selftests: arm64 below list of test cases fails on Linux next and Linux mainline builds with clang-16 and gcc-12 kernel booted on recently configured tuxrun qemu-arm64 (v7.2) enabled with MTE=on.

Am I missing anything on test configs / environment ?

List of selftests: arm64 test failures, - not ok 38 selftests: arm64: check_buffer_fill # exit=1 - not ok 39 selftests: arm64: check_child_memory # exit=1 - not ok 41 selftests: arm64: check_ksm_options # exit=1 - not ok 42 selftests: arm64: check_mmap_options # exit=1 - not ok 44 selftests: arm64: check_tags_inclusion # exit=1

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

Test log: -------- [ 0.000000] Linux version 6.3.0-rc3-next-20230320 (tuxmake@tuxmake) (Debian clang version 16.0.0 (++20230314094206+fce3e75e01ba-1~exp1~20230314094258.55), Debian LLD 16.0.0) #1 SMP PREEMPT @1679285968 .. [ 0.000000] CPU features: detected: Memory Tagging Extension ..

# selftests: arm64: check_buffer_fill # 1..20 # not ok 1 Check buffer correctness by byte with sync err mode and mmap memory # not ok 2 Check buffer correctness by byte with async err mode and mmap memory # not ok 3 Check buffer correctness by byte with sync err mode and mmap/mprotect memory # not ok 4 Check buffer correctness by byte with async err mode and mmap/mprotect memory # not ok 5 Check buffer write underflow by byte with sync mode and mmap memory # not ok 6 Check buffer write underflow by byte with async mode and mmap memory # ok 7 Check buffer write underflow by byte with tag check fault ignore and mmap memory # ok 8 Check buffer write underflow by byte with sync mode and mmap memory # ok 9 Check buffer write underflow by byte with async mode and mmap memory # ok 10 Check buffer write underflow by byte with tag check fault ignore and mmap memory # not ok 11 Check buffer write overflow by byte with sync mode and mmap memory # not ok 12 Check buffer write overflow by byte with async mode and mmap memory # ok 13 Check buffer write overflow by byte with tag fault ignore mode and mmap memory # not ok 14 Check buffer write correctness by block with sync mode and mmap memory # not ok 15 Check buffer write correctness by block with async mode and mmap memory # ok 16 Check buffer write correctness by block with tag fault ignore and mmap memory # ok 17 Check initial tags with private mapping, sync error mode and mmap memory # ok 18 Check initial tags with private mapping, sync error mode and mmap/mprotect memory # ok 19 Check initial tags with shared mapping, sync error mode and mmap memory # ok 20 Check initial tags with shared mapping, sync error mode and mmap/mprotect memory # # Totals: pass:10 fail:10 xfail:0 xpass:0 skip:0 error:0 not ok 38 selftests: arm64: check_buffer_fill # exit=1

# selftests: arm64: check_child_memory # 1..12 # not ok 1 Check child anonymous memory with private mapping, precise mode and mmap memory # not ok 2 Check child anonymous memory with shared mapping, precise mode and mmap memory # not ok 3 Check child anonymous memory with private mapping, imprecise mode and mmap memory # not ok 4 Check child anonymous memory with shared mapping, imprecise mode and mmap memory # not ok 5 Check child anonymous memory with private mapping, precise mode and mmap/mprotect memory # not ok 6 Check child anonymous memory with shared mapping, precise mode and mmap/mprotect memory # not ok 7 Check child file memory with private mapping, precise mode and mmap memory # not ok 8 Check child file memory with shared mapping, precise mode and mmap memory # not ok 9 Check child file memory with private mapping, imprecise mode and mmap memory # not ok 10 Check child file memory with shared mapping, imprecise mode and mmap memory # not ok 11 Check child file memory with private mapping, precise mode and mmap/mprotect memory # not ok 12 Check child file memory with shared mapping, precise mode and mmap/mprotect memory # # Totals: pass:0 fail:12 xfail:0 xpass:0 skip:0 error:0 not ok 39 selftests: arm64: check_child_memory # exit=1

# selftests: arm64: check_ksm_options # 1..4 # # Invalid MTE synchronous exception caught! not ok 41 selftests: arm64: check_ksm_options # exit=1

