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Posted to issues@subversion.apache.org by "Philip Martin (JIRA)" <ji...@apache.org> on 2018/03/08 20:37:00 UTC

[jira] [Commented] (SVN-4722) checksum fail during commit when delta is 16K

    [ https://issues.apache.org/jira/browse/SVN-4722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16391885#comment-16391885 ] 

Philip Martin commented on SVN-4722:
------------------------------------

Proposed fix

 ^/subversion/branches/1.9.x-issue4722@1826272

> checksum fail during commit when delta is 16K
> ---------------------------------------------
>
>                 Key: SVN-4722
>                 URL: https://issues.apache.org/jira/browse/SVN-4722
>             Project: Subversion
>          Issue Type: Bug
>          Components: libsvn_fs_fs
>    Affects Versions: 1.9.7
>            Reporter: Philip Martin
>            Priority: Major
>
> As discussed
> [https://mail-archives.apache.org/mod_mbox/subversion-dev/201803.mbox/%3C87lgf3fda2.fsf%40codematters.co.uk%3E]
> [https://svn.haxx.se/dev/archive-2018-03/0070.shtml]
> There is an error in the checksum code added to 1.9.7 to detect SHA1 collisions. The expanded length is caculated incorrectly and when the delta length is a multiple of 16K the checksum calculation stops early and fails.



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