# git rev-parse -q --verify 3f777e19d171670ab558a6d5e6b1ac7f9b6c574f^{commit}
3f777e19d171670ab558a6d5e6b1ac7f9b6c574f
already have revision, skipping fetch
# git checkout -q -f -B kisskb 3f777e19d171670ab558a6d5e6b1ac7f9b6c574f
# git clean -qxdf
# < git log -1
# commit 3f777e19d171670ab558a6d5e6b1ac7f9b6c574f
# Merge: 51184ae37e05 316ec1548109
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Tue Apr 28 09:13:08 2020 -0700
# 
#     Merge tag 'cve-2020-11884' from emailed bundle
#     
#     Pull s390 fix from Christian Borntraeger:
#      "Fix a race between page table upgrade and uaccess on s390.
#     
#       This fixes CVE-2020-11884 which allows for a local kernel crash or
#       code execution"
#     
#     * tag 'cve-2020-11884' from emailed bundle:
#       s390/mm: fix page table upgrade vs 2ndary address mode accesses
# < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version
# < /opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version
# < git log --format=%s --max-count=1 3f777e19d171670ab558a6d5e6b1ac7f9b6c574f
# < make -s -j 80 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  randconfig
KCONFIG_SEED=0x12251E2D
# 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 80 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  help
# make -s -j 80 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  olddefconfig
.config:4126:warning: override: reassigning to symbol STANDALONE
.config:4129:warning: override: reassigning to symbol CPU_BIG_ENDIAN
.config:4129:warning: override: CPU_BIG_ENDIAN changes choice state
.config:4131:warning: override: reassigning to symbol PPC_DISABLE_WERROR
.config:4132:warning: override: reassigning to symbol SECTION_MISMATCH_WARN_ONLY
.config:4133:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD
.config:4136:warning: override: reassigning to symbol LD_HEAD_STUB_CATCH
# make -s -j 80 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  
/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld: warning: orphan section `__timer_of_table' from `drivers/clocksource/timer-microchip-pit64b.o' being placed in section `__timer_of_table'
/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld: arch/powerpc/platforms/pseries/lpar.o:(.toc+0x0): undefined reference to `mmu_pid_bits'
make[1]: *** [/kisskb/src/Makefile:1106: vmlinux] Error 1
make: *** [Makefile:180: sub-make] Error 2
Command 'make -s -j 80 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-9.2.0-nolibc/powerpc64-linux/bin/powerpc64-linux-  ' returned non-zero exit status 2
# rm -rf /kisskb/build/linus-rand_powerpc-randconfig_powerpc-gcc9
# Build took: 0:03:11.538285