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regex segfault
From: |
Stepan Kasal |
Subject: |
regex segfault |
Date: |
Fri, 13 Jun 2003 16:15:34 +0200 |
User-agent: |
Mutt/1.2.5.1i |
Dear libc hackers,
the folowing bug has been reported on the bug-gnu-utils list
(thank you, Andy, for this):
On Thu, Jun 12, 2003 at 08:40:21PM -0400, Andy Stanton wrote:
> grep '^\(.\{0,1\}\)\(.\{0,1\}\)\(.\{0,1\}\)\(.\{0,1\}\)\3\2\1$' \
> /usr/share/dict/words
> tested on GNU grep 2.5.1, this produces the following on my redhat 9.0 box:
> Abe
[...]
> Segmentation fault
I've reproduced the bug this way (Linux, IA32, older glibc):
1) unpack grep-2.5.1.tar.bz2
2) cp glibc/libc/posix/reg* grep-2.5.1/lib/ # copy from current CVS checkout
3) ./configure --with-included-regex; make
(The error message was slightly different, but generaly the behaviour was
the same: crash.)
So I conclude the bug is still in the current code.
I think this problem translates easily to a test case; if you expirience
problems reproducing the bug, mail me for details.
Have a nice day,
Stepan Kasal
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