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Crashed (Access Violation 0xC0000005) #23648

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opened 2026-01-31 08:48:11 +00:00 by claunia · 2 comments
claunia commented 2026-01-31 08:48:11 +00:00
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Originally created by @edcdecl on GitHub (Sep 26, 2025).

Windows Terminal version

1.22.12111.0

Windows build number

10.0.26100.6584

Other Software

No response

Steps to reproduce

Merge two Terminal windows into one.

Expected Behavior

Don't crash.

Actual Behavior

Crashes.

Crash dump: WindowsTerminal.exe.24516.dmp

From Event Viewer:

Faulting application name: WindowsTerminal.exe, version: 1.22.2507.30001, time stamp: 0x688a554b
Faulting module name: Microsoft.Terminal.Control.dll, version: 1.22.2507.30001, time stamp: 0x688a5389
Exception code: 0xc0000005
Fault offset: 0x0000000000067fe2
Faulting process id: 0x5FC4
Faulting application start time: 0x1DC2E6DB4D6D130
Faulting application path: C:\Program Files\WindowsApps\Microsoft.WindowsTerminal_1.22.12111.0_x64__8wekyb3d8bbwe\WindowsTerminal.exe
Faulting module path: C:\Program Files\WindowsApps\Microsoft.WindowsTerminal_1.22.12111.0_x64__8wekyb3d8bbwe\Microsoft.Terminal.Control.dll
Report Id: 9cf28a6d-0028-4510-8ce2-19ba1da650b7
Faulting package full name: Microsoft.WindowsTerminal_1.22.12111.0_x64__8wekyb3d8bbwe
Faulting package-relative application ID: App
Originally created by @edcdecl on GitHub (Sep 26, 2025). ### Windows Terminal version 1.22.12111.0 ### Windows build number 10.0.26100.6584 ### Other Software _No response_ ### Steps to reproduce Merge two Terminal windows into one. ### Expected Behavior Don't crash. ### Actual Behavior Crashes. Crash dump: [WindowsTerminal.exe.24516.dmp](https://github.com/user-attachments/files/22549368/WindowsTerminal.exe.24516.dmp) From Event Viewer: ``` Faulting application name: WindowsTerminal.exe, version: 1.22.2507.30001, time stamp: 0x688a554b Faulting module name: Microsoft.Terminal.Control.dll, version: 1.22.2507.30001, time stamp: 0x688a5389 Exception code: 0xc0000005 Fault offset: 0x0000000000067fe2 Faulting process id: 0x5FC4 Faulting application start time: 0x1DC2E6DB4D6D130 Faulting application path: C:\Program Files\WindowsApps\Microsoft.WindowsTerminal_1.22.12111.0_x64__8wekyb3d8bbwe\WindowsTerminal.exe Faulting module path: C:\Program Files\WindowsApps\Microsoft.WindowsTerminal_1.22.12111.0_x64__8wekyb3d8bbwe\Microsoft.Terminal.Control.dll Report Id: 9cf28a6d-0028-4510-8ce2-19ba1da650b7 Faulting package full name: Microsoft.WindowsTerminal_1.22.12111.0_x64__8wekyb3d8bbwe Faulting package-relative application ID: App ```
claunia added the Needs-TriageIssue-BugNeeds-Attention labels 2026-01-31 08:48:11 +00:00
claunia commented 2026-01-31 08:48:11 +00:00
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@DHowett commented on GitHub (Oct 1, 2025):

Thanks for the report! Do you remember what you were doing which led up to the crash? Or did it happen spontaneously?

@DHowett commented on GitHub (Oct 1, 2025): Thanks for the report! Do you remember what you were doing which led up to the crash? Or did it happen spontaneously?
claunia commented 2026-01-31 08:48:12 +00:00
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@edcdecl commented on GitHub (Oct 2, 2025):

I tried to merge 2 terminals that had 1 tab each by dragging the tab of one terminal to the other.
I don't know why it happened though and I can't seem to reproduce it.

Here's output from windbg !analyze -v:

0:024> !analyze -v
................................................................
................................................................
............
Loading unloaded module list
............
*******************************************************************************
*                                                                             *
*                        Exception Analysis                                   *
*                                                                             *
*******************************************************************************


