Buildresult: linus/um-allmodconfig/um-x86_64 built on Jul 15 2022, 11:25

kisskb

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Status:	Failed
Date/Time:	Jul 15 2022, 11:25
Duration:	0:06:18.186742
Builder:	ka4
Revision:	ubsan: disable UBSAN_DIV_ZERO for clang (`e5d523f1ae8f2cef01f8e071aeee432654166708)`
Target:	linus/um-allmodconfig/um-x86_64
Branch:	linus
Compiler:	um-x86_64 (x86_64-linux-gcc.br_real (Buildroot 2017.05) 5.4.0 / GNU ld (GNU Binutils) 2.27)
Config:	allmodconfig (download)
Log:	Download original Possible errors arch/um/include/asm/processor-generic.h:103:18: error: called object is not a function or function pointer drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:1614:1: error: control reaches end of non-void function [-Werror=return-type] cc1: all warnings being treated as errors make[5]: * [scripts/Makefile.build:249: drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.o] Error 1 make[4]: * [scripts/Makefile.build:466: drivers/gpu/drm/amd/amdgpu] Error 2 drivers/infiniband/sw/rdmavt/qp.c:88:22: error: 'struct cpuinfo_um' has no member named 'x86_cache_size' drivers/infiniband/sw/rdmavt/qp.c:100:2: error: implicit declaration of function '__copy_user_nocache' [-Werror=implicit-function-declaration] drivers/infiniband/sw/rdmavt/qp.c:89:1: error: control reaches end of non-void function [-Werror=return-type] cc1: all warnings being treated as errors make[5]: * [scripts/Makefile.build:249: drivers/infiniband/sw/rdmavt/qp.o] Error 1 make[4]: * [scripts/Makefile.build:466: drivers/infiniband/sw/rdmavt] Error 2 make[3]: * [scripts/Makefile.build:466: drivers/infiniband/sw] Error 2 drivers/infiniband/hw/qib/qib_wc_x86_64.c:149:22: error: 'struct cpuinfo_um' has no member named 'x86_vendor' drivers/infiniband/hw/qib/qib_wc_x86_64.c:149:37: error: 'X86_VENDOR_AMD' undeclared (first use in this function) drivers/infiniband/hw/qib/qib_wc_x86_64.c:150:1: error: control reaches end of non-void function [-Werror=return-type] cc1: all warnings being treated as errors make[5]: * [scripts/Makefile.build:249: drivers/infiniband/hw/qib/qib_wc_x86_64.o] Error 1 make[4]: * [scripts/Makefile.build:466: drivers/infiniband/hw/qib] Error 2 make[3]: * [scripts/Makefile.build:466: drivers/infiniband/hw] Error 2 make[2]: * [scripts/Makefile.build:466: drivers/infiniband] Error 2 make[3]: * [scripts/Makefile.build:466: drivers/gpu/drm] Error 2 make[2]: * [scripts/Makefile.build:466: drivers/gpu] Error 2 make[1]: * [Makefile:1843: drivers] Error 2 make: * [Makefile:219: __sub-make] Error 2 Possible warnings (5) .config:12358:warning: override: reassigning to symbol GCC_PLUGIN_SANCOV .config:12363:warning: override: reassigning to symbol UML_NET_ETHERTAP .config:12365:warning: override: reassigning to symbol UML_NET_SLIP .config:12368:warning: override: reassigning to symbol UML_NET_MCAST .config:12370:warning: override: reassigning to symbol UML_NET_SLIRP Full Log # git rev-parse -q --verify e5d523f1ae8f2cef01f8e071aeee432654166708^{commit} e5d523f1ae8f2cef01f8e071aeee432654166708 already have revision, skipping fetch # git checkout -q -f -B kisskb e5d523f1ae8f2cef01f8e071aeee432654166708 # git clean -qxdf # < git log -1 # commit e5d523f1ae8f2cef01f8e071aeee432654166708 # Author: Nick Desaulniers <ndesaulniers@google.com> # Date: Thu Jul 14 13:56:43 2022 -0700 # # ubsan: disable UBSAN_DIV_ZERO for clang # # Building with UBSAN_DIV_ZERO