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Message-ID: <202607020828.Co2CUHV4-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable ::::::=20 :::::: Manual check reason: "clang compiler bug" ::::::=20 BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Dimitri Fedrau CC: Jonathan Cameron CC: Javier Carrasco Hi Dimitri, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git = master head: 665159e246749578d4e4bfe106ee3b74edcdab18 commit: cb372b4f46d4285e5d2c07ba734374151b8e34e7 iio: humditiy: hdc3020: fi= x units for thresholds and hysteresis date: 9 months ago :::::: branch date: 21 hours ago :::::: commit date: 9 months ago config: mips-randconfig-r134-20260701 (https://download.01.org/0day-ci/arch= ive/20260702/202607020828.Co2CUHV4-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 6cc= 609bb250b21b47fc7d394b4019101e9983597) sparse: v0.6.5-rc1 reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archive= /20260702/202607020828.Co2CUHV4-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new versio= n of the same patch/commit), kindly add following tags | Fixes: cb372b4f46d4 ("iio: humditiy: hdc3020: fix units for thresholds an= d hysteresis") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202607020828.Co2CUHV4-lkp@intel.com/ Note: functions only called from assembly code should be annotated with the= asmlinkage attribute All errors (new ones prefixed by >>): warning: MIPS-I support is experimental PLEASE submit a bug report to https://github.com/llvm/llvm-project/issue= s/ and include the crash backtrace and dumped files. Stack dump: 0. Program arguments: clang -Wp,-MMD,drivers/iio/humidity/.hdc3020.o.d -= nostdinc -Iarch/mips/include -I./arch/mips/include/generated -Iinclude -I./= include -Iarch/mips/include/uapi -I./arch/mips/include/generated/uapi -Iinc= lude/uapi -I./include/generated/uapi -include include/linux/compiler-versio= n.h -include include/linux/kconfig.h -include include/linux/compiler_types.= h -D__KERNEL__ --target=3Dmipsel-linux-gnu -fintegrated-as -Werror=3Dunknow= n-warning-option -Werror=3Dignored-optimization-argument -Werror=3Doption-i= gnored -Werror=3Dunused-command-line-argument -DVMLINUX_LOAD_ADDRESS=3D0xff= ffffff80040000 -DLINKER_LOAD_ADDRESS=3D0x80040000 -DDATAOFFSET=3D0 -fmacro-= prefix-map=3D=3D -Wundef -DKBUILD_EXTRA_WARN1 -std=3Dgnu11 -fshort-wchar -f= unsigned-char -fno-common -fno-PIE -fno-strict-aliasing -mno-check-zero-div= ision -mabi=3D32 -G 0 -mno-abicalls -fno-pic -pipe -msoft-float -Wa,-msoft-= float -ffreestanding -EL -fno-stack-check -march=3Dmips1 -DTOOLCHAIN_SUPPOR= TS_VIRT -Iarch/mips/include/asm/mach-dec -Iarch/mips/include/asm/mach-gener= ic -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 -fno= -stack-protector -fomit-frame-pointer -fstrict-flex-arrays=3D3 -fno-strict-= overflow -fno-stack-check -fno-builtin-wcslen -Wall -Wextra -Wundef -Werror= =3Dimplicit-function-declaration -Werror=3Dimplicit-int -Werror=3Dreturn-ty= pe -Werror=3Dstrict-prototypes -Wno-format-security -Wno-trigraphs -Wno-fra= me-address -Wno-address-of-packed-member -Wmissing-declarations -Wmissing-p= rototypes -Wno-gnu -Wno-format-overflow-non-kprintf -Wno-format-truncation-= non-kprintf -Wno-default-const-init-unsafe -Wno-pointer-sign -Wcast-functio= n-type -Wno-unterminated-string-initialization -Wimplicit-fallthrough -Werr= or=3Ddate-time -Werror=3Dincompatible-pointer-types -Wenum-conversion -Wunu= sed -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-const-variab= le -Wno-missing-field-initializers -Wno-type-limits -Wno-shift-negative-val= ue -Wno-enum-enum-conversion -Wno-sign-compare -Wno-unused-parameter -gspli= t-dwarf -g -fno-var-tracking -fno-crash-diagnostics -Wno-error=3Dreturn-typ= e -Wreturn-type -funsigned-char -Wundef -falign-functions=3D64 -Idrivers/ii= o/common/hid-sensors -fsanitize=3Darray-bounds -fsanitize=3Dshift -fsanitiz= e=3Denum -Idrivers/iio/humidity -Idrivers/iio/humidity -DMODULE -mlong-call= s -DKBUILD_BASENAME=3D\"hdc3020\" -DKBUILD_MODNAME=3D\"hdc3020\" -D__KBUILD= _MODNAME=3Dkmod_hdc3020 -c -o drivers/iio/humidity/hdc3020.o drivers/iio/hu= midity/hdc3020.c 1. parser at end of file 2. Code generation 3. Running pass 'Function Pass Manager' on module 'drivers/iio/humidity/= hdc3020.c'. 4. Running pass 'Shrink Wrapping analysis' on function '@hdc3020_write_t= hresh' #0 0x00005566aad352cb llvm::sys::PrintStackTrace(llvm::raw_ostream&, in= t) (clang-23+0x3ed52cb) #1 0x00005566aad32e84 llvm::sys::CleanupOnSignal(unsigned long) (clang-= 23+0x3ed2e84) #2 0x00005566aac677a0 CrashRecoverySignalHandler(int) CrashRecoveryCont= ext.cpp:0:0 #3 0x00007f174017adf0 (/lib/x86_64-linux-gnu/libc.so.6+0x3fdf0) #4 0x00005566aa309c8e (anonymous namespace)::ShrinkWrapImpl::useOrDefCS= ROrFI(llvm::MachineInstr const&, llvm::RegScavenger*, bool) const ShrinkWra= p.cpp:0:0 #5 0x00005566aa30baac (anonymous namespace)::ShrinkWrapImpl::postShrink= Wrapping(bool, llvm::MachineFunction&, llvm::RegScavenger*) ShrinkWrap.cpp:= 0:0 #6 0x00005566aa30e230 (anonymous namespace)::ShrinkWrapImpl::run(llvm::= MachineFunction&) ShrinkWrap.cpp:0:0 #7 0x00005566aa30f698 (anonymous namespace)::ShrinkWrapLegacy::runOnMac= hineFunction(llvm::MachineFunction&) (.part.0) ShrinkWrap.cpp:0:0 #8 0x00005566aa0e7933 llvm::MachineFunctionPass::runOnFunction(llvm::Fu= nction&) (clang-23+0x3287933) #9 0x00005566aa63c729 llvm::FPPassManager::runOnFunction(llvm::Function= &) (clang-23+0x37dc729) #10 0x00005566aa63cb5c llvm::FPPassManager::runOnModule(llvm::Module&) (= clang-23+0x37dcb5c) #11 0x00005566aa63d6ca (anonymous namespace)::MPPassManager::runOnModule= (llvm::Module&) LegacyPassManager.cpp:0:0 #12 0x00005566aa63e2dc llvm::legacy::PassManagerImpl::run(llvm::Module&)= (clang-23+0x37de2dc) #13 0x00005566ab0f66cf clang::emitBackendOutput(clang::CompilerInstance&= , clang::CodeGenOptions&, llvm::StringRef, llvm::Module*, clang::BackendAct= ion, llvm::IntrusiveRefCntPtr, std::unique_ptr>, clang::B= ackendConsumer*) (clang-23+0x42966cf) #14 0x00005566ab72bfe7 clang::BackendConsumer::HandleTranslationUnit(cla= ng::ASTContext&) (clang-23+0x48cbfe7) #15 0x00005566ad0f5cdc clang::ParseAST(clang::Sema&, bool, bool) (clang-= 23+0x6295cdc) #16 0x00005566aba929de clang::FrontendAction::Execute() (clang-23+0x4c32= 9de) #17 0x00005566aba1927e clang::CompilerInstance::ExecuteAction(clang::Fro= ntendAction&) (clang-23+0x4bb927e) #18 0x00005566abb77b07 clang::ExecuteCompilerInvocation(clang::CompilerI= nstance*) (clang-23+0x4d17b07) #19 0x00005566a7db2038 cc1_main(llvm::ArrayRef, char const*= , void*) (clang-23+0xf52038) #20 0x00005566a7da9d03 ExecuteCC1Tool(llvm::SmallVectorImpl= &, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr) driver.cpp:0:0 #21 0x00005566a7da9d43 int llvm::function_ref&)>::callback_fn&)>(long, llvm::SmallVecto= rImpl&) driver.cpp:0:0 #22 0x00005566ab7a5a99 void llvm::function_ref::callback_fn>, std::__cxx11::basic_string, std::allocato= r>*, bool*) const::'lambda'()>(long) Job.cpp:0:0 #23 0x00005566aac67b03 llvm::CrashRecoveryContext::RunSafely(llvm::funct= ion_ref) (clang-23+0x3e07b03) #24 0x00005566ab7a61c4 clang::driver::CC1Command::Execute(llvm::ArrayRef= >, std::__cxx11::basic_string, std::allocator>*, bool*) const (.part.0) Job.cpp:0:0 #25 0x00005566ab762d08 clang::driver::Compilation::ExecuteCommand(clang:= :driver::Command const&, clang::driver::Command const*&, bool) const (clang= -23+0x4902d08) #26 0x00005566ab763c62 clang::driver::Compilation::ExecuteJobs(clang::dr= iver::JobList const&, llvm::SmallVectorImpl>&, bool) const (clang-23+0x4903c62) #27 0x00005566ab7744dc clang::driver::Driver::ExecuteCompilation(clang::= driver::Compilation&, llvm::SmallVectorImpl>&) (clang-23+0x49144dc) #28 0x00005566a7dae9f6 clang_main(int, char**, llvm::ToolContext const&)= (clang-23+0xf4e9f6) #29 0x00005566a7cada69 main (clang-23+0xe4da69) #30 0x00007f1740164ca8 (/lib/x86_64-linux-gnu/libc.so.6+0x29ca8) #31 0x00007f1740164d65 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.= 6+0x29d65) #32 0x00005566a7da9741 _start (clang-23+0xf49741) clang: error: clang frontend command failed due to signal (use -v to see= invocation) >> /bin/bash: line 1: 574107 Segmentation fault clang -Wp,-MMD,drivers= /iio/humidity/.hdc3020.o.d -nostdinc -Iarch/mips/include -I./arch/mips/incl= ude/generated -Iinclude -I./include -Iarch/mips/include/uapi -I./arch/mips/= include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include i= nclude/linux/compiler-version.h -include include/linux/kconfig.h -include i= nclude/linux/compiler_types.h -D__KERNEL__ --target=3Dmipsel-linux-gnu -fin= tegrated-as -Werror=3Dunknown-warning-option -Werror=3Dignored-optimization= -argument -Werror=3Doption-ignored -Werror=3Dunused-command-line-argument -= DVMLINUX_LOAD_ADDRESS=3D0xffffffff80040000 -DLINKER_LOAD_ADDRESS=3D0x800400= 00 -DDATAOFFSET=3D0 -fmacro-prefix-map=3D=3D -Wundef -DKBUILD_EXTRA_WARN1 -= std=3Dgnu11 -fshort-wchar -funsigned-char -fno-common -fno-PIE -fno-strict-= aliasing -mno-check-zero-division -mabi=3D32 -G 0 -mno-abicalls -fno-pic -p= ipe -msoft-float -Wa,-msoft-float -ffreestanding -EL -fno-stack-check -marc= h=3Dmips1 -DTOOLCHAIN_SUPPORTS_VIRT -Iarch/mips/include/asm/mach-dec -Iarch= /mips/include/asm/mach-generic -fno-asynchronous-unwind-tables -fno-delete-= null-pointer-checks -O2 -fno-stack-protector -fomit-frame-pointer -fstrict-= flex-arrays=3D3 -fno-strict-overflow -fno-stack-check -fno-builtin-wcslen -= Wall -Wextra -Wundef -Werror=3Dimplicit-function-declaration -Werror=3Dimpl= icit-int -Werror=3Dreturn-type -Werror=3Dstrict-prototypes -Wno-format-secu= rity -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wmiss= ing-declarations -Wmissing-prototypes -Wno-gnu -Wno-format-overflow-non-kpr= intf -Wno-format-truncation-non-kprintf -Wno-default-const-init-unsafe -Wno= -pointer-sign -Wcast-function-type -Wno-unterminated-string-initialization = -Wimplicit-fallthrough -Werror=3Ddate-time -Werror=3Dincompatible-pointer-t= ypes -Wenum-conversion -Wunused -Wmissing-format-attribute -Wmissing-includ= e-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type-li= mits -Wno-shift-negative-value -Wno-enum-enum-conversion -Wno-sign-compare = -Wno-unused-parameter -gsplit-dwarf -g -fno-var-tracking -fno-crash-diagnos= tics -Wno-error=3Dreturn-type -Wreturn-type -funsigned-char -Wundef -falign= -functions=3D64 -Idrivers/iio/common/hid-sensors -fsanitize=3Darray-bounds = -fsanitize=3Dshift -fsanitize=3Denum -Idrivers/iio/humidity -Idrivers/iio/h= umidity -DMODULE -mlong-calls -DKBUILD_BASENAME=3D'"hdc3020"' -DKBUILD_MODN= AME=3D'"hdc3020"' -D__KBUILD_MODNAME=3Dkmod_hdc3020 -c -o drivers/iio/humid= ity/hdc3020.o drivers/iio/humidity/hdc3020.c -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki