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From "Yuxuan Wang (Jira)" <>
Subject [jira] [Commented] (THRIFT-5322) Go compact_protocol allocating unreasonable buffer size
Date Wed, 16 Dec 2020 18:03:00 GMT


Yuxuan Wang commented on THRIFT-5322:

The reported issue is fixed on master with the merge of
I'm keeping this issue open to track the work of adding TConfiguration support to go library.

> Go compact_protocol allocating unreasonable buffer size
> -------------------------------------------------------
>                 Key: THRIFT-5322
>                 URL:
>             Project: Thrift
>          Issue Type: Bug
>          Components: Go - Library
>    Affects Versions: 0.13.0
>            Reporter: Juraci Paixão Kröhling
>            Assignee: Yuxuan Wang
>            Priority: Major
>         Attachments: main.go
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
> I don't yet know all the pieces to this puzzle, and it's quite possible that the problem
is on our side, but we use the Thrift Go library in the Jaeger Agent and we are seeing a case
where the memory consumption for a payload of 4k bytes to result in a buffer allocation in
the compact_protocol.go with unreasonable sizes. I found buffers of 1.4GiB while debugging
the issue.
> This is the code that we are seeing this memory usage:
> []
> Here's more information about this, including a reproducer and initial diagnostics:
> []
> As mentioned above, I'm still getting all the pieces together, but perhaps you've seen
this before or know what might be going on. What I know for sure at the moment is that this
happens on malformed payloads, but I would expect the library to have an upper limit on the
buffer size.

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