Created attachment 871216 [details] build.log x86_64-pc-linux-gnu-gcc -O2 -pipe -march=native -fdiagnostics-color=always -frecord-gcc-switches -Wreturn-type -Wall -Wundef -Werror=implicit-function-declaration -Wno-char-subscripts -Wno-pointer-sign -funsigned-char -Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0 -Wl,-z,pack-relative-relocs -xc - -lssl -o generated/unstripped/libprobe echo -n -lssl generated/{Config.in,newtoys.hx86_64-pc-linux-gnu-gcc scripts/mkflags.c -o generated/unstripped/mkflags ,flags.h,globals.hx86_64-pc-linux-gnu-gcc scripts/mktags.c -o generated/unstripped/mktags ,tags.hx86_64-pc-linux-gnu-gcc scripts/config2help.c -o generated/unstripped/config2help ,help.hscripts/make.sh: line 266: 785 Segmentation fault (core dumped) "$UNSTRIPPED"/config2help Config.in $KCONFIG_CONFIG > "$GENDIR"/help.h make: *** [Makefile:17: toybox] Error 1 * ERROR: sys-apps/toybox-0.8.10::gentoo failed (compile phase): * emake failed ---- # emerge --info Portage 3.0.51_p29 (python 3.12.0-candidate-3, default/linux/amd64/17.1/hardened, gcc-13, glibc-2.38-r3, 6.5.5 x86_64) ================================================================= System uname: Linux-6.5.5-x86_64-AMD_Ryzen_9_3950X_16-Core_Processor-with-glibc2.38 KiB Mem: 65756084 total, 20471164 free KiB Swap: 16662520 total, 16662520 free Timestamp of repository gentoo: Sun, 24 Sep 2023 06:01:39 +0000 Head commit of repository gentoo: 8f2a2386296169162b62f4331eed467b43bc9043 Timestamp of repository emacs: Fri, 18 Aug 2023 01:47:40 +0000 Head commit of repository emacs: 0612447d9084640aa31dcb4ea656cabf32c535a5 Timestamp of repository kde: Thu, 21 Sep 2023 13:16:32 +0000 Head commit of repository kde: 1ee398f37fb326a509b5fdb0dac071a173bacbd8 Timestamp of repository qt: Sat, 23 Sep 2023 16:01:36 +0000 Head commit of repository qt: 869bc771c5645e0049ea90ebfda57297e73512ce Timestamp of repository sam_c: Thu, 14 Sep 2023 23:46:32 +0000 Head commit of repository sam_c: 6b52c74346312eed19c5a0cb434af326f2e5b0d9 Timestamp of repository steam-overlay: Sat, 23 Sep 2023 20:31:33 +0000 Head commit of repository steam-overlay: 275ac47be3a1baa90b370f1600884e2f979e5bd7 sh dash 0.5.12 ld GNU ld (Gentoo 2.41 p2) 2.41.0 ccache version 4.8.3 [disabled] app-misc/pax-utils: 1.3.7::gentoo app-shells/bash: 5.2_p15-r6::gentoo dev-java/java-config: 2.3.1-r1::gentoo dev-lang/perl: 5.38.0-r1::gentoo dev-lang/python: 3.10.13::gentoo, 3.11.5::gentoo, 3.12.0_rc3::gentoo dev-lang/rust: 1.72.0::gentoo dev-util/ccache: 4.8.3::gentoo dev-util/cmake: 3.27.6-r1::gentoo dev-util/meson: 1.2.1-r2::gentoo sys-apps/baselayout: 2.14::gentoo sys-apps/sandbox: 2.38::gentoo sys-apps/systemd: 254.4::gentoo sys-devel/autoconf: 2.13-r8::gentoo, 2.69-r9::gentoo, 2.71-r7::gentoo, 9999::gentoo sys-devel/automake: 1.16.5-r1::gentoo sys-devel/binutils: 2.38-r2::gentoo, 2.39-r5::gentoo, 2.41-r1::gentoo sys-devel/binutils-config: 5.5::gentoo sys-devel/clang: 15.0.7-r3::gentoo, 16.0.6::gentoo, 17.0.1::gentoo sys-devel/gcc: 10.5.0::gentoo, 11.4.1_p20230921::gentoo, 12.3.1_p20230922::gentoo, 13.2.1_p20230923::gentoo, 14.0.0_pre20230917::gentoo sys-devel/gcc-config: 2.11::gentoo sys-devel/libtool: 2.4.7-r1::gentoo sys-devel/lld: 16.0.6::gentoo, 17.0.1::gentoo sys-devel/llvm: 15.0.7-r3::gentoo, 16.0.6::gentoo, 17.0.1::gentoo sys-devel/make: 4.4.1-r1::gentoo sys-kernel/linux-headers: 6.5::gentoo (virtual/os-headers) sys-libs/glibc: 2.38-r3::gentoo Repositories: gentoo location: /var/db/repos/gentoo sync-type: git sync-uri: https://github.com/gentoo-mirror/gentoo.git priority: -1000 eclass-overrides: sam_c volatile: False sync-git-clone-extra-opts: -b stable -c gc.reflogExpire=0 -c gc.reflogExpireUnreachable=0 -c gc.rerereresolved=0 -c gc.rerereunresolved=0 -c gc.pruneExpire=now sync-git-verify-commit-signature: yes crossdev location: /var/db/repos/crossdev masters: gentoo eclass-overrides: sam_c volatile: True emacs location: /var/db/repos/emacs sync-type: git sync-uri: https://github.com/gentoo-mirror/emacs.git masters: gentoo eclass-overrides: sam_c volatile: False kde location: /var/db/repos/kde sync-type: git sync-uri: https://github.com/gentoo-mirror/kde.git masters: gentoo eclass-overrides: sam_c volatile: False local location: /var/db/repos/local masters: gentoo eclass-overrides: sam_c volatile: False qt location: /var/db/repos/qt sync-type: git sync-uri: https://github.com/gentoo-mirror/qt.git masters: gentoo eclass-overrides: sam_c volatile: False sam_c location: /var/db/repos/sam_c sync-type: git sync-uri: https://github.com/gentoo-mirror/sam_c.git masters: gentoo eclass-overrides: sam_c volatile: False steam-overlay location: /var/db/repos/steam-overlay sync-type: git sync-uri: https://github.com/gentoo-mirror/steam-overlay.git masters: gentoo eclass-overrides: sam_c volatile: False test location: /var/db/repos/test masters: gentoo eclass-overrides: sam_c volatile: False Installed sets: @sam-emacs, @sam-fonts, @sam-fortune ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="@FREE" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -pipe -march=native -fdiagnostics-color=always -frecord-gcc-switches -Wreturn-type" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php8.2/ext-active/ /etc/php/cgi-php8.2/ext-active/ /etc/php/cli-php8.2/ext-active/ /etc/php/fpm-php8.2/ext-active/ /etc/php/phpdbg-php8.2/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c" CXXFLAGS="-O2 -pipe -march=native -fdiagnostics-color=always -frecord-gcc-switches -Wreturn-type" DISTDIR="/var/cache/distfiles" EMERGE_DEFAULT_OPTS="--keep-going --with-bdeps=y --complete-graph --deep --dynamic-deps=n --changed-deps=n --usepkg-exclude sys-fs/zfs --usepkg-exclude sys-fs/zfs-kmod --usepkg=y --implicit-system-deps=n --jobs=4 --load-average 32" ENV_UNSET="CARGO_HOME DBUS_SESSION_BUS_ADDRESS DISPLAY GDK_PIXBUF_MODULE_FILE GOBIN GOPATH PERL5LIB PERL5OPT PERLPREFIX PERL_CORE PERL_MB_OPT PERL_MM_OPT XAUTHORITY XDG_CACHE_HOME XDG_CONFIG_HOME XDG_DATA_HOME XDG_RUNTIME_DIR XDG_STATE_HOME" FCFLAGS="-O2 -pipe -march=native -fdiagnostics-color=always -frecord-gcc-switches -Wreturn-type" FEATURES="assume-digests binpkg-docompress binpkg-dostrip binpkg-logs binpkg-multi-instance buildpkg clean-logs config-protect-if-modified distlocks fixlafiles ipc-sandbox