kselftest: sigaltstack built with clang-16 getting failed but passed with gcc-12 build. Please find more details about test logs on clang-16 and gcc-12 and steps to reproduce locally on your machine by using tuxrun.
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
Test log: ----------
Linux version 6.3.0-rc1-next-20230307 (tuxmake@tuxmake) (Debian clang version 16.0.0 (++20230228093516+60692a66ced6-1~exp1~20230228093525.41), Debian LLD 16.0.0) #1 SMP PREEMPT @1678159722 ... kselftest: Running tests in sigaltstack TAP version 13 1..1 # selftests: sigaltstack: sas # # [NOTE] the stack size is 21104 # TAP version 13 # 1..3 # ok 1 Initial sigaltstack state was SS_DISABLE # Bail out! SP is not on sigaltstack # # Planned tests != run tests (3 != 1) # # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 not ok 1 selftests: sigaltstack: sas # exit=1
Links, qemu-x86_64: - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230307/tes...
qemu-arm64: - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230307/tes... - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230307/tes...
kselftest: sigaltstack built with gcc-12 getting pass.
Test log: --------- Linux version 6.3.0-rc1-next-20230307 (tuxmake@tuxmake) (aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP PREEMPT @1678159736 ... kselftest: Running tests in sigaltstack TAP version 13 1..1 # selftests: sigaltstack: sas # # [NOTE] the stack size is 50080 # TAP version 13 # 1..3 # ok 1 Initial sigaltstack state was SS_DISABLE # # [RUN] signal USR1 # ok 2 sigaltstack is disabled in sighandler # # [RUN] switched to user ctx # # [RUN] signal USR2 # # [OK] Stack preserved # ok 3 sigaltstack is still SS_AUTODISARM after signal # # Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0 ok 1 selftests: sigaltstack: sas
Links, qemu-x86_64: - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230307/tes...
qemu-arm64: - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230307/tes... - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230307/tes...
Steps to reproduce: --------------
# To install tuxrun on your system globally: # sudo pip3 install -U tuxrun==0.37.2 # # See https://tuxrun.org/ for complete documentation.
tuxrun \ --runtime podman \ --device qemu-x86_64 \ --boot-args rw \ --kernel https://storage.tuxsuite.com/public/linaro/lkft/builds/2MfXLbLsvBufVn1MrsnXV... \ --modules https://storage.tuxsuite.com/public/linaro/lkft/builds/2MfXLbLsvBufVn1MrsnXV... \ --rootfs https://storage.tuxboot.com/debian/bookworm/amd64/rootfs.ext4.xz \ --parameters SKIPFILE=skipfile-lkft.yaml \ --parameters KSELFTEST=https://storage.tuxsuite.com/public/linaro/lkft/builds/2MfXLbLsvBufVn1MrsnXV... \ --image docker.io/lavasoftware/lava-dispatcher:2023.01.0020.gc1598238f \ --tests kselftest-sigaltstack \ --timeouts boot=15
-- Linaro LKFT https://lkft.linaro.org