On Wed, 13 Sep 2017 08:52:37 +0200, Gianfranco Costamagna wrote: > Now libpng better detects a bad png files, and this is not a bug of course, > but rather a sign that the image should be fixed. > > pngfix /usr/share/perl5/Authen/Captcha/images/background5.png > IDAT OK default 15 15 7197 7035 > /usr/share/perl5/Authen/Captcha/images/background5.png > HEAD ERR 00 libpng Success Success IDAT:_chunk_data_is_too_large > /usr/share/perl5/Authen/Captcha/images/background5.png
Ok, thanks for investigating. > I'm raising the severity to serious, because this seems to be a serious > enough bug, even more because the package can't > rebuild now (fails testsuite, e.g. in Ubuntu, while on Debian for some bug > the error is not caught in dh_auto_test) The library picks one of the images on random; if you repeat the test on Debian, you'll see the failure as well. > Interestingly enough, that file in Ubuntu installations is correct, probably > because of a side effect > of png optimizer, ran automatically in Ubuntu builders > https://launchpadlibrarian.net/173920478/buildlog_ubuntu-utopic-i386.libauthen-captcha-perl_1.024-1_UPLOADING.txt.gz Interesting! Cheers, gregor -- .''`. https://info.comodo.priv.at/ - Debian Developer https://www.debian.org : :' : OpenPGP fingerprint D1E1 316E 93A7 60A8 104D 85FA BB3A 6801 8649 AA06 `. `' Member of VIBE!AT & SPI, fellow of the Free Software Foundation Europe `- BOFH excuse #237: Plate voltage too low on demodulator tube