Re: [gentoo-amd64] QT Broken ("smash stacking attack in function void QPainter")

[Etienne Imguimbert]

Hello!
I've downgraded QT to version 3.3.4-r8, and now it works well (the latest version I had was 4.1.2). It seems that it's a Qt bug and that Trolltech is currently working on. I just can hope that it will be fixed one day ;-)
Thanks for your answer

2006/6/7, Kevin F. Quinn <kevquinn@g.o>:
> On Tue, 6 Jun 2006 21:12:22 +0200
> "Etienne Imguimbert" <eimguimbert@×××××.com> wrote:
>
> > Dear gentoo amd64 users,
>
> See https://bugs.gentoo.org/show_bug.cgi?id=126896
>
> You have two options :)
>
> 1) Back off qt to the previous version (see comment #10 of the bug for
> someone else who successfully did this)
>
> or
>
> 2) switch to the hardenednossp compiler, re-emerge qt, then switch the
> compiler back to your default.
>
> It's not clear at the moment whether the problem is caused by SSP or
> whether there is a compiler bug that SSP is highlighting.
>
> > From several dayx I have KDE unusable, the error message is:
> > "stack smashing attack in function void QPainter"
> > This message is obtained when trying to launch kdm, or ANY kde
> > application (as the script startkde).
> > I've searched in the gentoo forums, and a user said that downgrading
> > zlib could solve the problem (see:
> > http://forums.gentoo.org/viewtopic-p-1231251.html?sid=76f91a5b2d4597d0d8ffea6c8beef0b7
> > ) Unfortunately, the only ebuild of zlib available in portage is
> > zlib-1.2.3.ebuild (the version installed on my system). On the
> > internet the oldest version I found is 1.2.2. I installed it, and I
> > got the same problem.
> >
> > Does someone have any idea for the way to solve this bug?
> > I give below the output of the command emerge --info (note that I use
> > the flag hardened)
> > Thank you by advance
> >
> > Best regards,
> > Etienne
> >
> > Gentoo Base System version 1.6.14
> > Portage 2.0.54-r2 (default-linux/amd64/2006.0, gcc-3.4.5,
> > glibc-2.3.6-r3, 2.6.15-gentoo-r1-C10 x86_64)
> > =================================================================
> > System uname: 2.6.15-gentoo-r1-C10 x86_64 AMD Athlon(tm) 64 Processor
> > 3500+ ccache version 2.3 [enabled]
> > dev-lang/python:     2.3.5-r2, 2.4.2
> > dev-python/pycrypto: 2.0.1-r4
> > dev-util/ccache:     2.3
> > dev-util/confcache:  [Not Present]
> > sys-apps/sandbox:    1.2.17
> > sys-devel/autoconf:  2.13, 2.59-r7
> > sys-devel/automake:  1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1
> > sys-devel/binutils:  2.16.1-r2
> > sys-devel/libtool:   1.5.22
> > virtual/os-headers:  2.6.11-r2
> > ACCEPT_KEYWORDS="amd64"
> > AUTOCLEAN="yes"
> > CBUILD="x86_64-pc-linux-gnu"
> > CFLAGS="-march=k8 -pipe -fomit-frame-pointer -O2"
> > CHOST="x86_64-pc-linux-gnu"
> > CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config
> > /usr/kde/3.5/shutdown /usr/lib/X11/xkb /usr/share/config
> > /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/
> > /usr/share/texmf/tex/generic/config/
> > /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/"
> > CONFIG_PROTECT_MASK="/etc/gconf /etc/splash /etc/terminfo /etc/env.d"
> > CXXFLAGS="-march=k8 -pipe -fomit-frame-pointer -O2"
> > DISTDIR="/usr/portage/distfiles"
> > FEATURES="autoconfig ccache distlocks sandbox sfperms strict"
> > GENTOO_MIRRORS="http://www.die.unipd.it/pub/Linux/distributions/gentoo-sources/
> > http://mirror.ovh.net/gentoo-distfiles/"
> > LANG="fr_FR@euro"
> > LC_ALL="fr_FR@euro"
> > LINGUAS="fr fr_FR"
> > MAKEOPTS="-j2"
> > PKGDIR="/usr/portage/packages"
> > PORTAGE_TMPDIR="/var/tmp"
> > PORTDIR="/usr/portage"
> > PORTDIR_OVERLAY="/usr/local/portage"
> > SYNC="rsync://rsync.fr.gentoo.org/gentoo-portage"
> > USE="amd64 X aalib alsa arts artswrappersuid audiofile avi
> > bash-completion berkdb bitmap-fonts browserplugin bzip2 caps cdr cli
> > crypt curl dlloader dmx dri dvd eds emboss encode exif expat fam
> > ffmpeg flac font-server foomaticdb fortran gdbm gif glitz glut gmp
> > gnutls gphoto2 gpm gtk gtk2 gtkhtml hardened idn imagemagick imlib
> > ipv6 isdnlog java jpeg jpeg2k junit kde kdeenablefinal kdgraphics lcms
> > libwww lzw lzw-tiff mad md5sum mng mozsvg mp3 mpeg musicbrainz ncurses
> > nls nptl nptlonly nsplugin ogg oggvorbis openal opengl oss pam pcre
> > pdflib perl png pppd python qt quicktime readline reflection ruby sdl
> > session spell spl sqlite ssl svg symlink tcpd tetex tiff toolbar
> > truetype truetype-fonts type1-fonts udev unicode usb userlocales
> > vorbis wmf xine xml2 xorg xpm xprint xv xvid zlib linguas_fr
> > linguas_fr_FR userland_GNU kernel_linux elibc_glibc"
> > Unset:  CTARGET, INSTALL_MASK, LDFLAGS, PORTAGE_RSYNC_EXTRA_OPTS,
> > PORTAGE_RSYNC_OPTS
>
>
> --
> Kevin F. Quinn
>
>
>
-- 
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