Bug#86994: marked as done (findimagedupes: imagemagick code can segfault)
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and subject line Bug#86994: fixed in findimagedupes 0.1.3-6
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Date: Thu, 22 Feb 2001 12:09:52 GMT
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From: Jonathan H N Chin <jhnc%stone@newton.cam.ac.uk>
Subject: findimagedupes: imagemagick code can segfault
To: submit@bugs.debian.org
X-Mailer: bug 3.3.9
Delivered-To: submit@bugs.debian.org
Package: findimagedupes
Version: 0.1.3-1
Severity: important
As the code itself notes, certain file types can cause the imagemagick
routines to crash. One possible way to work around this is:
diff -Bbur old/findimagedupes new/findimagedupes
--- old/findimagedupes Thu Feb 22 12:07:34 2001
+++ new/findimagedupes Thu Feb 22 12:05:06 2001
@@ -41,6 +41,8 @@
my $prog = $0 . '';
$prog = substr($prog,rindex($prog,'/') + 1) if rindex($prog,'/') >= 0;
+sub handleSEGV { die "caught segfault in getfingerprint()\n"; };
+
# check args
while ($arg = shift) {
@@ -227,7 +229,7 @@
}
print IMGFP "\n";
} elsif (!defined($img)) {
- warn "warning: unable to get fingerprint of $file.\n";
+ warn "warning: unable to get fingerprint of $file\n";
}
}
@@ -246,8 +248,10 @@
$image = Image::Magick->new;
- $fp1 = getfingerprint($image, $OPT{'file1'});
- $fp2 = getfingerprint($image, $OPT{'file2'});
+ $fp1 = getfingerprint($image, $OPT{'file1'})
+ or die "fatal: unable to get fingerprint of $OPT{'file1'}\n";
+ $fp2 = getfingerprint($image, $OPT{'file2'})
+ or die "fatal: unable to get fingerprint of $OPT{'file2'}\n";
# xor the two binary strings to find differences
$fpdiff = $fp1 ^ $fp2;
@@ -498,6 +502,8 @@
my $file = shift;
my (@blobs, $img);
+ $SIG{SEGV} = \&handleSEGV;
+ my $result = eval {
$image->Read($file);
$#$image = 0;
$image->Sample("160x160!");
@@ -516,10 +522,12 @@
# so we'll discard all but the first 32 bytes
$img = substr($blobs[0],0,32);
}
+ };
+ $SIG{SEGV} = 'DEFAULT';
# free image but don't delete object.
undef @$image;
- $img;
+ (defined $result) ? $img: undef;
}
-- System Information
Debian Release: testing/unstable
Kernel Version: Linux stone 2.2.16int4+usb3 #1 SMP Thu Jul 27 17:18:16 BST 2000 i686 unknown
Versions of the packages findimagedupes depends on:
hi imagemagick 5.2.9-1 Image manipulation programs.
hi perl-5.6-base 6 Transitional package.
hi perlmagick 5.29-4 A perl interface to the libMagick graphics r
---------------------------------------
Received: (at 86994-close) by bugs.debian.org; 11 Sep 2005 18:50:13 +0000
>From katie@spohr.debian.org Sun Sep 11 11:50:13 2005
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From: Andreas Tille <tille@debian.org>
To: 86994-close@bugs.debian.org
X-Katie: $Revision: 1.56 $
Subject: Bug#86994: fixed in findimagedupes 0.1.3-6
Message-Id: <E1EEWr4-00040x-00@spohr.debian.org>
Sender: Archive Administrator <katie@spohr.debian.org>
Date: Sun, 11 Sep 2005 11:47:06 -0700
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Source: findimagedupes
Source-Version: 0.1.3-6
We believe that the bug you reported is fixed in the latest version of
findimagedupes, which is due to be installed in the Debian FTP archive:
findimagedupes_0.1.3-6.diff.gz
to pool/main/f/findimagedupes/findimagedupes_0.1.3-6.diff.gz
findimagedupes_0.1.3-6.dsc
to pool/main/f/findimagedupes/findimagedupes_0.1.3-6.dsc
findimagedupes_0.1.3-6_all.deb
to pool/main/f/findimagedupes/findimagedupes_0.1.3-6_all.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to 86994@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Andreas Tille <tille@debian.org> (supplier of updated findimagedupes package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.7
Date: Tue, 14 Jun 2005 15:22:51 +0200
Source: findimagedupes
Binary: findimagedupes
Architecture: source all
Version: 0.1.3-6
Distribution: unstable
Urgency: low
Maintainer: Andreas Tille <tille@debian.org>
Changed-By: Andreas Tille <tille@debian.org>
Description:
findimagedupes - Finds visually similar or duplicate images
Closes: 86994 87013 113871 218699
Changes:
findimagedupes (0.1.3-6) unstable; urgency=low
.
* New maintainer
Closes: #218699
* Standards-Version: 3.6.2 (no changes)
* dh_installmanpages -> dh_installman
* README.Debian
* Added C++ version of comparison routine to examples and made a
hint in README.Debian what to do
* Added homepage to long description
* Applied patch from Jonathan H N Chin <jhnc%stone@newton.cam.ac.uk>
(Thanks to Jonathan)
Closes: #86994
* Provided example script to enhance finding images which appear three
times or more. Thanks to Jonathan H N Chin again.
Closes: #87013
* Closing old bugs which can not be reproduced any more:
Closes: #113871 (newer ImageMagic libs seem to work)
Files:
db0a920b9bccb83b6adbd8bd84959090 583 graphics optional findimagedupes_0.1.3-6.dsc
9de8aa7146824f19c2e68ebf2b1b965d 6701 graphics optional findimagedupes_0.1.3-6.diff.gz
ad3103d8e0b897cb590a656209f584b9 15502 graphics optional findimagedupes_0.1.3-6_all.deb
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