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R2RDump fails for System.IO.FileSystem #46210

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mangod9 opened this issue Dec 18, 2020 · 1 comment · Fixed by #46833
Closed

R2RDump fails for System.IO.FileSystem #46210

mangod9 opened this issue Dec 18, 2020 · 1 comment · Fixed by #46833
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@nattress
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area-R2RDump-coreclr Ready-to-run image dump tool
Milestone
6.0.0

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@mangod9
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mangod9 commented Dec 18, 2020

Description

Running R2RDump on System.IO.FileSystem which has been compiled with crossgen2 causes the following exception:

CoreRun.exe R2RDump\R2RDump.dll -d -i System.IO.FileSystem.dll

Error: System.IndexOutOfRangeException: Index was outside the bounds of the array.
   at ILCompiler.Reflection.ReadyToRun.Amd64.UnwindInfo.ParseUnwindCode(Int32& i) in C:\git\runtime\src\coreclr\src\tools\aot\ILCompiler.Reflection.ReadyToRun\Amd64\UnwindInfo.cs:line 244
   at ILCompiler.Reflection.ReadyToRun.Amd64.UnwindInfo..ctor(Byte[] image, Int32 offset) in C:\git\runtime\src\coreclr\src\tools\aot\ILCompiler.Reflection.ReadyToRun\Amd64\UnwindInfo.cs:line 139
   at ILCompiler.Reflection.ReadyToRun.ReadyToRunMethod.ParseRuntimeFunctions() in C:\git\runtime\src\coreclr\src\tools\aot\ILCompiler.Reflection.ReadyToRun\ReadyToRunMethod.cs:line 480
   at ILCompiler.Reflection.ReadyToRun.ReadyToRunMethod.EnsureRuntimeFunctions() in C:\git\runtime\src\coreclr\src\tools\aot\ILCompiler.Reflection.ReadyToRun\ReadyToRunMethod.cs:line 267
   at ILCompiler.Reflection.ReadyToRun.ReadyToRunMethod.get_RuntimeFunctions() in C:\git\runtime\src\coreclr\src\tools\aot\ILCompiler.Reflection.ReadyToRun\ReadyToRunMethod.cs:line 257
   at R2RDump.Extensions.WriteTo(ReadyToRunMethod theThis, TextWriter writer, DumpOptions options) in C:\git\runtime\src\coreclr\src\tools\r2rdump\Extensions.cs:line 147
   at R2RDump.TextDumper.DumpMethod(ReadyToRunMethod method) in C:\git\runtime\src\coreclr\src\tools\r2rdump\TextDumper.cs:line 154
   at R2RDump.TextDumper.DumpAllMethods() in C:\git\runtime\src\coreclr\src\tools\r2rdump\TextDumper.cs:line 142
   at R2RDump.R2RDump.Dump(ReadyToRunReader r2r) in C:\git\runtime\src\coreclr\src\tools\r2rdump\R2RDump.cs:line 400
   at R2RDump.R2RDump.Run() in C:\git\runtime\src\coreclr\src\tools\r2rdump\R2RDump.cs:line 569

Configuration

Compile System.IO.FileSystem.dll with crossgen2
Use R2RDump to disassemble compiled version of System.IO.FileSystem.dll

Regression?

No
@mangod9 mangod9 added the area-R2RDump-coreclr Ready-to-run image dump tool label Dec 18, 2020
@mangod9 mangod9 added this to the 6.0.0 milestone Dec 18, 2020
@Dotnet-GitSync-Bot Dotnet-GitSync-Bot added the untriaged New issue has not been triaged by the area owner label Dec 18, 2020
@mangod9 mangod9 removed the untriaged New issue has not been triaged by the area owner label Dec 18, 2020
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mangod9 commented Dec 18, 2020

cc @dotnet/crossgen-contrib

@nattress nattress self-assigned this Jan 11, 2021
@nattress nattress mentioned this issue Jan 11, 2021
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@ghost ghost added the in-pr There is an active PR which will close this issue when it is merged label Jan 11, 2021
@ghost ghost removed the in-pr There is an active PR which will close this issue when it is merged label Jan 12, 2021
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area-R2RDump-coreclr Ready-to-run image dump tool
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Milestone
6.0.0
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R2RDump improvements nattress/runtime
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@nattress @Dotnet-GitSync-Bot @mangod9