[Bug 4554] SpamAssassin or Perl error cause spamassassin to hang on the specific regexp

[bu...@bugzilla.spamassassin.org]

http://bugzilla.spamassassin.org/show_bug.cgi?id=4554


Bob@Menschel.net changed:

           What    |Removed                     |Added
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           Keywords|                            |triage




------- Additional Comments From Bob@Menschel.net  2005-08-22 17:46 -------
Eugene, 

1) There's no way we can test and reproduce your problem with a cut/paste copy
of the email.  Please use the Create a New Attachment link above and upload a
full copy of the email, unmodified, with full headers, for us to test against. 

If you could also upload an exact copy of the rule, perhaps the file the rule is
found in, that would help us to ensure we're looking at the real rule and not an
accidental typo. 

2) [\d\w] is the same as [\w] (\d is a subset of \w). You can get rid of the \d
without affecting the meaning/application of the rule, and if that "fixes" the
problem then that would be very useful information.

3) How long have you let this hang?  Any time you use
[some-wide-matching-pattern-like-\w]+ in a body or full test, the use of + is
very likely to cause longgggggggg run times, with the symptoms you see.  Run
times of tens of minutes have not been unknown, though unlikely with a very
short message like this. 



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