mount-sandbox multilib-strict network-sandbox news parallel-fetch parallel-install pid-sandbox pkgdir-index-trusted preserve-libs protect-owned qa-unresolved-soname-deps sandbox sfperms split-log strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O2 -pipe -march=native -fdiagnostics-color=always -frecord-gcc-switches -Wreturn-type" GENTOO_MIRRORS="https://mirrors.gethosted.online/gentoo/ https://www.mirrorservice.org/sites/distfiles.gentoo.org/ https://mirror.bytemark.co.uk/gentoo/ https://mirrors.soeasyto.com/distfiles.gentoo.org/" LANG="en_GB.UTF-8" LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,--defsym=__gentoo_check_ldflags__=0 -Wl,-z,pack-relative-relocs" LEX="reflex" LINGUAS="en en_GB" MAKEOPTS="-j32 -l32" PKGDIR="/var/cache/binpkgs" PORTAGE_BUNZIP2_COMMAND="lbunzip2" PORTAGE_COMPRESS="xz" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --exclude=/.git" PORTAGE_TMPDIR="/var/tmp" RUSTFLAGS="-C target-cpu=native -C link-arg=-Wl,-z,pack-relative-relocs" SHELL="/bin/bash" USE="PIC X a52 aac acl acpi activities aes alsa amd64 avx avx2 bash-completion bluetooth branding bzip2 cairo caps cdda cdr cet clang cli crypt dbus declarative dist-kernel dri dts dvd dvdr editorconfig emacs encode exif f16c filecaps firewalld flac fma3 fortran freetype gdbm gif gmp gpm graphite gtk gui hardened harfbuzz hunspell iconv icu ipv6 jit jpeg kde kdesu kwallet lcms libnotify libtirpc lto mad mmx mmxext mng mp3 mp4 mpeg multilib ncurses nftables nls nptl ogg opengl openmp pam pango pclmul pcre pdf pgo pie pipewire plasma png policykit popcnt ppds pulseaudio qml qt5 rdrand readline screencast sdl seccomp semantic-desktop sha sound spell sse sse2 sse3 sse4_1 sse4_2 sse4a ssl ssp ssse3 startup-notification svg system-av1 system-binutils system-boost system-bootstrap system-cairo system-clang system-digest system-ffmpeg system-harfbuzz system-heimdal system-icu system-jpeg system-leveldb system-libevent system-libs system-libvpx system-libyaml system-llvm system-lz4 system-mitkrb5 system-sqlite system-ssl system-tbb system-uulib system-webp system-zlib systemd test-rust tiff truetype udev udisks unicode upower usb valgrind verify-sig vorbis vulkan wayland widgets x264 xattr xcb xft xml xtpax xv xvid zlib zsh-completion" ABI_X86="32 64" ADA_TARGET="gnat_2021" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd 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" CALLIGRA_FEATURES="karbon sheets words" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt rdrand sha sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" INPUT_DEVICES="libinput" KERNEL="linux" L10N="en en-GB" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LLVM_TARGETS="AArch64 AMDGPU ARM AVR BPF Hexagon Lanai MSP430 Mips NVPTX PowerPC RISCV Sparc SystemZ WebAssembly X86 XCore" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php8-1" POSTGRES_TARGETS="postgres15" PYTHON_SINGLE_TARGET="python3_11" PYTHON_TARGETS="python3_11 pypy3 python3_10 python3_12" QEMU_SOFTMMU_TARGETS="i386 x86_64" QEMU_USER_TARGETS="aarch64 aarch64_be alpha armeb hppa m68k ppc ppc64 ppc64le sparc sparc64" RUBY_TARGETS="ruby31 