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[bug #15768] egrep hangs on x{N} for 0x6000<=N<=0x6989


From: anonymous
Subject: [bug #15768] egrep hangs on x{N} for 0x6000<=N<=0x6989
Date: Thu, 16 Feb 2006 09:04:45 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8) Gecko/20051111 Firefox/1.5

URL:
  <http://savannah.gnu.org/bugs/?func=detailitem&item_id=15768>

                 Summary: egrep hangs on \x{N} for 0x6000<=N<=0x6989
                 Project: grep
            Submitted by: None
            Submitted on: Thu 02/16/06 at 09:04
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open

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Details:

In egrep 2.5.1 under Linux 2.4.5 on i686
expressions of the form \x{N} where  6000 <= N <= 6989 (hex), e.g.
\x{6581}, cause egrep to hang with 100% CPU usage. This does not happen with
grep or fgrep. This is not a joke.






    _______________________________________________________

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