KEY_VALUES_STRING: 1

    Key  : AV.Type
    Value: Read

    Key  : Analysis.CPU.mSec
    Value: 906

    Key  : Analysis.Elapsed.mSec
    Value: 6017

    Key  : Analysis.IO.Other.Mb
    Value: 0

    Key  : Analysis.IO.Read.Mb
    Value: 12

    Key  : Analysis.IO.Write.Mb
    Value: 146

    Key  : Analysis.Init.CPU.mSec
    Value: 1625

    Key  : Analysis.Init.Elapsed.mSec
    Value: 35765

    Key  : Analysis.Memory.CommitPeak.Mb
    Value: 195

    Key  : Analysis.Version.DbgEng
    Value: 10.0.27920.1001

    Key  : Analysis.Version.Description
    Value: 10.2506.23.01 amd64fre

    Key  : Analysis.Version.Ext
    Value: 1.2506.23.1

    Key  : Failure.Bucket
    Value: INVALID_POINTER_READ_c0000005_Microsoft.Terminal.Control.dll!Microsoft::Console::Render::Atlas::AtlasEngine::PaintCursor

    Key  : Failure.Exception.Code
    Value: 0xc0000005

    Key  : Failure.Exception.IP.Address
    Value: 0x7ff8b6167fe2

    Key  : Failure.Exception.IP.Module
    Value: Microsoft_Terminal_Control

    Key  : Failure.Exception.IP.Offset
    Value: 0x67fe2

    Key  : Failure.Hash
    Value: {1e1cbcd2-c583-6be2-18ab-d462fefe2321}

    Key  : Failure.ProblemClass.Primary
    Value: INVALID_POINTER_READ

    Key  : Timeline.OS.Boot.DeltaSec
    Value: 328105

    Key  : Timeline.Process.Start.DeltaSec
    Value: 2025

    Key  : WER.OS.Branch
    Value: ge_release

    Key  : WER.OS.Version
    Value: 10.0.26100.1

    Key  : WER.Process.Version
    Value: 1.22.2507.30001


FILE_IN_CAB:  WindowsTerminal.exe.24516.dmp

NTGLOBALFLAG:  400

APPLICATION_VERIFIER_FLAGS:  0

CONTEXT:  (.ecxr)
rax=00000215ab1caf20 rbx=00000215ab20a090 rcx=00000215ab20a090
rdx=00000000224e0281 rsi=0000000000000020 rdi=00000215ab1407f0
rip=00007ff8b6167fe2 rsp=0000004eb8bff9f0 rbp=00000215ab1407a8
 r8=0000000000000000  r9=0000000000000000 r10=000000000000001f
r11=0000010000000000 r12=0000000000000000 r13=0000000000000000
r14=0000000000000000 r15=0000000000000000
iopl=0         nv up ei pl zr na po nc
cs=0033  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00010246
Microsoft_Terminal_Control!Microsoft::Console::Render::Atlas::AtlasEngine::PaintCursor+0xa2:
00007ff8`b6167fe2 44388ac0000000  cmp     byte ptr [rdx+0C0h],r9b ds:00000000`224e0341=??
Resetting default scope

EXCEPTION_RECORD:  (.exr -1)
ExceptionAddress: 00007ff8b6167fe2 (Microsoft_Terminal_Control!Microsoft::Console::Render::Atlas::AtlasEngine::PaintCursor+0x00000000000000a2)
   ExceptionCode: c0000005 (Access violation)
  ExceptionFlags: 00000000
NumberParameters: 2
   Parameter[0]: 0000000000000000
   Parameter[1]: 00000000224e0341
Attempt to read from address 00000000224e0341

PROCESS_NAME:  WindowsTerminal.exe

READ_ADDRESS:  00000000224e0341 

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:  0000000000000000

EXCEPTION_PARAMETER2:  00000000224e0341

STACK_TEXT:  
0000004e`b8bff9f0 00007ff8`b613e08c     : 00000000`00000000 00000215`ab20a090 00000215`ab140790 00000215`ab140790 : Microsoft_Terminal_Control!Microsoft::Console::Render::Atlas::AtlasEngine::PaintCursor+0xa2
(Inline Function) --------`--------     : --------`-------- --------`-------- --------`-------- --------`-------- : Microsoft_Terminal_Control!Microsoft::Console::Render::Renderer::_PaintCursor+0x26
0000004e`b8bffa30 00007ff8`b613db50     : 00000000`00000000 00000215`ab140790 00000215`ab140798 00000000`000001c2 : Microsoft_Terminal_Control!Microsoft::Console::Render::Renderer::_PaintFrameForEngine+0x46c
0000004e`b8bffb50 00007ff8`b61411cd     : 00000215`ab1407a0 00000000`000001c2 00000000`00000000 00000000`00000000 : Microsoft_Terminal_Control!Microsoft::Console::Render::Renderer::_PaintFrame+0x190
(Inline Function) --------`--------     : --------`-------- --------`-------- --------`-------- --------`-------- : Microsoft_Terminal_Control!Microsoft::Console::Render::Renderer::PaintFrame+0x8
(Inline Function) --------`--------     : --------`-------- --------`-------- --------`-------- --------`-------- : Microsoft_Terminal_Control!Microsoft::Console::Render::RenderThread::_ThreadProc+0x9d
0000004e`b8bffbd0 00007ff8`f9abe8d7     : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : Microsoft_Terminal_Control!Microsoft::Console::Render::RenderThread::s_ThreadProc+0xcd
0000004e`b8bffc20 00007ff8`fbaa8d9c     : 00000000`00000000 00000000`00000000 000004f0`fffffb30 000004d0`fffffb30 : kernel32!BaseThreadInitThunk+0x17
0000004e`b8bffc50 00000000`00000000     : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : ntdll!RtlUserThreadStart+0x2c


