selftests: arm64: list of test failures

Mon Mar 20 01:10:13 PDT 2023

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 at linaro.org>

Test log:
--------
[    0.000000] Linux version 6.3.0-rc3-next-20230320 (tuxmake at 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/2NGM7Z86D9eB4UfDbhPFzJ0q6qa/Image.gz
 \
 --modules https://storage.tuxsuite.com/public/linaro/lkft/builds/2NGM7Z86D9eB4UfDbhPFzJ0q6qa/modules.tar.xz
 \
 --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/2NGM7Z86D9eB4UfDbhPFzJ0q6qa/kselftest.tar.xz
 \
 --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/testrun/15730813/suite/kselftest-arm64/test/arm64_check_buffer_fill/log
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230320/testrun/15730813/suite/kselftest-arm64/test/arm64_check_buffer_fill/details/
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230320/testrun/15731016/suite/kselftest-arm64/test/arm64_check_buffer_fill/details/
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230320/testrun/15731016/suite/kselftest-arm64/test/arm64_check_buffer_fill/log

mainline:
https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.3-rc3/testrun/15724690/suite/kselftest-arm64/test/arm64_check_buffer_fill/details/
https://qa-reports.linaro.org/lkft/linux-mainline-master/build/v6.3-rc3/testrun/15724690/suite/kselftest-arm64/test/arm64_check_buffer_fill/log

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