with clang produces numerous fallthrough # warnings from objtool. # # In the case of uncheck division, UBSAN_DIV_ZERO may introduce new # control flow to check for division by zero. # # Because the result of the division is undefined, LLVM may optimize the # control flow such that after the call to __ubsan_handle_divrem_overflow # doesn't matter. If panic_on_warn was set, # __ubsan_handle_divrem_overflow would panic. # # The problem is is that panic_on_warn is run time configurable. If it's # disabled, then we cannot guarantee that we will be able to recover # safely. Disable this config for clang until we can come up with a # solution in LLVM. # # Link: https://github.com/ClangBuiltLinux/linux/issues/1657 # Link: https://github.com/llvm/llvm-project/issues/56289 # Link: https://lore.kernel.org/lkml/CAHk-=wj1qhf7y3VNACEexyp5EbkNpdcu_542k-xZpzmYLOjiCg@mail.gmail.com/ # Reported-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> # Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> # Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> # Acked-by: Nathan Chancellor <nathan@kernel.org> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 e5d523f1ae8f2cef01f8e071aeee432654166708 # < make -s -j 40 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 allmodconfig # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_KCOV=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # Added to kconfig CONFIG_GCC_PLUGIN_STRUCTLEAK=n # Added to kconfig CONFIG_GCC_PLUGIN_RANDSTRUCT=n # Added to kconfig CONFIG_UML_NET=n # Added to kconfig CONFIG_UML_NET_ETHERTAP=n # Added to kconfig CONFIG_UML_NET_TUNTAP=n # Added to kconfig CONFIG_UML_NET_SLIP=n # Added to kconfig CONFIG_UML_NET_DAEMON=n # Added to kconfig CONFIG_UML_NET_VDE=n # Added to kconfig CONFIG_UML_NET_MCAST=n # Added to kconfig CONFIG_UML_NET_PCAP=n # Added to kconfig CONFIG_UML_NET_SLIRP=n # Added to kconfig CONFIG_GCOV_KERNEL=n # Added to kconfig CONFIG_DEBUG_INFO_BTF=n # Added to kconfig CONFIG_BPF_PRELOAD=n # < make -s -j 40 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 help # make -s -j 40 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 olddefconfig .config:12358:warning: override: reassigning to symbol GCC_PLUGIN_SANCOV .config:12363:warning: override: reassigning to symbol UML_NET_ETHERTAP .config:12365:warning: override: reassigning to symbol UML_NET_SLIP .config:12368:warning: override: reassigning to symbol UML_NET_MCAST .config:12370:warning: override: reassigning to symbol UML_NET_SLIRP # make -s -j 40 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 In file included from /kisskb/src/arch/x86/um/asm/processor.h:41:0, from /kisskb/src/include/linux/mutex.h:19, from /kisskb/src/include/linux/kernfs.h:11, from /kisskb/src/include/linux/sysfs.h:16, from /kisskb/src/include/linux/kobject.h:20, from /kisskb/src/include/linux/pci.h:35, from /kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:26: /kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c: In function 'kfd_cpumask_to_apic_id': /kisskb/src/arch/um/include/asm/processor-generic.h:103:18: error: called object is not a function or function pointer #define cpu_data (&boot_cpu_data) ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:1610:9: note: in expansion of macro 'cpu_data' return cpu_data(first_cpu_of_numa_node).apicid; ^ /kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:1614:1: error: control reaches end of non-void function [-Werror=return-type] } ^ cc1: all warnings being treated as errors make[5]: * [/kisskb/src/scripts/Makefile.build:249: drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.o] Error 1 make[5]: * Waiting for unfinished jobs.... make[4]: * [/kisskb/src/scripts/Makefile.build:466: drivers/gpu/drm/amd/amdgpu] Error 2 make[4]: *** Waiting for unfinished jobs.... /kisskb/src/drivers/infiniband/sw/rdmavt/qp.c: In function 'rvt_wss_llc_size': /kisskb/src/drivers/infiniband/sw/rdmavt/qp.c:88:22: error: 'struct cpuinfo_um' has no member named 'x86_cache_size' return boot_cpu_data.x86_cache_size; ^ /kisskb/src/drivers/infiniband/sw/rdmavt/qp.c: In function 'cacheless_memcpy': /kisskb/src/drivers/infiniband/sw/rdmavt/qp.c:100:2: error: implicit declaration of function '__copy_user_nocache' [-Werror=implicit-function-declaration] __copy_user_nocache(dst, (void __user )src, n, 0); ^ /kisskb/src/drivers/infiniband/sw/rdmavt/qp.c: In function 'rvt_wss_llc_size': /kisskb/src/drivers/infiniband/sw/rdmavt/qp.c:89:1: error: control reaches end of non-void function [-Werror=return-type] } ^ cc1: all warnings being treated as errors make[5]: [/kisskb/src/scripts/Makefile.build:249: drivers/infiniband/sw/rdmavt/qp.o] Error 1 make[5]: * Waiting for unfinished jobs.... make[4]: * [/kisskb/src/scripts/Makefile.build:466: drivers/infiniband/sw/rdmavt] Error 2 make[4]: * Waiting for unfinished jobs.... make[3]: * [/kisskb/src/scripts/Makefile.build:466: drivers/infiniband/sw] Error 2 make[3]: * Waiting for unfinished jobs.... /kisskb/src/drivers/infiniband/hw/qib/qib_wc_x86_64.c: In function 'qib_unordered_wc': /kisskb/src/drivers/infiniband/hw/qib/qib_wc_x86_64.c:149:22: error: 'struct cpuinfo_um' has no member named 'x86_vendor' return boot_cpu_data.x86_vendor != X86_VENDOR_AMD; ^ /kisskb/src/drivers/infiniband/hw/qib/qib_wc_x86_64.c:149:37: error: 'X86_VENDOR_AMD' undeclared (first use in this function) return boot_cpu_data.x86_vendor != X86_VENDOR_AMD; ^ /kisskb/src/drivers/infiniband/hw/qib/qib_wc_x86_64.c:149:37: note: each undeclared identifier is reported only once for each function it appears in /kisskb/src/drivers/infiniband/hw/qib/qib_wc_x86_64.c:150:1: error: control reaches end of non-void function [-Werror=return-type] } ^ cc1: all warnings being treated as errors make[5]: * [/kisskb/src/scripts/Makefile.build:249: drivers/infiniband/hw/qib/qib_wc_x86_64.o] Error 1 make[5]: * Waiting for unfinished jobs.... make[4]: * [/kisskb/src/scripts/Makefile.build:466: drivers/infiniband/hw/qib] Error 2 make[4]: * Waiting for unfinished jobs.... make[3]: * [/kisskb/src/scripts/Makefile.build:466: drivers/infiniband/hw] Error 2 make[2]: * [/kisskb/src/scripts/Makefile.build:466: drivers/infiniband] Error 2 make[2]: * Waiting for unfinished jobs.... make[3]: * [/kisskb/src/scripts/Makefile.build:466: drivers/gpu/drm] Error 2 make[2]: * [/kisskb/src/scripts/Makefile.build:466: drivers/gpu] Error 2 make[1]: * [/kisskb/src/Makefile:1843: drivers] Error 2 make: *** [Makefile:219: __sub-make] Error 2 Command 'make -s -j 40 ARCH=um O=/kisskb/build/linus_um-allmodconfig_um-x86_64 CROSS_COMPILE=/opt/cross/kisskb/fe-x86-64-core-i7-2017.05/bin/x86_64-linux- SUBARCH=x86_64 ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus_um-allmodconfig_um-x86_64 # Build took: 0:06:18.186742

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