FAULTING_SOURCE_LINE:  C:\__w\1\s\src\renderer\atlas\AtlasEngine.cpp

FAULTING_SOURCE_FILE:  C:\__w\1\s\src\renderer\atlas\AtlasEngine.cpp

FAULTING_SOURCE_LINE_NUMBER:  618

FAULTING_SOURCE_CODE:  
No source found for 'C:\__w\1\s\src\renderer\atlas\AtlasEngine.cpp'


SYMBOL_NAME:  Microsoft_Terminal_Control!Microsoft::Console::Render::Atlas::AtlasEngine::PaintCursor+a2

MODULE_NAME: Microsoft_Terminal_Control

IMAGE_NAME:  Microsoft.Terminal.Control.dll

STACK_COMMAND: ~24s; .ecxr ; kb

FAILURE_BUCKET_ID:  INVALID_POINTER_READ_c0000005_Microsoft.Terminal.Control.dll!Microsoft::Console::Render::Atlas::AtlasEngine::PaintCursor

OS_VERSION:  10.0.26100.1

BUILDLAB_STR:  ge_release

OSPLATFORM_TYPE:  x64

OSNAME:  Windows 10

IMAGE_VERSION:  1.22.2507.30001

FAILURE_ID_HASH:  {1e1cbcd2-c583-6be2-18ab-d462fefe2321}

Followup:     MachineOwner
---------
@edcdecl commented on GitHub (Oct 2, 2025): I tried to merge 2 terminals that had 1 tab each by dragging the tab of one terminal to the other. I don't know why it happened though and I can't seem to reproduce it. Here's output from windbg !analyze -v: ``` 0:024> !analyze -v ................................................................ ................................................................ ............ Loading unloaded module list ............ ******************************************************************************* * * * Exception Analysis * * * ******************************************************************************* KEY_VALUES_STRING: 1 Key : AV.Type Value: Read Key : Analysis.CPU.mSec Value: 906 Key : Analysis.Elapsed.mSec Value: 6017 Key : Analysis.IO.Other.Mb Value: 0 Key : Analysis.IO.Read.Mb Value: 12 Key : Analysis.IO.Write.Mb Value: 146 Key : Analysis.Init.CPU.mSec Value: 1625 Key : Analysis.Init.Elapsed.mSec Value: 35765 Key : Analysis.Memory.CommitPeak.Mb Value: 195 Key : Analysis.Version.DbgEng Value: 10.0.27920.1001 Key : Analysis.Version.Description Value: 10.2506.23.01 amd64fre Key : Analysis.Version.Ext Value: 1.2506.23.1 Key : Failure.Bucket Value: INVALID_POINTER_READ_c0000005_Microsoft.Terminal.Control.dll!Microsoft::Console::Render::Atlas::AtlasEngine::PaintCursor Key : Failure.Exception.Code Value: 0xc0000005 Key : Failure.Exception.IP.Address Value: 0x7ff8b6167fe2 Key : Failure.Exception.IP.Module Value: Microsoft_Terminal_Control Key : Failure.Exception.IP.Offset Value: 0x67fe2 Key : Failure.Hash Value: {1e1cbcd2-c583-6be2-18ab-d462fefe2321} Key : Failure.ProblemClass.Primary Value: INVALID_POINTER_READ Key : Timeline.OS.Boot.DeltaSec Value: 328105 Key : Timeline.Process.Start.DeltaSec Value: 2025 Key : WER.OS.Branch Value: ge_release Key : WER.OS.Version Value: 10.0.26100.1 Key : WER.Process.Version Value: 1.22.2507.30001 FILE_IN_CAB: WindowsTerminal.exe.24516.dmp NTGLOBALFLAG: 400 APPLICATION_VERIFIER_FLAGS: 0 CONTEXT: (.ecxr) rax=00000215ab1caf20 rbx=00000215ab20a090 rcx=00000215ab20a090 rdx=00000000224e0281 rsi=0000000000000020 rdi=00000215ab1407f0 rip=00007ff8b6167fe2 rsp=0000004eb8bff9f0 rbp=00000215ab1407a8 r8=0000000000000000 r9=0000000000000000 r10=000000000000001f r11=0000010000000000 r12=0000000000000000 r13=0000000000000000 r14=0000000000000000 r15=0000000000000000 iopl=0 nv up ei pl zr na po nc cs=0033 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010246 