[debbugs-tracker] bug#16586: closed (grep: infinite loop in grep -P on some files with invalid UTF-8 sequences)

[GNU bug Tracking System]

Your message dated Tue, 15 Apr 2014 07:48:51 -0700
with message-id <address@hidden>
and subject line Re: bug#16586: grep: infinite loop in grep -P on some files 
with invalid UTF-8 sequences
has caused the debbugs.gnu.org bug report #16586,
regarding grep: infinite loop in grep -P on some files with invalid UTF-8 
sequences
to be marked as done.

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-- 
16586: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16586
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> --- Begin Message ---
>
>
>
> Subject: 
>
> grep: infinite loop in grep -P on some files with invalid UTF-8 sequences
>
>
>
>
> Date: 
>
> Wed, 29 Jan 2014 10:43:46 +0100
>
>
>
>
> User-agent: 
>
> Mutt/1.5.21 (2010-09-15)
>
>
>
>
> Package: grep
> Version: 2.16
> Severity: important
>
> Hi there,
>
> I forward this bug from debian's BTS. Last changes in -P brought another
> problem. I've confirmed this behavior on last debian package:
>
> ----- Forwarded message from Vincent Lefevre <address@hidden> -----
>
> [snip]
>
>
> grep -P loops on some files with invalid UTF-8 sequences, e.g.
>
> $ /usr/bin/printf "\xe9\x65\n\xab\n" | grep -P '.e|.?z' | head
> �e
> �e
> �e
> �e
> �e
> �e
> �e
> �e
> �e
> �e
>
> (the infinite loop is interrupted here by a broken pipe due to
> the "head").
>
> It seems that the fix of
>
>   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=730472
>
> didn't solve all the problems.
>
> -- System Information:
> Debian Release: jessie/sid
>   APT prefers unstable
>   APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 
> 'experimental')
> Architecture: amd64 (x86_64)
> Foreign Architectures: i386
>
> Kernel: Linux 3.12-1-amd64 (SMP w/2 CPU cores)
> Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
>
> Versions of packages grep depends on:
> ii  dpkg          1.17.6
> ii  install-info  5.2.0.dfsg.1-2
> ii  libc6         2.17-97
> ii  libpcre3      1:8.31-2
>
> grep recommends no packages.
>
> grep suggests no packages.
>
> -- no debconf information
>
>
> ----- End forwarded message -----
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#16586: grep: infinite loop in grep -P on some files with invalid UTF-8 sequences
>
>
>
>
> Date: 
>
> Tue, 15 Apr 2014 07:48:51 -0700
>
>
>
>
> User-agent: 
>
> Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0
>
>
>
>
> Santiago wrote:
> > it was a debian-pcre-specific bug.
>
> Thanks, closing the bug upstream.
>
>
> --- End Message ---