION_CODE_STR:  c0000005
 
EXCEPTION_PARAMETER1:  0000000000000001
 
EXCEPTION_PARAMETER2:  0000000000000024
 
STACK_TEXT:  
00000048`7edff010 00007ffe`2167fcb4     : 000001fd`228b78c0 00000000`00000000 00000000`fffffffa 00007ffe`20f9dd76 : ntdll!RtlpWaitOnCriticalSection+0xa6
00000048`7edff0f0 00007ffe`2167fae2     : 000001fd`24aec360 00000048`7edff2a0 00007ffe`0484b350 00007ffe`216a07b0 : ntdll!RtlpEnterCriticalSectionContended+0x1c4
00000048`7edff150 00007ffe`047f1c16     : 00000000`00000000 00007ffe`1f0d98bb 80004002`00000000 000001fd`00000001 : ntdll!RtlEnterCriticalSection+0x42
00000048`7edff180 00007ffe`047f1ad8     : 000001fd`228b6d28 00007ffe`0484b350 00002dbc`533d4312 00000048`7edff2e8 : acrobat_compat!ASGetErrorString+0xb46
00000048`7edff1e0 00007ffe`1ef142d6     : 0000cca1`7acc338a 00007ffe`216bacd7 00000000`00000000 00007ffe`1ef160ae : acrobat_compat!ASGetErrorString+0xa08
00000048`7edff220 00007ffe`1ef141fb     : 00000000`00000000 00000048`7edff2e8 00000000`00000000 00007ffe`1eff0e40 : ucrtbase!<lambda_f03950bc5685219e0bcd2087efbe011e>::operator()+0xa6
00000048`7edff270 00007ffe`1ef141b4     : 00000000`00000000 00000000`00000000 00007ffe`0020001e 00000048`7edff2d8 : ucrtbase!__crt_seh_guarded_call<int>::operator()<<lambda_7777bce6b2f8c936911f934f8298dc43>,<lambda_f03950bc5685219e0bcd2087efbe011e> &,<lambda_3883c3dff614d5e0c5f61bb1ac94921c> >+0x3b
00000048`7edff2a0 00007ffe`0482b16e     : 00007ffe`0484b6a8 00000048`00000002 00000000`00000002 00000048`7edff2d0 : ucrtbase!execute_onexit_table+0x34
00000048`7edff2d0 00007ffe`0482b294     : 00000000`00000001 00007ffe`21669800 00000000`00000000 00007ffe`090c33d5 : acrobat_compat!ASFileSysLegacyNameFromPathAsASText+0x3227e
00000048`7edff300 00007ffe`21669a1d     : 00007ffe`047f0000 00000000`00000000 00000000`00000000 00000000`7ffe0385 : acrobat_compat!ASFileSysLegacyNameFromPathAsASText+0x323a4
00000048`7edff360 00007ffe`216ba9cb     : 000001fd`22870ad0 00007ffe`047f0000 00007ffe`00000000 00000000`00000000 : ntdll!LdrpCallInitRoutine+0x61
00000048`7edff3d0 00007ffe`216ba427     : 000001fd`228bbed0 000001fd`22870b70 000001fd`249f3c30 000001fd`228bbed0 : ntdll!LdrpProcessDetachNode+0x107
00000048`7edff4a0 00007ffe`216ba678     : 000001fd`00000000 000001fd`249f3c30 00007ffe`217bb240 000001fd`228bc290 : ntdll!LdrpUnloadNode+0x3f
00000048`7edff4f0 00007ffe`2165fd0a     : 000001fd`00000001 000001fd`228bc290 00000048`7edff970 000001fd`228697e8 : ntdll!LdrpUnloadNode+0x290
00000048`7edff540 00007ffe`2165fc84     : 00000000`00000000 00000048`00000001 00000000`00000000 00007ffe`20f5f418 : ntdll!LdrpDecrementModuleLoadCountEx+0x72
00000048`7edff570 00007ffe`1f0a5d3e     : 00007ffe`09090000 000001fd`00000009 000001fd`228711f0 00000048`7edff978 : ntdll!LdrUnloadDll+0x94
00000048`7edff5a0 00007ffe`20f5f498     : 00000048`7edff978 00000048`7edff978 00000048`7edff650 00007ffe`20fc3d09 : KERNELBASE!FreeLibrary+0x1e
00000048`7edff5d0 00007ffe`20f44348     : 00000000`00000001 00000000`00000000 00000000`00000000 00000000`00000001 : combase!CClassCache::CDllPathEntry::CFinishObject::Finish+0x28
00000048`7edff600 00007ffe`20f43955     : 00000048`7edff650 00000000`00000001 00000048`7edff650 00000000`00000001 : combase!CClassCache::CFinishComposite::Finish+0x4c
00000048`7edff630 00007ffe`20f79679     : 00005530`00000003 00000000`00000000 00000000`ffffffff 00000000`00000000 : combase!CClassCache::FreeUnused+0xdd
00000048`7edff9e0 00007ffe`203df15e     : 00000000`00000001 00000000`80006010 00000000`00000000 000001fd`228580c0 : combase!CoFreeUnusedLibrariesEx+0x89
00000048`7edffa20 00007ffe`203de16b     : 000001fd`228580c0 00007ffe`20f78e90 000001fd`2309fc20 00007ffe`00000113 : user32!UserCallWinProc+0x2ae
00000048`7edffba0 00007ffe`20f792f1     : 00000048`7edffc60 000001fd`228580c0 00000000`000108a0 00000000`00040005 : user32!DispatchMessageWorker+0x18b
00000048`7edffc20 00007ffe`20f791e0     : 000001fd`228580c0 00007ffe`211e66f0 00000000`00000100 00007ffe`211e66f0 : combase!CDllHost::STAWorkerLoop+0xad
00000048`7edffca0 00007ffe`20faae50     : 000001fd`228580c0 000001fd`22842100 00000000`00000000 00000000`00000000 : combase!CDllHost::WorkerThread+0xd4
00000048`7edffce0 00007ffe`20faadd9     : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : combase!CRpcThread::WorkerLoop+0x4c
00000048`7edffd40 00007ffe`21497034     : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : combase!CRpcThreadCache::RpcWorkerThreadEntry+0x29
00000048`7edffd70 00007ffe`216a2651     : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : kernel32!BaseThreadInitThunk+0x14
00000048`7edffda0 00000000`00000000     : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : ntdll!RtlUserThreadStart+0x21
 
SYMBOL_NAME:  acrobat_compat!ASGetErrorString+b46
 
MODULE_NAME: acrobat_compat
 
IMAGE_NAME:  acrobat_compat.dll
 
STACK_COMMAND:  ~1s ; .ecxr ; kb
 
FAILURE_BUCKET_ID:  NULL_CLASS_PTR_WRITE_c0000005_acrobat_compat.dll!ASGetErrorString
 
OS_VERSION:  10.0.19041.1
 
BUILDLAB_STR:  vb_release
 
OSPLATFORM_TYPE:  x64
 
OSNAME:  Windows 10
 
IMAGE_VERSION:  13.47.4.957
 
FAILURE_ID_HASH:  {cbc3bd7d-dccd-260c-4dcc-7bd144ddbee9}
 
Followup:     MachineOwner
---------
----end----
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