[jira] [Commented] (PROTON-2746) pn_value_dump can access uninitialised memory

["ASF subversion and git services (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PROTON-2746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17738180#comment-17738180 ] 

ASF subversion and git services commented on PROTON-2746:
---------------------------------------------------------

Commit 139ed8bc216fded1426e0bcfd11b48a277de09e0 in qpid-proton's branch refs/heads/main from Andrew Stitcher
[ https://gitbox.apache.org/repos/asf?p=qpid-proton.git;h=139ed8bc2 ]

PROTON-2746: Fix potential uninitialized/illegal read

Found by valgrind running a test on new code.


> pn_value_dump can access uninitialised memory
> ---------------------------------------------
>
>                 Key: PROTON-2746
>                 URL: https://issues.apache.org/jira/browse/PROTON-2746
>             Project: Qpid Proton
>          Issue Type: Bug
>          Components: proton-c
>            Reporter: Andrew Stitcher
>            Priority: Major
>
> It's a pretty small edge case but if the size of a symbol is 0 then we will currently try to read the first character anyway. If the symbol is at the very end of the bytes being decoded then the byte read is not part of the bytes being decoded.



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