"killall sendmail" gives always "killall: stack smashing attack in function kill_all()" It seems that killall works well with other names different from sendmail. This problem occurs with a kernel 2.4.27-openmosix-r2. With a kernel 2.6.11-hardened-r1 there is no message. Reproducible: Always Steps to Reproduce: 1.killall sendmail 2. 3. Portage 2.0.51.22-r2 (hardened/x86/2.6, gcc-3.3.5-20050130, glibc-2.3.4.20040808-r1, 2.4.27-openmosix-r2 i686) ================================================================= System uname: 2.4.27-openmosix-r2 i686 Intel(R) Pentium(R) 4 CPU 1.70GHz Gentoo Base System version 1.6.13 ccache version 2.3 [enabled] dev-lang/python: 2.1.3-r1, 2.2.3-r5, 2.3.5 sys-apps/sandbox: 1.2.10 sys-devel/autoconf: 2.13, 2.59-r6 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9, 1.8.5-r3, 1.9.5 sys-devel/binutils: 2.15.92.0.2-r10 sys-devel/libtool: 1.5.18-r1 virtual/os-headers: 2.4.19-r1, 2.6.11-r2 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O3 -march=i686 -funroll-loops -pipe" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3.1/share/config /usr/kde/3.2/share/config /usr/kde/3.3/env /usr/kde/3.3/share/config /usr/kde/3.3/shutdown /usr/kde/3.4/env /usr/kde/3.4/share/config /usr/kde/3.4/shutdown /usr/kde/3/share/config /usr/lib/X11/xkb /usr/lib/mozilla/defaults/pref /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/ /var/bind /var/qmail/control" CONFIG_PROTECT_MASK="/etc/afs/C /etc/afs/afsws /etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O3 -march=i686 -funroll-loops -pipe" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig buildpkg ccache distlocks sandbox sfperms strict userpriv usersandbox" GENTOO_MIRRORS="http://gentoo.inode.at/ http://www.mirrorservice.org/sites/www.ibiblio.org/gentoo/ http://ftp.belnet.be/mirror/rsync.gentoo.org/gentoo/ http://mirror.switch.ch/mirror/gentoo/ http://www.die.unipd.it/pub/Linux/distributions/gentoo-sources/ http://gentoo.blueyonder.co.uk http://ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/ http://ftp.easynet.nl/mirror/gentoo/ http://ftp.snt.utwente.nl/pub/os/linux/gentoo http://ftp.uni-erlangen.de/pub/mirrors/gentoo http://ftp.du.se/pub/os/gentoo ftp://ftp.belnet.be/mirror/rsync.gentoo.org/gentoo/ http://ftp.lug.ro/gentoo/ http://pandemonium.tiscali.de/pub/gentoo/" MAKEOPTS="-j1" PKGDIR="/usr/portage//packages/x86/" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage/" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="3dfx 3dnow 7zip X X509 Xaw3d accounting acl afs amd apache2 arts artswrappersuid athena authdaemond autofs avascript berkdb bitmap-fonts bonobo bzip2 caps cdr chroot clamav clearpasswd crypt cups curl derectfb dlloader dlz doc dvd eds emacs erandom esd evo extensions f77 fam fax fftw firebird firefox flac font-server foomaticdb footmaticdb foreign-package foreign-sysvinit fortran gamma gatos gb gcj gd gdbm gif gimpprint ginac glibc-compat20 gmp gnome gnutls gpm gssapi gstreamer gtk gtk2 guile hardened hardenedphp hdf hdf5 hesiod hpn i8x0 icc idn imagemagick imap imlib insecure-drivers ipalias jabber java jbig jikes jpeg kde kerberos krb4 largeterminal latex ldap leim lesstiff libclamav libedit libgda libwww lids lirc logrotate lufsusermount mad maildir math matroska mbox mcal md5sum memlimit mikmod milter mimod mmx mng motif mozilla mp3 mpeg mpeg4 mpi msn multilib mupad-noscilab mysql ncurses netcdf nis nls nsplugin oav odbc ogg opengl openntpd oscar oss pam pam_chroot pam_console pam_timestamp parse-clocks passfile pcmcia pdf pdflib perl pic pie plotutils png pnp ppds prelude pwdb python qhull qt quicktime quotas radeon radius rage128 readline rpm samba sasl scanner sdk sdl session sftp sftplogging sis skey slang slp sndfile snmp sox speedo speex spell srp sse sse2 ssl streamzap svg svga tcltk tcpd tetex text tiff transcode truetype truetype-fonts type1 type1-fonts unicode usb userlocales v4l virus-scan voodoo3 vorbis winbind wmf x86 xattr xemacs xine xml xml2 xmms xprint xslt xv xvid yahoo yaz zeo zlib video_cards_3dfx video_cards_gamma video_cards_i810 video_cards_i830 video_cards_matrox video_cards_rage128 video_cards_radeon video_cards_sis userland_GNU kernel_linux elibc_glibc" Unset: ASFLAGS, CTARGET, LANG, LC_ALL, LDFLAGS, LINGUAS
I've never seen this and nobody else has reported anything. Try relaxing your CFLAGS to the gentoo defaults.
