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From Jiri Daněk (JIRA) <j...@apache.org>
Subject [jira] [Commented] (PROTON-1979) Decoding a bad message can overflow the stack
Date Mon, 10 Dec 2018 17:12:00 GMT

    [ https://issues.apache.org/jira/browse/PROTON-1979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16715123#comment-16715123
] 

Jiri Daněk commented on PROTON-1979:
------------------------------------

What I have is a different (new) testcase, I only commented here because the stacktrace seems
the same.

> Decoding a bad message can overflow the stack
> ---------------------------------------------
>
>                 Key: PROTON-1979
>                 URL: https://issues.apache.org/jira/browse/PROTON-1979
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>            Reporter: Andrew Stitcher
>            Assignee: Andrew Stitcher
>            Priority: Major
>              Labels: fuzzer
>             Fix For: proton-c-0.27.0
>
>
> Found by oss-fuzz: [https://oss-fuzz.com/testcase?key=5920119225057280]
> A message with a described type whose descriptor is an array containing described types
of an array containing described types of... can cause enough stack use to overflow the process
stack.
> The message is quite long (and essentially meaningless) but none the less syntactically
valid.



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