# git rev-parse -q --verify 4c205c84e249e0a91dcfabe461d77667ec9b2d05^{commit} 4c205c84e249e0a91dcfabe461d77667ec9b2d05 already have revision, skipping fetch # git checkout -q -f -B kisskb 4c205c84e249e0a91dcfabe461d77667ec9b2d05 # git clean -qxdf # < git log -1 # commit 4c205c84e249e0a91dcfabe461d77667ec9b2d05 # Merge: ea9448b254e2 4f0882491a14 # Author: Linus Torvalds # Date: Sat Apr 4 12:24:47 2020 -0700 # # Merge tag 'keys-fixes-20200329' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs # # Pull keyrings fixes from David Howells: # "Here's a couple of patches that fix a circular dependency between # holding key->sem and mm->mmap_sem when reading data from a key. # # One potential issue is that a filesystem looking to use a key inside, # say, ->readpages() could deadlock if the key being read is the key # that's required and the buffer the key is being read into is on a page # that needs to be fetched. # # The case actually detected is a bit more involved - with a filesystem # calling request_key() and locking the target keyring for write - which # could be being read" # # * tag 'keys-fixes-20200329' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs: # KEYS: Avoid false positive ENOMEM error on key read # KEYS: Don't write out to userspace while holding key semaphore # < /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 4c205c84e249e0a91dcfabe461d77667ec9b2d05 # < make -s -j 24 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=0xDC7DA08E # 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/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 24 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:3973:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD .config:3978:warning: override: reassigning to symbol UBSAN # make -s -j 24 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- /kisskb/src/kernel/sched/cputime.c: In function 'kcpustat_field': /kisskb/src/kernel/sched/cputime.c:1007:6: warning: 'val' may be used uninitialized in this function [-Wmaybe-uninitialized] 1007 | u64 val; | ^~~ /kisskb/src/arch/powerpc/kernel/iommu.c:136:30: warning: 'fail_iommu_bus_notifier' defined but not used [-Wunused-variable] 136 | static struct notifier_block fail_iommu_bus_notifier = { | ^~~~~~~~~~~~~~~~~~~~~~~ BTF: .tmp_vmlinux.btf: pahole (pahole) is not available Failed to generate BTF for vmlinux Try to disable CONFIG_DEBUG_INFO_BTF make[1]: *** [/kisskb/src/Makefile:1086: vmlinux] Error 1 make: *** [Makefile:180: sub-make] Error 2 Command 'make -s -j 24 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: 0:03:45.524028