Package: imagemagick
Version: 6:6.0.6.2-2.2
Severity: normal
mogrify can loose data if interrupted:
1. Should make backup file
2. Should finish writting if interrupting
Create a reasonable sized file (~1Mb) and run the script until
mogrify: Corrupt JPEG data: premature end of data segment.
appears on the output.
Dirty script to uncover the bug:
#!/usr/bin/perl
use Time::HiRes qw( usleep );
use POSIX;
$file = "rabo.jpg";
$size=(stat($file))[7];
$i=0;
while( $size > 0 && $i < 100000 ){
if($p=fork) {
usleep(rand(10000));
for($i=0;$i<10000;$i++) {
kill(15,$p);
}
} else {
usleep(rand(10000));
system("mogrify -scale 1024 $file") or die "mog";
exit;
}
$i++;
}
print "Done $i $size.\n";
-- System Information:
Debian Release: 3.1
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.9
Locale: LANG=C, LC_CTYPE=es_ES (charmap=ISO-8859-1)
Versions of packages imagemagick depends on:
ii libmagick6 6:6.0.6.2-2.2 Image manipulation library
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