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Bug 363065

Summary: sys-devel/gcc-4.5.2 _FORTIFY_SOURCE indicates presence of overflow
Product: Gentoo Linux Reporter: Justin Lecher (RETIRED) <jlec>
Component: Current packagesAssignee: Gentoo Toolchain Maintainers <toolchain>
Status: RESOLVED DUPLICATE    
Severity: normal    
Priority: High    
Version: unspecified   
Hardware: All   
OS: Linux   
Whiteboard:
Package list:
Runtime testing required: ---
Attachments: gcc-4.5.2:20110411-095339.log.xz

Description Justin Lecher (RETIRED) gentoo-dev 2011-04-11 10:21:59 UTC
* QA Notice: Package has poor programming practices which may compile
 *            fine but exhibit random runtime failures.
 * /usr/include/bits/string3.h:52:71: warning: call to void* __builtin___memcpy_chk(void*, const void*, long unsigned int, long unsigned int) will always overflow destination buffer
 * /usr/include/bits/string3.h:52:71: warning: call to void* __builtin___memcpy_chk(void*, const void*, long unsigned int, long unsigned int) will always overflow destination buffer
 * Please do not file a Gentoo bug and instead report the above QA
 * issues directly to the upstream developers of this software.

was introduced when adding gcj USE



$ einfo gcc:4.5
Portage 2.2.0_alpha29 (default/linux/amd64/10.0, gcc-4.5.2-asneeded, glibc-2.13-r2, 2.6.38-lh-r1 x86_64)
=================================================================
                        System Settings
=================================================================
System uname: Linux-2.6.38-lh-r1-x86_64-Intel-R-_Core-TM-_i7_CPU_860_@_2.80GHz-with-gentoo-2.0.2
Timestamp of tree: Mon, 11 Apr 2011 05:30:01 +0000
ccache version 3.1.4 [enabled]
app-shells/bash:     4.1_p9
dev-java/java-config: 2.1.11-r3
dev-lang/python:     2.6.6-r2, 2.7.1-r1, 3.1.3-r1
dev-util/ccache:     3.1.4
dev-util/cmake:      2.8.4
sys-apps/baselayout: 2.0.2
sys-apps/openrc:     0.8.0
sys-apps/sandbox:    2.5
sys-devel/autoconf:  2.13, 2.68
sys-devel/automake:  1.9.6-r3, 1.10.3, 1.11.1
sys-devel/binutils:  2.21
sys-devel/gcc:       4.5.2, 4.6.0
sys-devel/gcc-config: 1.4.1
sys-devel/libtool:   2.4-r1::last-hope
sys-devel/make:      3.81-r2
virtual/os-headers:  2.6.38 (sys-kernel/linux-headers)
Repositories: gentoo sunrise dummy science last-hope g-ctan
Installed sets: 
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="*"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -pipe -march=core2 -mcx16 -msahf -mpopcnt -msse4.2 --param l1-cache-size=32 --param l1-cache-line-size=64 --param l2-cache-size=8192 -mtune=core2 -frecord-gcc-switches -g -Wimplicit-function-declaration"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt /usr/share/nano/ /usr/share/openvpn/easy-rsa /var/lib/hsqldb /var/spool/torque"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-O2 -pipe -march=core2 -mcx16 -msahf -mpopcnt -msse4.2 --param l1-cache-size=32 --param l1-cache-line-size=64 --param l2-cache-size=8192 -mtune=core2 -frecord-gcc-switches -g -Wenum-compare"
DISTDIR="/usr/portage/distfiles"
EMERGE_DEFAULT_OPTS="-t --jobs=12 --load-average=12 --keep-going"
FEATURES="assume-digests binpkg-logs buildsyspkg ccache collision-protect distlocks fixlafiles fixpackages metadata-transfer multilib-strict news noinfo parallel-fetch preserve-libs protect-owned sandbox sfperms sign split-log splitdebug strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync"
FFLAGS="-O2 -pipe -march=core2 -mcx16 -msahf -mpopcnt -msse4.2 --param l1-cache-size=32 --param l1-cache-line-size=64 --param l2-cache-size=8192 -mtune=core2 -frecord-gcc-switches -g"
GENTOO_MIRRORS=" http://gentoo.j-schmitz.net/mirror/ ftp://ftp.gentoo.mesh-solutions.com/gentoo/ ftp://sunsite.informatik.rwth-aachen.de/pub/Linux/gentoo ftp://ftp.tu-clausthal.de/pub/linux/gentoo/"
LANG="en_GB.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,-O1 -Wl,--hash-style=gnu -Wl,--sort-common"
LINGUAS="en"
MAKEOPTS="-j6 -l12"
PKGDIR="/usr/portage/packages"
PORTAGE_COMPRESS="xz"
PORTAGE_COMPRESS_FLAGS="-z -v"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/data/local/sunrise/reviewed /data/local/dummy /data/local/sci /data/local/lh/ebuilds /data/local/g-ctan"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="64bit 7zip X acpi additions alsa amd64 arpwarp atlas bash-completion berkdb blas branding bzip2 c++ cairo caps cblas ccache cleartype cli command-args consolekit corefonts cracklib cups cupsddk custom-optimization cxx dbus dri dts exif fbcondecor fortran gdbm gif glibc-omitfp gmp gnome gnome-keyring gpm graphics gstreamer gtk hddtemp iconv icu ios ipod javascript jpeg kqemu lapack largefile lcms ldap libnotify libsexy lm_sensors lzma mailtrain md5sum mmx mng modules mp3 mudflap multilib multiuser nagios-dns nagios-ntp nagios-ping nagios-ssh nano-syntax ncurses network-cron nis nls nptl nptlonly nsplugin objc objc++ opengl openmp openntpd pam pcre pdf perl png policykit pppd pymol python qt-static qt3support readline rrdcgi rrdtool science sensord session smp sqlite sqlite3 sse sse2 ssl startup-notification svg sysfs system-sqlite tcpd threads tiff truetype type1 udev unicode vaapi vdpau x264 xcb xcomposite xinerama xorg xulrunner zlib" ALSA_CARDS="hda-intel" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" DRACUT_MODULES="plymouth" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="en" PHP_TARGETS="php5-3" QEMU_SOFTMMU_TARGETS="i386 x86_64" QEMU_USER_TARGETS="i386 x86_64" RUBY_TARGETS="ruby18" USERLAND="GNU" VIDEO_CARDS="nvidia" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" 
Unset:  CPPFLAGS, CTARGET, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_RSYNC_EXTRA_OPTS

=================================================================
                        Package Settings
=================================================================

sys-devel/gcc-4.5.2 was built with the following:
USE="fortran gcj graphite mudflap (multilib) nls nptl objc objc++ openmp (-altivec) -bootstrap -build -doc (-fixed-point) -gtk (-hardened) (-libffi) -lto -multislot (-n32) (-n64) -nocxx -nopie -nossp -objc-gc -test -vanilla"
CFLAGS="-O2 -pipe -march=core2 -mtune=core2 -g -Wimplicit-function-declaration"
CXXFLAGS="-O2 -pipe -march=core2 -mtune=core2 -g -Wenum-compare"
Comment 1 Justin Lecher (RETIRED) gentoo-dev 2011-04-11 10:23:58 UTC
Created attachment 269459 [details]
gcc-4.5.2:20110411-095339.log.xz

build.log xz compressed
Comment 2 Ryan Hill (RETIRED) gentoo-dev 2011-04-11 10:50:08 UTC

*** This bug has been marked as a duplicate of bug 346583 ***