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Message-ID: <202609112118.WPpW09Xg-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: 08df884136f1c1197bab2a27814404fd329d9aac commit: cb372b4f46d4285e5d2c07ba734374151b8e34e7 iio: humditiy: hdc3020: fi= x units for thresholds and hysteresis date: 11 months ago :::::: branch date: 16 hours ago :::::: commit date: 11 months ago config: mips-randconfig-r133-20260911 (https://download.01.org/0day-ci/arch= ive/20260911/202609112118.WPpW09Xg-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 962= 95a1412f9afbee9d4a3c2701e83f5a529a9cc) sparse: v0.6.5-rc1 reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archive= /20260911/202609112118.WPpW09Xg-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/202609112118.WPpW09Xg-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 -ftrivial-auto-var-init=3Dzero -fstri= ct-flex-arrays=3D3 -fno-strict-overflow -fno-stack-check -fno-builtin-wcsle= n -Wall -Wextra -Wundef -Werror=3Dimplicit-function-declaration -Werror=3Di= mplicit-int -Werror=3Dreturn-type -Werror=3Dstrict-prototypes -Wno-format-s= ecurity -Wno-trigraphs -Wno-frame-address -Wno-address-of-packed-member -Wm= issing-declarations -Wmissing-prototypes -Wno-gnu -Wno-format-overflow-non-= kprintf -Wno-format-truncation-non-kprintf -Wno-default-const-init-unsafe -= Wno-pointer-sign -Wcast-function-type -Wno-unterminated-string-initializati= on -Wimplicit-fallthrough -Werror=3Ddate-time -Werror=3Dincompatible-pointe= r-types -Wenum-conversion -Wunused -Wmissing-format-attribute -Wmissing-inc= lude-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno-type= -limits -Wno-shift-negative-value -Wno-enum-enum-conversion -Wno-sign-compa= re -Wno-unused-parameter -g -gdwarf-4 -DRANDSTRUCT -frandomize-layout-seed-= file=3D./scripts/basic/randstruct.seed -fno-crash-diagnostics -Wno-error=3Dr= eturn-type -Wreturn-type -funsigned-char -Wundef -falign-functions=3D64 -Id= rivers/iio/common/hid-sensors -Idrivers/iio/humidity -Idrivers/iio/humidity= -DKBUILD_MODFILE=3D\"drivers/iio/humidity/hdc3020\" -DKBUILD_BASENAME=3D\"= hdc3020\" -DKBUILD_MODNAME=3D\"hdc3020\" -D__KBUILD_MODNAME=3Dkmod_hdc3020 = -c -o drivers/iio/humidity/hdc3020.o drivers/iio/humidity/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 0x00005570da2dc30a llvm::sys::PrintStackTrace(llvm::raw_ostream&, in= t) (clang-24+0x3a2530a) #1 0x00005570da2d9ee4 llvm::sys::CleanupOnSignal(unsigned long) (clang-= 24+0x3a22ee4) #2 0x00005570da20cf40 CrashRecoverySignalHandler(int) CrashRecoveryCont= ext.cpp:0:0 #3 0x00007f6d452e5df0 (/lib/x86_64-linux-gnu/libc.so.6+0x3fdf0) #4 0x00005570d985ba91 (anonymous namespace)::ShrinkWrapImpl::useOrDefCS= ROrFI(llvm::MachineInstr const&, llvm::RegScavenger*, bool) const ShrinkWra= p.cpp:0:0 #5 0x00005570d985ed7c (anonymous namespace)::ShrinkWrapImpl::run(llvm::= MachineFunction&) (.constprop.0) ShrinkWrap.cpp:0:0 #6 0x00005570d9860a1d (anonymous namespace)::ShrinkWrapLegacy::runOnMac= hineFunction(llvm::MachineFunction&) (.part.0) ShrinkWrap.cpp:0:0 #7 0x00005570d9644a13 llvm::MachineFunctionPass::runOnFunction(llvm::Fu= nction&) (clang-24+0x2d8da13) #8 0x00005570d9bca859 llvm::FPPassManager::runOnFunction(llvm::Function= &) (clang-24+0x3313859) #9 0x00005570d9bcac4c llvm::FPPassManager::runOnModule(llvm::Module&) (= clang-24+0x3313c4c) #10 0x00005570d9bcb7ea (anonymous namespace)::MPPassManager::runOnModule= (llvm::Module&) LegacyPassManager.cpp:0:0 #11 0x00005570d9bcbfdc llvm::legacy::PassManagerImpl::run(llvm::Module&)= (clang-24+0x3314fdc) #12 0x00005570db4327f5 runCodeGenPipelineLegacy(llvm::TargetMachine&, ll= vm::Module&, llvm::raw_pwrite_stream&, std::unique_ptr>&, llvm::CodeGenFileType, bool,= bool) (.isra.0) RunCodeGen.cpp:0:0 #13 0x00005570db432855 llvm::runCodeGenPipeline(llvm::TargetMachine&, ll= vm::Module&, llvm::raw_pwrite_stream&, std::unique_ptr>&, llvm::CodeGenFileType, bool,= bool, llvm::IntrusiveRefCntPtr) (clang-24+0x4b7b855) #14 0x00005570da6ac606 (anonymous namespace)::EmitAssemblyHelper::emitAs= sembly(clang::BackendAction, std::unique_ptr>, clang::BackendConsumer*) BackendU= til.cpp:0:0 #15 0x00005570da6acb4c clang::emitBackendOutput(clang::CompilerInstance&= , clang::CodeGenOptions&, llvm::StringRef, llvm::Module*, clang::BackendAct= ion, llvm::IntrusiveRefCntPtr, std::unique_ptr>, clang::B= ackendConsumer*) (clang-24+0x3df5b4c) #16 0x00005570dace6f17 clang::BackendConsumer::HandleTranslationUnit(cla= ng::ASTContext&) (clang-24+0x442ff17) #17 0x00005570dc76d4fc clang::ParseAST(clang::Sema&, bool, bool) (clang-= 24+0x5eb64fc) #18 0x00005570db03731e clang::FrontendAction::Execute() (clang-24+0x4780= 31e) #19 0x00005570dafc321e clang::CompilerInstance::ExecuteAction(clang::Fro= ntendAction&) (clang-24+0x470c21e) #20 0x00005570db101e27 clang::ExecuteCompilerInvocation(clang::CompilerI= nstance*) (clang-24+0x484ae27) #21 0x00005570d717ae78 cc1_main(llvm::ArrayRef, char const*= , void*) (clang-24+0x8c3e78) #22 0x00005570d7172b03 ExecuteCC1Tool(llvm::SmallVectorImpl= &, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr) driver.cpp:0:0 #23 0x00005570d7172b43 int llvm::function_ref&)>::callback_fn&)>(long, llvm::SmallVecto= rImpl&) driver.cpp:0:0 #24 0x00005570dad613c9 void llvm::function_ref::callback_fn>, std::__cxx11::basic_string, std::allocato= r>*, bool*) const::'lambda'()>(long) Job.cpp:0:0 #25 0x00005570da20d273 llvm::CrashRecoveryContext::RunSafely(llvm::funct= ion_ref) (clang-24+0x3956273) #26 0x00005570dad6294c clang::driver::CC1Command::Execute(llvm::ArrayRef= >, std::__cxx11::basic_string, std::allocator>*, bool*) const (.part.0) Job.cpp:0:0 #27 0x00005570dad20358 clang::driver::Compilation::ExecuteCommand(clang:= :driver::Command const&, clang::driver::Command const*&, bool) const (clang= -24+0x4469358) #28 0x00005570dad24ab2 clang::driver::Compilation::ExecuteJobs(clang::dr= iver::JobList const&, llvm::SmallVectorImpl>&, bool) const (clang-24+0x446dab2) #29 0x00005570dad352dc clang::driver::Driver::ExecuteCompilation(clang::= driver::Compilation&, llvm::SmallVectorImpl>&) (clang-24+0x447e2dc) #30 0x00005570d71777f2 clang_main(int, char**, llvm::ToolContext const&)= (clang-24+0x8c07f2) #31 0x00005570d70b2d89 main (clang-24+0x7fbd89) #32 0x00007f6d452cfca8 (/lib/x86_64-linux-gnu/libc.so.6+0x29ca8) #33 0x00007f6d452cfd65 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.