https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106624
Bug ID: 106624 Summary: [13 Regression] LTO plugin fails to build in parallel builds: xgcc: fatal error: cannot execute '/build/build/./prev-gcc/collect2': execv: Bad address Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap Assignee: unassigned at gcc dot gnu.org Reporter: slyfox at gcc dot gnu.org Target Milestone: --- Created attachment 53460 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53460&action=edit bad.log.xz This week's gcc snapshot fails bootstrap builds in parallel mode surprisingly frequently. The symptom is the same: build fails while .libs/liblto_plugin.so is being linked. I attached successful good.log.xz (-j1) and failing bad.log.xz (-j16) builds. Can you help me understand why it fails? Failure snippet is: checking for fgets_unlocked... /nix/store/i3ibpx67yncp4w4mpkf5pwvjjsd0aqln-bootstrap-tools/bin/bash ./libtool --tag=CC --tag=disable-static --mode=link /build/build/./prev-gcc/xgcc -B/build/build/./prev-gcc/ -B/nix/store/v06bn3lc2s0yjci9px8l829mbks695fm-gfortran-13.0.0/x86_64-unknown-linux-gnu/bin/ -O2 -I/nix/store/q7l8qdpbvm594q4ayf4xr8wfqknc0nmg-glibc-2.35-163-dev/include -B/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib/ -idirafter /nix/store/q7l8qdpbvm594q4ayf4xr8wfqknc0nmg-glibc-2.35-163-dev/include -idirafter /nix/store/i3ibpx67yncp4w4mpkf5pwvjjsd0aqln-bootstrap-tools/lib/gcc/x86_64-unknown-linux-gnu/8.3.0/include-fixed -Wl,-rpath,/nix/store/m3wi1gn0309l15zrha95yv9mw39972db-gfortran-13.0.0-lib/lib -Wl,-L/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib -Wl,-rpath -Wl,/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib -Wl,-dynamic-linker=/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib/ld-linux-x86-64.so.2 --sysroot=/ -fno-checking -Wall -fcf-protection -DBASE_VERSION='"13.0.0"' -O2 -I/nix/store/q7l8qdpbvm594q4ayf4xr8wfqknc0nmg-glibc-2.35-163-dev/include -B/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib/ -idirafter /nix/store/q7l8qdpbvm594q4ayf4xr8wfqknc0nmg-glibc-2.35-163-dev/include -idirafter /nix/store/i3ibpx67yncp4w4mpkf5pwvjjsd0aqln-bootstrap-tools/lib/gcc/x86_64-unknown-linux-gnu/8.3.0/include-fixed -Wl,-rpath,/nix/store/m3wi1gn0309l15zrha95yv9mw39972db-gfortran-13.0.0-lib/lib -Wl,-L/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib -Wl,-rpath -Wl,/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib -Wl,-dynamic-linker=/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib/ld-linux-x86-64.so.2 -fno-checking -gtoggle -Wc,-static-libgcc -pthread -module -avoid-version -bindir /nix/store/v06bn3lc2s0yjci9px8l829mbks695fm-gfortran-13.0.0/libexec/gcc/x86_64-unknown-linux-gnu/13.0.0 -Wl,--version-script=../../gcc-13-20220814/lto-plugin/lto-plugin.map -Xcompiler '-static-libstdc++' -Xcompiler '-static-libgcc' '-O2' '-I/nix/store/q7l8qdpbvm594q4ayf4xr8wfqknc0nmg-glibc-2.35-163-dev/include' -Xcompiler '-B/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib/' '-idirafter' '/nix/store/q7l8qdpbvm594q4ayf4xr8wfqknc0nmg-glibc-2.35-163-dev/include' '-idirafter' '/nix/store/i3ibpx67yncp4w4mpkf5pwvjjsd0aqln-bootstrap-tools/lib/gcc/x86_64-unknown-linux-gnu/8.3.0/include-fixed' '-Wl,-rpath,/nix/store/m3wi1gn0309l15zrha95yv9mw39972db-gfortran-13.0.0-lib/lib' '-Wl,-L/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib' '-Wl,-rpath' '-Wl,/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib' '-Wl,-dynamic-linker=/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib/ld-linux-x86-64.so.2' -o liblto_plugin.la -rpath /nix/store/v06bn3lc2s0yjci9px8l829mbks695fm-gfortran-13.0.0/libexec/gcc/x86_64-unknown-linux-gnu/13.0.0 lto-plugin.lo -Wc,../libiberty/pic/libiberty.a yes checking for fileno_unlocked... libtool: link: /build/build/./prev-gcc/xgcc -B/build/build/./prev-gcc/ -B/nix/store/v06bn3lc2s0yjci9px8l829mbks695fm-gfortran-13.0.0/x86_64-unknown-linux-gnu/bin/ -O2 -I/nix/store/q7l8qdpbvm594q4ayf4xr8wfqknc0nmg-glibc-2.35-163-dev/include -B/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib/ -idirafter /nix/store/q7l8qdpbvm594q4ayf4xr8wfqknc0nmg-glibc-2.35-163-dev/include -idirafter /nix/store/i3ibpx67yncp4w4mpkf5pwvjjsd0aqln-bootstrap-tools/lib/gcc/x86_64-unknown-linux-gnu/8.3.0/include-fixed -Wl,-rpath,/nix/store/m3wi1gn0309l15zrha95yv9mw39972db-gfortran-13.0.0-lib/lib -Wl,-L/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib -Wl,-rpath -Wl,/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib -Wl,-dynamic-linker=/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib/ld-linux-x86-64.so.2 --sysroot=/ -fno-checking -shared -fPIC -DPIC .libs/lto-plugin.o -Wl,-rpath -Wl,/nix/store/m3wi1gn0309l15zrha95yv9mw39972db-gfortran-13.0.0-lib/lib -Wl,-L/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib -Wl,-rpath -Wl,/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib -Wl,-dynamic-linker=/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib/ld-linux-x86-64.so.2 -Wl,-rpath -Wl,/nix/store/m3wi1gn0309l15zrha95yv9mw39972db-gfortran-13.0.0-lib/lib -Wl,-L/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib -Wl,-rpath -Wl,/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib -Wl,-dynamic-linker=/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib/ld-linux-x86-64.so.2 -static-libgcc -pthread -Wl,--version-script=../../gcc-13-20220814/lto-plugin/lto-plugin.map -static-libstdc++ -static-libgcc -B/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib/ -Wl,-rpath -Wl,/nix/store/m3wi1gn0309l15zrha95yv9mw39972db-gfortran-13.0.0-lib/lib -Wl,-L/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib -Wl,-rpath -Wl,/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib -Wl,-dynamic-linker=/nix/store/z1as323dfsk12agzlp9ia35p5801isd7-glibc-2.35-163/lib/ld-linux-x86-64.so.2 ../libiberty/pic/libiberty.a -pthread -Wl,-soname -Wl,liblto_plugin.so -o .libs/liblto_plugin.so xgcc: fatal error: cannot execute '/build/build/./prev-gcc/collect2': execv: Bad address compilation terminated. make[4]: *** [Makefile:472: liblto_plugin.la] Error 1 make[4]: Leaving directory '/build/build/lto-plugin' make[3]: *** [Makefile:383: all] Error 2 make[3]: Leaving directory '/build/build/lto-plugin' make[2]: *** [Makefile:15579: all-stage2-lto-plugin] Error 2 make[2]: *** Waiting for unfinished jobs....