Red Hat Bugzilla – Bug 161896
Grep "Segmentation fault" using Perl regular expression
Last modified: 2007-11-30 17:11:09 EST
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.7) Gecko/20050416 Fedora/1.0.3-1.3.1 Firefox/1.0.3
Description of problem:
I was using grep with a Perl regular expression to find files containing blank lines, but with some whitespace (i.e. a tab or a space).
One file (from about 20) caused grep to Segmentation fault. This file was unique from the others since the last line was empty (i.e. it has an additional newline at the end).
I found that creating a file with a single newline caused the same Segmentation fault.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. echo "\n" > temp.txt
2. grep -P '^\s+$' temp.txt
Actual Results: Segmentation fault
Expected Results: No Segmentation fault
I tried the same command on serveral different Ferdora platforms, and all give the same Segmentation fault. Specifically:
RedHat Linux 9 (i686)
Fedora Core 1 (i686)
Fedora Core 3 (i686)
Fedora Core 3 (x86_64)
You keep resubmitting this: don't.
*** This bug has been marked as a duplicate of 157964 ***
I'm ever so sorry. I thought I had a firefox bookmark set up to view the
original bug report, but unfortunately clicking the bookmark actually
resubmitted the bug.