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Editorial Team
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Asked: 2026-05-27T17:45:04+00:00

I have a problem with a small app I’m trying to build. When I

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I have a problem with a small app I’m trying to build. When I turn on linking, I’ve tried both SDK Assemblies only and SDK and user assemblies, I get the same exception when I’m trying to build an APK.

Exception:

System.Exception: The "LinkAssemblies" task failed unexpectedly.
System.OverflowException: Arithmetic operation resulted in an overflow.
  at Mono.Cecil.PE.ByteBuffer.ReadUInt32()
  at Mono.Cecil.Cil.CodeReader.ReadOperand(Instruction instruction)
  ...

I get exactly the same exception when I just create a new Mono project and try to build an APK with linking turned on.

Grateful for any help..

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1 Answer

  1. Editorial Team

    This exception comes from Mono.Cecil.dll, i.e. the library on which the linker is based. That’s quite uncommon and it will need to be debugged.

    I can’t even propose a workaround (except not linking) without knowing more about how that assembly was generated (e.g. compiler, obfustactor…)

    Can you fill a bug report at http://bugzilla.xamarin.com and attach the offending assembly ? Thanks!

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