libgit2 / libgit2/libgit2sharp

System.BadImageFormatException: Method has no body on CentOS

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Ngôn ngữ chính
C#
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Mô tả

Reproduction steps

I use CAKE to automate build process. I run my build script on CentOS and it throws an exception

To reproduce the issue, try to create an instance of the 'Repository' class.
I've created a test project reproducing similar error, but on MacOS.

I also use CAKE script, but the original one is more complex than the test one, but in any way the library also throws similar exception related to native methods.

...
var repo = new Repository("./.git");
...
Actual behavior
Error: System.AggregateException: One or more errors occurred. ---> System.BadImageFormatException: Method has no body
  at LibGit2Sharp.Core.Proxy.git_repository_open (System.String path) [0x00008] in <b59d5da32f8541b2a767004d8bddc22b>:0 
  at LibGit2Sharp.Repository..ctor (System.String path, LibGit2Sharp.RepositoryOptions options, LibGit2Sharp.Repository+RepositoryRequiredParameter requiredParameter) [0x002ee] in <b59d5da32f8541b2a767004d8bddc22b>:0 
  at LibGit2Sharp.Repository..ctor (System.String path) [0x00000] in <b59d5da32f8541b2a767004d8bddc22b>:0 
  at Submission#0.<<Initialize>>b__0_3 () [0x0000d] in <c937322efd9e45229071df73bf4f662f>:0 
  at Cake.Core.CakeTaskBuilderExtensions+<>c__DisplayClass17_0.<Does>b__0 (Cake.Core.ICakeContext context) [0x00000] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Core.CakeTaskBuilderExtensions+<>c__DisplayClass20_0.<Does>b__0 (Cake.Core.ICakeContext x) [0x00000] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Core.CakeTask.Execute (Cake.Core.ICakeContext context) [0x00066] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Core.DefaultExecutionStrategy.ExecuteAsync (Cake.Core.CakeTask task, Cake.Core.ICakeContext context) [0x000ee] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Core.CakeEngine.ExecuteTaskAsync (Cake.Core.ICakeContext context, Cake.Core.IExecutionStrategy strategy, System.Diagnostics.Stopwatch stopWatch, Cake.Core.CakeTask task, Cake.Core.CakeReport report) [0x00131] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Core.CakeEngine.RunTask (Cake.Core.ICakeContext context, Cake.Core.IExecutionStrategy strategy, Cake.Core.CakeTask task, System.String target, System.Diagnostics.Stopwatch stopWatch, Cake.Core.CakeReport report) [0x00124] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Core.CakeEngine.RunTargetAsync (Cake.Core.ICakeContext context, Cake.Core.IExecutionStrategy strategy, Cake.Core.ExecutionSettings settings) [0x00338] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Scripting.BuildScriptHost.RunTargetAsync (System.String target) [0x0009f] in <52bc22bce5254240ba373b3cf23da1ab>:0 
  at Cake.Core.Scripting.ScriptHost.RunTarget (System.String target) [0x0000d] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Submission#0+<<Initialize>>d__0.MoveNext () [0x00150] in <c937322efd9e45229071df73bf4f662f>:0 
  at Microsoft.CodeAnalysis.Scripting.ScriptExecutionState.RunSubmissionsAsync[TResult] (System.Collections.Immutable.ImmutableArray`1[T] precedingExecutors, System.Func`2[T,TResult] currentExecutor, System.Runtime.CompilerServices.StrongBox`1[T] exceptionHolderOpt, System.Func`2[T,TResult] catchExceptionOpt, System.Threading.CancellationToken cancellationToken) [0x00186] in <3ee4bd870c1146d59b98317e4bbdcbe8>:0 
  at Microsoft.CodeAnalysis.Scripting.Script`1[T].RunSubmissionsAsync (Microsoft.CodeAnalysis.Scripting.ScriptExecutionState executionState, System.Collections.Immutable.ImmutableArray`1[T] precedingExecutors, System.Func`2[T,TResult] currentExecutor, System.Func`2[T,TResult] catchExceptionOpt, System.Threading.CancellationToken cancellationToken) [0x000a8] in <3ee4bd870c1146d59b98317e4bbdcbe8>:0 
   --- End of inner exception stack trace ---
  at System.Threading.Tasks.Task.ThrowIfExceptional (System.Boolean includeTaskCanceledExceptions) [0x00011] in <3d1438d9da1e4fe0b915f807d1ba56bd>:0 
  at System.Threading.Tasks.Task.Wait (System.Int32 millisecondsTimeout, System.Threading.CancellationToken cancellationToken) [0x00043] in <3d1438d9da1e4fe0b915f807d1ba56bd>:0 
  at System.Threading.Tasks.Task.Wait () [0x00000] in <3d1438d9da1e4fe0b915f807d1ba56bd>:0 
  at Cake.Scripting.Roslyn.RoslynScriptSession.Execute (Cake.Core.Scripting.Script script) [0x001a7] in <52bc22bce5254240ba373b3cf23da1ab>:0 
  at Cake.Core.Scripting.ScriptRunner.Run (Cake.Core.Scripting.IScriptHost host, Cake.Core.IO.FilePath scriptPath, System.Collections.Generic.IDictionary`2[TKey,TValue] arguments) [0x00358] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Commands.BuildCommand.Execute (Cake.CakeOptions options) [0x0003f] in <52bc22bce5254240ba373b3cf23da1ab>:0 
  at Cake.CakeApplication.Run (Cake.CakeOptions options) [0x00015] in <52bc22bce5254240ba373b3cf23da1ab>:0 
  at Cake.Program.Main () [0x000d1] in <52bc22bce5254240ba373b3cf23da1ab>:0 
---> (Inner Exception #0) System.BadImageFormatException: Method has no body
File name: 'LibGit2Sharp'
  at LibGit2Sharp.Core.Proxy.git_repository_open (System.String path) [0x00008] in <b59d5da32f8541b2a767004d8bddc22b>:0 
  at LibGit2Sharp.Repository..ctor (System.String path, LibGit2Sharp.RepositoryOptions options, LibGit2Sharp.Repository+RepositoryRequiredParameter requiredParameter) [0x002ee] in <b59d5da32f8541b2a767004d8bddc22b>:0 
  at LibGit2Sharp.Repository..ctor (System.String path) [0x00000] in <b59d5da32f8541b2a767004d8bddc22b>:0 
  at Submission#0.<<Initialize>>b__0_3 () [0x0000d] in <c937322efd9e45229071df73bf4f662f>:0 
  at Cake.Core.CakeTaskBuilderExtensions+<>c__DisplayClass17_0.<Does>b__0 (Cake.Core.ICakeContext context) [0x00000] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Core.CakeTaskBuilderExtensions+<>c__DisplayClass20_0.<Does>b__0 (Cake.Core.ICakeContext x) [0x00000] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Core.CakeTask.Execute (Cake.Core.ICakeContext context) [0x00066] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Core.DefaultExecutionStrategy.ExecuteAsync (Cake.Core.CakeTask task, Cake.Core.ICakeContext context) [0x000ee] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Core.CakeEngine.ExecuteTaskAsync (Cake.Core.ICakeContext context, Cake.Core.IExecutionStrategy strategy, System.Diagnostics.Stopwatch stopWatch, Cake.Core.CakeTask task, Cake.Core.CakeReport report) [0x00131] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Core.CakeEngine.RunTask (Cake.Core.ICakeContext context, Cake.Core.IExecutionStrategy strategy, Cake.Core.CakeTask task, System.String target, System.Diagnostics.Stopwatch stopWatch, Cake.Core.CakeReport report) [0x00124] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Core.CakeEngine.RunTargetAsync (Cake.Core.ICakeContext context, Cake.Core.IExecutionStrategy strategy, Cake.Core.ExecutionSettings settings) [0x00338] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Cake.Scripting.BuildScriptHost.RunTargetAsync (System.String target) [0x0009f] in <52bc22bce5254240ba373b3cf23da1ab>:0 
  at Cake.Core.Scripting.ScriptHost.RunTarget (System.String target) [0x0000d] in <1a12afcf649f4de8ab5d15d82d4f6310>:0 
  at Submission#0+<<Initialize>>d__0.MoveNext () [0x00150] in <c937322efd9e45229071df73bf4f662f>:0 
  at Microsoft.CodeAnalysis.Scripting.ScriptExecutionState.RunSubmissionsAsync[TResult] (System.Collections.Immutable.ImmutableArray`1[T] precedingExecutors, System.Func`2[T,TResult] currentExecutor, System.Runtime.CompilerServices.StrongBox`1[T] exceptionHolderOpt, System.Func`2[T,TResult] catchExceptionOpt, System.Threading.CancellationToken cancellationToken) [0x00186] in <3ee4bd870c1146d59b98317e4bbdcbe8>:0 
  at Microsoft.CodeAnalysis.Scripting.Script`1[T].RunSubmissionsAsync (Microsoft.CodeAnalysis.Scripting.ScriptExecutionState executionState, System.Collections.Immutable.ImmutableArray`1[T] precedingExecutors, System.Func`2[T,TResult] currentExecutor, System.Func`2[T,TResult] catchExceptionOpt, System.Threading.CancellationToken cancellationToken) [0x000a8] in <3ee4bd870c1146d59b98317e4bbdcbe8>:0 <---
Expected behavior