= 6+0x29d65) #34 0x00005570d7172561 _start (clang-24+0x8bb561) clang: error: clang frontend command failed due to signal (use -v to see= invocation) >> /bin/bash: line 1: 1447177 Segmentation fault clang -Wp,-MMD,driver= s/iio/humidity/.hdc3020.o.d -nostdinc -Iarch/mips/include -I./arch/mips/inc= lude/generated -Iinclude -I./include -Iarch/mips/include/uapi -I./arch/mips= /include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include = include/linux/compiler-version.h -include include/linux/kconfig.h -include = include/linux/compiler_types.h -D__KERNEL__ --target=3Dmipsel-linux-gnu -fi= ntegrated-as -Werror=3Dunknown-warning-option -Werror=3Dignored-optimizatio= n-argument -Werror=3Doption-ignored -Werror=3Dunused-command-line-argument = -DVMLINUX_LOAD_ADDRESS=3D0xffffffff80040000 -DLINKER_LOAD_ADDRESS=3D0x80040= 000 -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 -= pipe -msoft-float -Wa,-msoft-float -ffreestanding -EL -fno-stack-check -mar= ch=3Dmips1 -DTOOLCHAIN_SUPPORTS_VIRT -Iarch/mips/include/asm/mach-dec -Iarc= h/mips/include/asm/mach-generic -fno-asynchronous-unwind-tables -fno-delete= -null-pointer-checks -O2 -fno-stack-protector -fomit-frame-pointer -ftrivia= l-auto-var-init=3Dzero -fstrict-flex-arrays=3D3 -fno-strict-overflow -fno-s= tack-check -fno-builtin-wcslen -Wall -Wextra -Wundef -Werror=3Dimplicit-fun= ction-declaration -Werror=3Dimplicit-int -Werror=3Dreturn-type -Werror=3Dst= rict-prototypes -Wno-format-security -Wno-trigraphs -Wno-frame-address -Wno= -address-of-packed-member -Wmissing-declarations -Wmissing-prototypes -Wno-= gnu -Wno-format-overflow-non-kprintf -Wno-format-truncation-non-kprintf -Wn= o-default-const-init-unsafe -Wno-pointer-sign -Wcast-function-type -Wno-unt= erminated-string-initialization -Wimplicit-fallthrough -Werror=3Ddate-time = -Werror=3Dincompatible-pointer-types -Wenum-conversion -Wunused -Wmissing-f= ormat-attribute -Wmissing-include-dirs -Wunused-const-variable -Wno-missing= -field-initializers -Wno-type-limits -Wno-shift-negative-value -Wno-enum-en= um-conversion -Wno-sign-compare -Wno-unused-parameter -g -gdwarf-4 -DRANDST= RUCT -frandomize-layout-seed-file=3D./scripts/basic/randstruct.seed -fno-cr= ash-diagnostics -Wno-error=3Dreturn-type -Wreturn-type -funsigned-char -Wun= def -falign-functions=3D64 -Idrivers/iio/common/hid-sensors -Idrivers/iio/h= umidity -Idrivers/iio/humidity -DKBUILD_MODFILE=3D'"drivers/iio/humidity/hd= c3020"' -DKBUILD_BASENAME=3D'"hdc3020"' -DKBUILD_MODNAME=3D'"hdc3020"' -D__= KBUILD_MODNAME=3Dkmod_hdc3020 -c -o drivers/iio/humidity/hdc3020.o drivers/= iio/humidity/hdc3020.c -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki