Hello! On 11/19/21 11:37 AM, Greg Kroah-Hartman wrote:
This is the start of the stable review cycle for the 5.10.81 release. There are 21 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know. Responses should be made by Sun, 21 Nov 2021 17:14:35 +0000. Anything received after that time might be too late. The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.81-rc1.gz or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y and the diffstat can be found below. thanks, greg k-h ------------- Pseudo-Shortlog of commits: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Linux 5.10.81-rc1
[...]> Peter Zijlstra <peterz@xxxxxxxxxxxxx>
x86/iopl: Fake iopl(3) CLI/STI usage
[...] Results from Linaro's test farm. Regressions found on x86_64 and i386, on iopl. Here's an excerpt of the selftest: [ 0.000000] Linux version 5.10.81-rc1 (oe-user@oe-host) (x86_64-linaro-linux-gcc (GCC) 7.3.0, GNU ld (GNU Binutils) 2.30.0.20180208) #1 SMP Fri Nov 19 19:48:55 UTC 2021 [...] [ 170.351838] traps: iopl_64[2769] attempts to use CLI/STI, pretending it's a NOP, ip:400dde in iopl_64[400000+2000] [...] # selftests: x86: iopl_64 # [FAIL] CLI worked # [FAIL] STI worked # [OK] outb to 0x80 worked # [OK] outb to 0x80 worked # [OK] outb to 0xed failed # child: set IOPL to 3 # [RUN] child: write to 0x80 # [FAIL] CLI worked # [FAIL] STI worked # [OK] outb to 0x80 worked # [OK] outb to 0x80 worked # [OK] outb to 0xed failed # [OK] Child succeeded # [RUN] parent: write to 0x80 (should fail) # [OK] outb to 0x80 failed # [OK] CLI faulted # [OK] STI faulted # iopl(3) # Drop privileges # [RUN] iopl(3) unprivileged but with IOPL==3 # [RUN] iopl(0) unprivileged # [RUN] iopl(3) unprivileged # [OK] Failed as expected not ok 7 selftests: x86: iopl_64 # exit=1 The baseline kernel (v5.10.80) exhibited this output: # selftests: x86: iopl_64 # [OK] CLI faulted # [OK] STI faulted # [OK] outb to 0x80 worked # [OK] outb to 0x80 worked # [OK] outb to 0xed failed # child: set IOPL to 3 # [RUN] child: write to 0x80 # [OK] CLI faulted # [OK] STI faulted # [OK] outb to 0x80 worked # [OK] outb to 0x80 worked # [OK] outb to 0xed failed # [OK] Child succeeded # [RUN] parent: write to 0x80 (should fail) # [OK] outb to 0x80 failed # [OK] CLI faulted # [OK] STI faulted # iopl(3) # Drop privileges # [RUN] iopl(3) unprivileged but with IOPL==3 # [RUN] iopl(0) unprivileged # [RUN] iopl(3) unprivileged # [OK] Failed as expected ok 7 selftests: x86: iopl_64 ## Build * kernel: 5.10.81-rc1 * git: ['https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git', 'https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc'] * git branch: linux-5.10.y * git commit: ed689bd1df46a07911fffa509cd06c5ec7beb9c1 * git describe: v5.10.80-22-ged689bd1df46 * test details: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.10.y/build/v5.10.80-22-ged689bd1df46 ## Regressions (compared to v5.10.80) * i386, kselftest-x86 - x86.iopl_32 * qemu_x86_64, kselftest-x86 - x86.iopl_64 * x86, kselftest-x86 - x86.iopl_64 Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> ## No fixes (compared to v5.10.80) ## Test result summary total: 91125, pass: 77560, fail: 574, skip: 12243, xfail: 748 ## Build Summary * arc: 10 total, 10 passed, 0 failed * arm: 259 total, 259 passed, 0 failed * arm64: 37 total, 37 passed, 0 failed * dragonboard-410c: 1 total, 1 passed, 0 failed * hi6220-hikey: 1 total, 1 passed, 0 failed * i386: 36 total, 36 passed, 0 failed * juno-r2: 1 total, 1 passed, 0 failed * mips: 34 total, 34 passed, 0 failed * parisc: 12 total, 12 passed, 0 failed * powerpc: 54 total, 46 passed, 8 failed * riscv: 24 total, 24 passed, 0 failed * s390: 18 total, 18 passed, 0 failed * sh: 24 total, 24 passed, 0 failed * sparc: 12 total, 12 passed, 0 failed * x15: 1 total, 1 passed, 0 failed * x86: 1 total, 1 passed, 0 failed * x86_64: 37 total, 37 passed, 0 failed ## Test suites summary * fwts * igt-gpu-tools * kselftest-android * kselftest-bpf * kselftest-breakpoints * kselftest-capabilities * kselftest-cgroup * kselftest-clone3 * kselftest-core * kselftest-cpu-hotplug * kselftest-cpufreq * kselftest-drivers * kselftest-efivarfs * kselftest-filesystems * kselftest-firmware * kselftest-fpu * kselftest-futex * kselftest-gpio * kselftest-intel_pstate * kselftest-ipc * kselftest-ir * kselftest-kcmp * kselftest-kexec * kselftest-kvm * kselftest-lib * kselftest-livepatch * kselftest-membarrier * kselftest-memfd * kselftest-memory-hotplug * kselftest-mincore * kselftest-mount * kselftest-mqueue * kselftest-net * kselftest-netfilter * kselftest-nsfs * kselftest-openat2 * kselftest-pid_namespace * kselftest-pidfd * kselftest-proc * kselftest-pstore * kselftest-ptrace * kselftest-rseq * kselftest-rtc * kselftest-seccomp * kselftest-sigaltstack * kselftest-size * kselftest-splice * kselftest-static_keys * kselftest-sync * kselftest-sysctl * kselftest-tc-testing * kselftest-timens * kselftest-timers * kselftest-tmpfs * kselftest-tpm2 * kselftest-user * kselftest-vm * kselftest-x86 * kselftest-zram * kunit * kvm-unit-tests * libgpiod * libhugetlbfs * linux-log-parser * ltp-cap_bounds-tests * ltp-commands-tests * ltp-containers-tests * ltp-controllers-tests * ltp-cpuhotplug-tests * ltp-crypto-tests * ltp-cve-tests * ltp-dio-tests * ltp-fcntl-locktests-tests * ltp-filecaps-tests * ltp-fs-tests * ltp-fs_bind-tests * ltp-fs_perms_simple-tests * ltp-fsx-tests * ltp-hugetlb-tests * ltp-io-tests * ltp-ipc-tests * ltp-math-tests * ltp-mm-tests * ltp-nptl-tests * ltp-open-posix-tests * ltp-pty-tests * ltp-sched-tests * ltp-securebits-tests * ltp-syscalls-tests * ltp-tracing-tests * network-basic-tests * packetdrill * perf * rcutorture * ssuite * v4l2-compliance Greetings! Daniel Díaz daniel.diaz@xxxxxxxxxx -- Linaro LKFT https://lkft.linaro.org