The constructor returns an instance of the Repository

Version of LibGit2Sharp (release number or SHA1)

v0.25.3

Operating system(s) tested; .NET runtime tested
  • CentOS Linux release 7.5.1804 (Core)
  • Mono
Mono JIT compiler version 5.16.0.187 (tarball Mon Oct  8 08:52:21 UTC 2018)
Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com
	TLS:           __thread
	SIGSEGV:       altstack
	Notifications: epoll
	Architecture:  amd64
	Disabled:      none
	Misc:          softdebug 
	Interpreter:   yes
	LLVM:          yes(3.6.0svn-mono-/)
	GC:            sgen (concurrent by default)

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Bắt đầu từ đâu

  1. Đọc hết issue, rồi đọc hướng dẫn đóng góp của dự án.
  2. Bình luận trên issue rằng bạn sẽ nhận — tránh hai người làm cùng một việc.
  3. Fork repository và làm thay đổi trên một nhánh.
  4. Mở pull request có tham chiếu số hiệu của issue.

Hướng nghiên cứu

Bắt đầu bằng cách kiểm tra LibGit2Sharp.Core.Proxy.git_repository_open và hàm khởi tạo Repository được hiển thị trong stack trace. Tái hiện lỗi với LibGit2Sharp v0.25.3 trên CentOS 7.5 bằng Mono 5.16.0.187 và so sánh hành vi của phương thức native với dự án kiểm thử được liên kết. Hoàn thành khi có thể tạo một phiên bản Repository thành công mà không gặp BadImageFormatException.

Do mô hình lập chỉ mục viết ra từ nội dung của issue.

Đánh giá

Công nghệ
csharp
Lĩnh vực
backend, operating-systems
Loại issue
Lỗi
Độ khó
4/5
Thời gian dự kiến
3-5 ngày
Mức độ hoạt động
Đình trệ
Độ rõ ràng
Khá rõ ràng
Mức phù hợp với người mới
30/100

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