# git rev-parse -q --verify 5256426247837feb8703625bda7fcfc824af04cf^{commit} 5256426247837feb8703625bda7fcfc824af04cf already have revision, skipping fetch # git checkout -q -f -B kisskb 5256426247837feb8703625bda7fcfc824af04cf # git clean -qxdf # < git log -1 # commit 5256426247837feb8703625bda7fcfc824af04cf # Author: Christophe Leroy # Date: Fri Apr 23 13:52:10 2021 +0000 # # powerpc/signal32: Fix erroneous SIGSEGV on RT signal return # # Return of user_read_access_begin() is tested the wrong way, # leading to a SIGSEGV when the user address is valid and likely # an Oops when the user address is bad. # # Fix the test. # # Fixes: 887f3ceb51cd ("powerpc/signal32: Convert do_setcontext[_tm]() to user access block") # Signed-off-by: Christophe Leroy # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/a29aadc54c93bcbf069a83615fa102ca0f59c3ae.1619185912.git.christophe.leroy@csgroup.eu # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 5256426247837feb8703625bda7fcfc824af04cf # < make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- randconfig KCONFIG_SEED=0x4E1D8C92 # 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 48 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig .config:4652:warning: override: reassigning to symbol STANDALONE .config:4659:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD .config:4662:warning: override: reassigning to symbol LD_HEAD_STUB_CATCH .config:4664:warning: override: reassigning to symbol UBSAN # make -s -j 48 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/drivers/media/i2c/imx334.c: In function 'imx334_read_reg': /kisskb/src/drivers/media/i2c/imx334.c:288:9: warning: missing braces around initializer [-Wmissing-braces] struct i2c_msg msgs[2] = {0}; ^ /kisskb/src/drivers/media/i2c/imx334.c:288:9: warning: (near initialization for 'msgs[0]') [-Wmissing-braces] WARNING: 4 bad relocations c00000000001fb0e R_PPC64_ADDR16_HIGHEST .head.text+0x000000000001fb28 c00000000001fb12 R_PPC64_ADDR16_HIGH .head.text+0x000000000001fb28 c00000000001fb16 R_PPC64_ADDR16_HIGHER .head.text+0x000000000001fb28 c00000000001fb1a R_PPC64_ADDR16_LO .head.text+0x000000000001fb28 INFO: Uncompressed kernel (size 0x10f63a0) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x1100000) Image Name: Linux-5.12.0-rc3-95944-g52564262 Created: Fri Apr 30 03:20:54 2021 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 5322369 Bytes = 5197.63 KiB = 5.08 MiB Load Address: 00000000 Entry Point: 00000000 Completed OK # rm -rf /kisskb/build/powerpc-next-rand_powerpc-randconfig_powerpc-gcc4.9 # Build took: 0:02:31.664644