# selftests: arm64: check_mmap_options # 1..22 # ok 1 Check anonymous memory with private mapping, sync error mode, mmap memory and tag check off # ok 2 Check file memory with private mapping, sync error mode, mmap/mprotect memory and tag check off # ok 3 Check anonymous memory with private mapping, no error mode, mmap memory and tag check off # ok 4 Check file memory with private mapping, no error mode, mmap/mprotect memory and tag check off # not ok 5 Check anonymous memory with private mapping, sync error mode, mmap memory and tag check on # not ok 6 Check anonymous memory with private mapping, sync error mode, mmap/mprotect memory and tag check on # not ok 7 Check anonymous memory with shared mapping, sync error mode, mmap memory and tag check on # not ok 8 Check anonymous memory with shared mapping, sync error mode, mmap/mprotect memory and tag check on # not ok 9 Check anonymous memory with private mapping, async error mode, mmap memory and tag check on # not ok 10 Check anonymous memory with private mapping, async error mode, mmap/mprotect memory and tag check on # not ok 11 Check anonymous memory with shared mapping, async error mode, mmap memory and tag check on # not ok 12 Check anonymous memory with shared mapping, async error mode, mmap/mprotect memory and tag check on # not ok 13 Check file memory with private mapping, sync error mode, mmap memory and tag check on # not ok 14 Check file memory with private mapping, sync error mode, mmap/mprotect memory and tag check on # not ok 15 Check file memory with shared mapping, sync error mode, mmap memory and tag check on # not ok 16 Check file memory with shared mapping, sync error mode, mmap/mprotect memory and tag check on # not ok 17 Check file memory with private mapping, async error mode, mmap memory and tag check on # not ok 18 Check file memory with private mapping, async error mode, mmap/mprotect memory and tag check on # not ok 19 Check file memory with shared mapping, async error mode, mmap memory and tag check on # not ok 20 Check file memory with shared mapping, async error mode, mmap/mprotect memory and tag check on # not ok 21 Check clear PROT_MTE flags with private mapping, sync error mode and mmap memory # not ok 22 Check clear PROT_MTE flags with private mapping and sync error mode and mmap/mprotect memory # # Totals: pass:4 fail:18 xfail:0 xpass:0 skip:0 error:0 not ok 42 selftests: arm64: check_mmap_options # exit=1

# selftests: arm64: check_tags_inclusion # 1..4 # # Unexpected fault recorded for 0xb00ffff97724000-0xb00ffff97724050 in mode 1 # not ok 1 Check an included tag value with sync mode # # Unexpected fault recorded for 0xc00ffff97724000-0xc00ffff97724050 in mode 1 # not ok 2 Check different included tags value with sync mode # ok 3 Check none included tags value with sync mode # # Unexpected fault recorded for 0xc00ffff97724000-0xc00ffff97724050 in mode 1 # not ok 4 Check all included tags value with sync mode # # Totals: pass:1 fail:3 xfail:0 xpass:0 skip:0 error:0 not ok 44 selftests: arm64: check_tags_inclusion # exit=1

steps to reproduce: -------

# To install tuxrun on your system globally: # sudo pip3 install -U tuxrun==0.38.1 # # See https://tuxrun.org/ for complete documentation.

tuxrun \ --runtime podman \ --device qemu-arm64 \ --boot-args rw \ --kernel https://storage.tuxsuite.com/public/linaro/lkft/builds/2NGM7Z86D9eB4UfDbhPFz... \ --modules https://storage.tuxsuite.com/public/linaro/lkft/builds/2NGM7Z86D9eB4UfDbhPFz... \ --rootfs https://storage.tuxboot.com/debian/bookworm/arm64/rootfs.ext4.xz \ --parameters SKIPFILE=skipfile-lkft.yaml \ --parameters KSELFTEST=https://storage.tuxsuite.com/public/linaro/lkft/builds/2NGM7Z86D9eB4UfDbhPFz... \ --image docker.io/lavasoftware/lava-dispatcher:2023.01.0020.gc1598238f \ --tests kselftest-arm64 \ --timeouts boot=30 kselftest-arm64=60

Boot command: ...... /usr/bin/qemu-system-aarch64 \ -cpu max,pauth-impdef=on \ -machine virt,gic-version=3,mte=on \ -nographic \ -nic none \ -m 4G \ -monitor none \ -no-reboot \ -smp 2 \ -kernel Image \ -append "console=ttyAMA0,115200 rootwait root=/dev/vda debug verbose console_msg_format=syslog rw earlycon" \ -drive file=/debian_bookworm_arm64_rootfs.ext4,if=none,format=raw,id=hd0 \ -device virtio-blk-device,drive=hd0

Test log links, Linux next: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230320/tes... https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230320/tes... https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230320/tes... https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230320/tes...

mainline: https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.3-rc3/test... https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.3-rc3/test...

-- Linaro LKFT https://lkft.linaro.org