Microsoft_Terminal_Control!Microsoft::Console::Render::Atlas::AtlasEngine::PaintCursor+0xa2: 00007ff8`b6167fe2 44388ac0000000 cmp byte ptr [rdx+0C0h],r9b ds:00000000`224e0341=?? Resetting default scope EXCEPTION_RECORD: (.exr -1) ExceptionAddress: 00007ff8b6167fe2 (Microsoft_Terminal_Control!Microsoft::Console::Render::Atlas::AtlasEngine::PaintCursor+0x00000000000000a2) ExceptionCode: c0000005 (Access violation) ExceptionFlags: 00000000 NumberParameters: 2 Parameter[0]: 0000000000000000 Parameter[1]: 00000000224e0341 Attempt to read from address 00000000224e0341 PROCESS_NAME: WindowsTerminal.exe READ_ADDRESS: 00000000224e0341 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: 0000000000000000 EXCEPTION_PARAMETER2: 00000000224e0341 STACK_TEXT: 0000004e`b8bff9f0 00007ff8`b613e08c : 00000000`00000000 00000215`ab20a090 00000215`ab140790 00000215`ab140790 : Microsoft_Terminal_Control!Microsoft::Console::Render::Atlas::AtlasEngine::PaintCursor+0xa2 (Inline Function) --------`-------- : --------`-------- --------`-------- --------`-------- --------`-------- : Microsoft_Terminal_Control!Microsoft::Console::Render::Renderer::_PaintCursor+0x26 0000004e`b8bffa30 00007ff8`b613db50 : 00000000`00000000 00000215`ab140790 00000215`ab140798 00000000`000001c2 : Microsoft_Terminal_Control!Microsoft::Console::Render::Renderer::_PaintFrameForEngine+0x46c 0000004e`b8bffb50 00007ff8`b61411cd : 00000215`ab1407a0 00000000`000001c2 00000000`00000000 00000000`00000000 : Microsoft_Terminal_Control!Microsoft::Console::Render::Renderer::_PaintFrame+0x190 (Inline Function) --------`-------- : --------`-------- --------`-------- --------`-------- --------`-------- : Microsoft_Terminal_Control!Microsoft::Console::Render::Renderer::PaintFrame+0x8 (Inline Function) --------`-------- : --------`-------- --------`-------- --------`-------- --------`-------- : Microsoft_Terminal_Control!Microsoft::Console::Render::RenderThread::_ThreadProc+0x9d 0000004e`b8bffbd0 00007ff8`f9abe8d7 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : Microsoft_Terminal_Control!Microsoft::Console::Render::RenderThread::s_ThreadProc+0xcd 0000004e`b8bffc20 00007ff8`fbaa8d9c : 00000000`00000000 00000000`00000000 000004f0`fffffb30 000004d0`fffffb30 : kernel32!BaseThreadInitThunk+0x17 0000004e`b8bffc50 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : ntdll!RtlUserThreadStart+0x2c FAULTING_SOURCE_LINE: C:\__w\1\s\src\renderer\atlas\AtlasEngine.cpp FAULTING_SOURCE_FILE: C:\__w\1\s\src\renderer\atlas\AtlasEngine.cpp FAULTING_SOURCE_LINE_NUMBER: 618 FAULTING_SOURCE_CODE: No source found for 'C:\__w\1\s\src\renderer\atlas\AtlasEngine.cpp' SYMBOL_NAME: Microsoft_Terminal_Control!Microsoft::Console::Render::Atlas::AtlasEngine::PaintCursor+a2 MODULE_NAME: Microsoft_Terminal_Control IMAGE_NAME: Microsoft.Terminal.Control.dll STACK_COMMAND: ~24s; .ecxr ; kb FAILURE_BUCKET_ID: INVALID_POINTER_READ_c0000005_Microsoft.Terminal.Control.dll!Microsoft::Console::Render::Atlas::AtlasEngine::PaintCursor OS_VERSION: 10.0.26100.1 BUILDLAB_STR: ge_release OSPLATFORM_TYPE: x64 OSNAME: Windows 10 IMAGE_VERSION: 1.22.2507.30001 FAILURE_ID_HASH: {1e1cbcd2-c583-6be2-18ab-d462fefe2321} Followup: MachineOwner --------- ```
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Reference: starred/terminal#23648
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