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[mono][interp] Fix memory leaks for interpreted dynamic methods. #88892

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merged 2 commits into from
Jul 19, 2023
Merged

[mono][interp] Fix memory leaks for interpreted dynamic methods. #88892

merged 2 commits into from
Jul 19, 2023

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vargaz
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@vargaz vargaz commented Jul 14, 2023

  • Add a mempool to MonoDynamicMethod.
  • Modify the intepreter code to allocate from this mempool when interpreting dynamic methods.

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ghost commented Jul 14, 2023

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Issue Details
  • Add a mempool to MonoDynamicMethod.
  • Modify the intepreter code to allocate from this mempool when interpreting dynamic methods.
Author: vargaz
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area-Codegen-Interpreter-mono
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vargaz commented Jul 14, 2023

Ref: #87078

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vargaz commented Jul 14, 2023

/azp run runtime-wasm

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@vargaz vargaz force-pushed the interp-memory branch 3 times, most recently from 136c83d to 066690c Compare July 14, 2023 05:03
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vargaz commented Jul 14, 2023

/azp run runtime-wasm

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vargaz commented Jul 14, 2023

/azp run runtime-wasm

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@vargaz vargaz force-pushed the interp-memory branch 3 times, most recently from 14d5cd5 to 968f4c2 Compare July 14, 2023 08:31
This was referenced Jul 14, 2023
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@vargaz vargaz force-pushed the interp-memory branch 2 times, most recently from 97702bb to c5b7223 Compare July 14, 2023 20:29
@vargaz vargaz marked this pull request as draft July 14, 2023 20:29
@build-analysis build-analysis bot mentioned this pull request Jul 14, 2023
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@vargaz vargaz force-pushed the interp-memory branch 7 times, most recently from b64f58f to df47797 Compare July 16, 2023 18:08
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[mono] Set the 'dynamic' flag on method builders on creation so a Mon…
b7a4ea2 
…oDynamicMethod is allocated instead of a MonoMethodWrapper.
@vargaz
[mono][interp] Fix memory leaks for interpreted dynamic methods.
cf435b3 
* Add a mempool to MonoDynamicMethod.
* Modify the intepreter code to allocate from this mempool when
  interpreting dynamic methods.
@vargaz vargaz marked this pull request as ready for review July 18, 2023 00:04
@build-analysis build-analysis bot mentioned this pull request Jul 18, 2023
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@vargaz vargaz merged commit fce5227 into dotnet:main Jul 19, 2023
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@vargaz vargaz deleted the interp-memory branch July 19, 2023 05:41
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BrzVlad commented Jul 19, 2023 •
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I suspect this might have caused crashes like

Assertion at /home/vbrezae/Xamarin/repos/runtime/src/mono/mono/mini/interp/transform.c:8244, condition `td->new_code [reloc->offset + reloc->skip + 1] == 0xdead'

I am able to reproduce with moderate difficulty. I'm taking a look into it.

@BrzVlad BrzVlad mentioned this pull request Jul 20, 2023
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@kg kg kg left review comments

@BrzVlad BrzVlad BrzVlad approved these changes

@kotlarmilos kotlarmilos Awaiting requested review from kotlarmilos kotlarmilos is a code owner

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