ruby32" VIDEO_CARDS="amdgpu radeonsi radeon" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq proto steal rawnat logmark ipmark dhcpmac delude chaos account" YACC="byacc" Unset: ADDR2LINE, AR, ARFLAGS, AS, ASFLAGS, CC, CCLD, CONFIG_SHELL, CPP, CPPFLAGS, CTARGET, CXX, CXXFILT, ELFEDIT, EXTRA_ECONF, F77FLAGS, FC, GCOV, GPROF, INSTALL_MASK, LC_ALL, LD, LFLAGS, LIBTOOL, MAKE, MAKEFLAGS, NM, OBJCOPY, OBJDUMP, PORTAGE_BINHOST, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, RANLIB, READELF, SIZE, STRINGS, STRIP, YFLAGS
if I jam HOSTCC="gcc -ggdb3", I get this when running `generated/unstripped/config2help Config.in .config`: Program received signal SIGSEGV, Segmentation fault. 0x00007ffff7f134c5 in ?? () from /usr/lib64/libc.so.6 (gdb) bt #0 0x00007ffff7f134c5 in ?? () from /usr/lib64/libc.so.6 #1 0x00007ffff7e62840 in strndup () from /usr/lib64/libc.so.6 #2 0x00005555555563ac in main (argc=3, argv=0x7fffffffe2d8) at scripts/config2help.c:365 (gdb) possibly slightly more useful from valgrind: ==263576== Invalid read of size 1 ==263576== at 0x4848948: strnlen (vg_replace_strmem.c:464) ==263576== by 0x492C83F: strndup (strndup.c:42) ==263576== by 0x10A3AB: main (config2help.c:365) ==263576== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==263576== ==263576== ==263576== Process terminating with default action of signal 11 (SIGSEGV) ==263576== Access not within mapped region at address 0x0 ==263576== at 0x4848948: strnlen (vg_replace_strmem.c:464) ==263576== by 0x492C83F: strndup (strndup.c:42) ==263576== by 0x10A3AB: main (config2help.c:365) ==263576== If you believe this happened as a result of a stack ==263576== overflow in your program's main thread (unlikely but ==263576== possible), you can try to increase the size of the ==263576== main thread stack using the --main-stacksize= flag. ==263576== The main thread stack size used in this run was 8388608.
from asan/ubsan (probably the most helpful, as you get the naughtiness immediately rather than when it tries to read later on): ``` # HOSTCC="gcc -ggdb3 -fsanitize=address,undefined" make scripts/genconfig.sh scripts/make.sh Library probe generated/{Config.in,newtoys.h,flags.h,globals.h,tags.h+ hostcomp config2help + '[' '!' -f generated/unstripped/config2help ']' + do_loudly gcc -ggdb3 -fsanitize=address,undefined scripts/config2help.c -o generated/unstripped/config2help + '[' -n '' ']' + echo -n '' + gcc -ggdb3 -fsanitize=address,undefined scripts/config2help.c -o generated/unstripped/config2help + isnewer help.h generated/Config.in + '[' -e generated/help.h ']' + echo -n ,help.h ,help.h+ DIDNEWER=, + generated/unstripped/config2help Config.in .config scripts/config2help.c:365:16: runtime error: null pointer passed as argument 1, which is declared to never be null #0 0x55655c3a6fc5 in main scripts/config2help.c:365 #1 0x7efe996f2346 (/usr/lib64/libc.so.6+0x24346) #2 0x7efe996f2408 in __libc_start_main (/usr/lib64/libc.so.6+0x24408) #3 0x55655c3a2604 in _start (/var/tmp/portage/sys-apps/toybox-0.8.10/work/toybox-0.8.10/generated/unstripped/config2help+0xc604) + exit 1 make: *** [Makefile:17: toybox] Error 1 ```
