# git rev-parse -q --verify d0a6a8a4acef0425b304e2dbcd4ab18b8a73d1ed^{commit} # git fetch -q -n -f git://gitlab.ozlabs.ibm.com/linuxppc/linux.git next-test # git rev-parse -q --verify d0a6a8a4acef0425b304e2dbcd4ab18b8a73d1ed^{commit} d0a6a8a4acef0425b304e2dbcd4ab18b8a73d1ed # git checkout -q -f -B kisskb d0a6a8a4acef0425b304e2dbcd4ab18b8a73d1ed # git clean -qxdf # < git log -1 # commit d0a6a8a4acef0425b304e2dbcd4ab18b8a73d1ed # Author: Michael Ellerman # Date: Tue Sep 28 16:35:36 2021 +1000 # # selftests/powerpc: Add a test of sigreturning to the kernel # # We have a general signal fuzzer, sigfuz, which can modify the MSR & NIP # before sigreturn. But the chance of it hitting a kernel address and also # clearing MSR_PR is fairly slim. # # So add a specific test of sigreturn to a kernel address, both with and # without attempting to clear MSR_PR (which the kernel must block). # # Signed-off-by: Michael Ellerman # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 d0a6a8a4acef0425b304e2dbcd4ab18b8a73d1ed # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- randconfig # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_CPU_BIG_ENDIAN=y # Added to kconfig CONFIG_PPC64=y # Added to kconfig CONFIG_PPC_DISABLE_WERROR=y # Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y # Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n # Added to kconfig CONFIG_UBSAN=n # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig .config:6375:warning: override: reassigning to symbol STANDALONE .config:6381:warning: override: reassigning to symbol SECTION_MISMATCH_WARN_ONLY .config:6384:warning: override: reassigning to symbol GCC_PLUGINS .config:6387:warning: override: reassigning to symbol UBSAN # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- In file included from /kisskb/src/arch/powerpc/include/asm/kprobes.h:24, from /kisskb/src/include/linux/kprobes.h:32, from /kisskb/src/arch/powerpc/kernel/optprobes.c:8: In function 'ppc_kallsyms_lookup_name', inlined from 'arch_prepare_optimized_kprobe' at /kisskb/src/arch/powerpc/kernel/optprobes.c:209:21: /kisskb/src/arch/powerpc/include/asm/code-patching.h:142:13: warning: 'strnlen' specified bound 128 exceeds source size 19 [-Wstringop-overread] 142 | if (strnlen(name, KSYM_NAME_LEN) >= KSYM_NAME_LEN) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ In function 'ppc_kallsyms_lookup_name', inlined from 'arch_prepare_optimized_kprobe' at /kisskb/src/arch/powerpc/kernel/optprobes.c:210:22: /kisskb/src/arch/powerpc/include/asm/code-patching.h:142:13: warning: 'strnlen' specified bound 128 exceeds source size 13 [-Wstringop-overread] 142 | if (strnlen(name, KSYM_NAME_LEN) >= KSYM_NAME_LEN) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ Completed OK # rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc11 # Build took: 0:06:37.036194