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From "Jens Geyer (Jira)" <j...@apache.org>
Subject [jira] [Commented] (THRIFT-5299) rs implementation compact protocol varint implementation is wrong
Date Wed, 28 Oct 2020 08:08:00 GMT

    [ https://issues.apache.org/jira/browse/THRIFT-5299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17222023#comment-17222023
] 

Jens Geyer commented on THRIFT-5299:
------------------------------------

Testcase?

> rs implementation compact protocol varint implementation is wrong
> -----------------------------------------------------------------
>
>                 Key: THRIFT-5299
>                 URL: https://issues.apache.org/jira/browse/THRIFT-5299
>             Project: Thrift
>          Issue Type: Bug
>          Components: Rust - Library
>    Affects Versions: 0.13.0
>            Reporter: shuo li
>            Priority: Major
>
> While reviewing code, I discovered a bug in compact protocol.
> The length of byte is decoded with integer-encoding u32, which does not do zigzag decode
first. 
> The fix should be use i32 as decode, then convert to unsigned value.
> In specification, it is explicitly specified that the length field is SIGNED.



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