Last modified: 2013-08-19 09:42:10 UTC

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Bug 45301 - non-reproducible False positive AbuseFilter bug
non-reproducible False positive AbuseFilter bug
Status: UNCONFIRMED
Product: MediaWiki extensions
Classification: Unclassified
AbuseFilter (Other open bugs)
unspecified
All All
: Lowest normal with 1 vote (vote)
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2013-02-23 06:16 UTC by taweethaも
Modified: 2013-08-19 09:42 UTC (History)
4 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments

Description taweethaも 2013-02-23 06:16:41 UTC
On Thai Wikipedia, the abuse filter #22 reads

!('bot' in user_groups) & added_links rlike "wikipedia.org"

The action for this filter is to label the edit.

The edit http://th.wikipedia.org/w/index.php?title=%E0%B9%81%E0%B8%A1%E0%B9%88%E0%B9%81%E0%B8%9A%E0%B8%9A%3AWebCite&diff=4663859&oldid=4663855 clear doesn't fall into the filter condition but the edit was nevertheless labelled by AbuseFilter.

We (two programmers on Thai Wikipedia and I) tried to repeat the edit but the filter does not take an action on the same edit. Therefore, we conclude that it is not reproducible.  However, it is recorded on Thai Wikipedia and you can investigate it from available logs.
Comment 1 Helder 2013-08-16 13:20:00 UTC
(In reply to comment #0)
> On Thai Wikipedia, the abuse filter #22 reads
> 
> !('bot' in user_groups) & added_links rlike "wikipedia.org"
For future reference, here is a link to the version of the filter which matched the edit:
https://th.wikipedia.org/wiki/Special:AbuseFilter/history/22/item/174
the log:
https://th.wikipedia.org/wiki/Special:AbuseLog?wpSearchUser=Taweetham&wpSearchFilter=22&wpSearchTitle=แม่แบบ%3AWebCite
the "examine" link points to
https://th.wikipedia.org/wiki/Special:AbuseFilter/examine/log/21989
and the "details" to:
https://th.wikipedia.org/wiki/Special:AbuseLog/21989

The variable "added_links" shows:

//en.wikipedia.org/wiki/Pagediff?withJS=MediaWiki:Common.js%2Fpagediff.js&oldpage=%E0%B9%81%E0%B8%A1%E0%B9%88%E0%B9%81%E0%B8%9A%E0%B8%9A:WebCite&newpage=%E0%B9%81%E0%B8%A1%E0%B9%88%E0%B9%81%E0%B8%9A%E0%B8%9A:WebCite%2Fsandbox

and this indeed matches the regex "wikipedia.org":
http://rubular.com/r/OAjGtNTRth
Comment 2 taweethaも 2013-08-19 09:42:10 UTC
I guess the added_links variable is derived from variables

new_html and 
old_html

There might be some one-off change that affected new_html.

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