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Message-ID: <202610110541.QfROE72r-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: Sanman Pradhan CC: Guenter Roeck Hi Sanman, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git = master head: a5ebb76233b79db01e82e061173cb73c6d2b5c6b commit: d6cc7c99bf1f73eda7d565d224d791d16239bb41 hwmon: (ltc2992) Clamp thr= eshold writes to hardware range date: 5 months ago :::::: branch date: 4 hours ago :::::: commit date: 5 months ago config: mips-randconfig-r2100-20261011 (https://download.01.org/0day-ci/arc= hive/20261011/202610110541.QfROE72r-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 762= 316e293d1db4f495bdbb545c31d588a1a2d62) reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archive= /20261011/202610110541.QfROE72r-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: d6cc7c99bf1f ("hwmon: (ltc2992) Clamp threshold writes to hardware= range") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202610110541.QfROE72r-lkp@intel.com/ Note: functions only called from assembly code should be annotated with the= asmlinkage attribute All errors (new ones prefixed by >>): 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/hwmon/.ltc2992.o.d -nostdin= c -Iarch/mips/include -I./arch/mips/include/generated -Iinclude -I./include= -Iarch/mips/include/uapi -I./arch/mips/include/generated/uapi -Iinclude/ua= pi -I./include/generated/uapi -include include/linux/compiler-version.h -in= clude include/linux/kconfig.h -include include/linux/compiler_types.h -D__K= ERNEL__ --target=3Dmipsel-linux-gnu -fintegrated-as -Werror=3Dunknown-warni= ng-option -Werror=3Dignored-optimization-argument -Werror=3Doption-ignored = -Werror=3Dunused-command-line-argument -DVMLINUX_LOAD_ADDRESS=3D0xffffffff8= 4000000 -DLINKER_LOAD_ADDRESS=3D0x84000000 -DDATAOFFSET=3D0 -fmacro-prefix-= map=3D=3D -Wundef -DKBUILD_EXTRA_WARN1 -fshort-wchar -funsigned-char -fno-c= ommon -fno-PIE -fno-strict-aliasing -std=3Dgnu11 -fms-anonymous-structs -Wn= o-gnu -Wno-microsoft-anon-tag -mno-check-zero-division -mabi=3D32 -G 0 -mno= -abicalls -fno-pic -pipe -msoft-float -Wa,-msoft-float -ffreestanding -EB -= fno-stack-check -march=3Dmips3 -Wa,--trap -DTOOLCHAIN_SUPPORTS_VIRT -Iarch/= mips/include/asm/mach-n64 -Iarch/mips/include/asm/mach-generic -fno-asynchr= onous-unwind-tables -fno-delete-null-pointer-checks -Os -fstack-protector-s= trong -ftrivial-auto-var-init=3Dzero -fexperimental-late-parse-attributes -= fdiagnostics-show-inlining-chain -pg -fstrict-flex-arrays=3D3 -fno-strict-o= verflow -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-format-overflow-non-kprintf -Wno-format-truncation-non-kprin= tf -Wno-default-const-init-unsafe -Wno-type-limits -Wno-pointer-sign -Wcast= -function-type -Wno-unterminated-string-initialization -Wimplicit-fallthrou= gh -Werror=3Ddate-time -Werror=3Dincompatible-pointer-types -Wenum-conversi= on -Wunused -Wmissing-format-attribute -Wmissing-include-dirs -Wunused-cons= t-variable -Wno-missing-field-initializers -Wno-shift-negative-value -Wno-e= num-enum-conversion -Wno-sign-compare -Wno-unused-parameter -gsplit-dwarf -= g -DRANDSTRUCT -frandomize-layout-seed-file=3D./scripts/basic/randstruct.se= ed -fno-crash-diagnostics -Wno-error=3Dreturn-type -Wreturn-type -funsigned= -char -Wundef -falign-functions=3D64 -Idrivers/hwmon -Idrivers/hwmon -DMODU= LE -mlong-calls -DKBUILD_BASENAME=3D\"ltc2992\" -DKBUILD_MODNAME=3D\"ltc299= 2\" -D__KBUILD_MODNAME=3Dltc2992 -c -o drivers/hwmon/ltc2992.o drivers/hwmo= n/ltc2992.c 1. parser at end of file 2. Code generation 3. Running pass 'Function Pass Manager' on module 'drivers/hwmon/ltc2992= .c'. 4. Running pass 'Shrink Wrapping analysis' on function '@ltc2992_write' #0 0x00005601a7e370ca llvm::sys::PrintStackTrace(llvm::raw_ostream&, in= t) (clang-24+0x3a560ca) #1 0x00005601a7e34ca4 llvm::sys::CleanupOnSignal(unsigned long) (clang-= 24+0x3a53ca4) #2 0x00005601a7d65680 CrashRecoverySignalHandler(int) CrashRecoveryCont= ext.cpp:0:0 #3 0x00007f48574c3df0 (/lib/x86_64-linux-gnu/libc.so.6+0x3fdf0) #4 0x00005601a73cde91 (anonymous namespace)::ShrinkWrapImpl::useOrDefCS= ROrFI(llvm::MachineInstr const&, llvm::RegScavenger*, bool) const ShrinkWra= p.cpp:0:0 #5 0x00005601a73d119c (anonymous namespace)::ShrinkWrapImpl::run(llvm::= MachineFunction&) (.constprop.0) ShrinkWrap.cpp:0:0 #6 0x00005601a73d2e3d (anonymous namespace)::ShrinkWrapLegacy::runOnMac= hineFunction(llvm::MachineFunction&) (.part.0) ShrinkWrap.cpp:0:0 #7 0x00005601a71bf8a3 llvm::MachineFunctionPass::runOnFunction(llvm::Fu= nction&) (clang-24+0x2dde8a3) #8 0x00005601a7728301 llvm::FPPassManager::runOnFunction(llvm::Function= &) (clang-24+0x3347301) #9 0x00005601a772876c llvm::FPPassManager::runOnModule(llvm::Module&) (= clang-24+0x334776c) #10 0x00005601a772930e (anonymous namespace)::MPPassManager::runOnModule= (llvm::Module&) LegacyPassManager.cpp:0:0 #11 0x00005601a7729c3c llvm::legacy::PassManagerImpl::run(llvm::Module&)= (clang-24+0x3348c3c) #12 0x00005601a8f7df22 runCodeGenPipelineLegacy(llvm::TargetMachine&, ll= vm::Module&, llvm::raw_pwrite_stream&, std::unique_ptr>&, llvm::CodeGenFileType, bool,= bool) RunCodeGen.cpp:0:0 #13 0x00005601a8f7dfa9 llvm::runCodeGenPipeline(llvm::TargetMachine&, ll= vm::Module&, llvm::raw_pwrite_stream&, std::unique_ptr>&, llvm::CodeGenFileType, bool,= bool, llvm::IntrusiveRefCntPtr) (clang-24+0x4b9cfa9) #14 0x00005601a81fdf82 (anonymous namespace)::EmitAssemblyHelper::emitAs= sembly(clang::BackendAction, std::unique_ptr>, clang::BackendConsumer*) BackendU= til.cpp:0:0 #15 0x00005601a81fe4de clang::emitBackendOutput(clang::CompilerInstance&= , clang::CodeGenOptions&, llvm::Module*, clang::BackendAction, llvm::Intrus= iveRefCntPtr, std::unique_ptr>, clang::BackendConsumer*) = (clang-24+0x3e1d4de) #16 0x00005601a882195b clang::BackendConsumer::HandleTranslationUnit(cla= ng::ASTContext&) (clang-24+0x444095b) #17 0x00005601aa2c33cc clang::ParseAST(clang::Sema&, bool, bool) (clang-= 24+0x5ee23cc) #18 0x00005601a8b73bde clang::FrontendAction::Execute() (clang-24+0x4792= bde) #19 0x00005601a8b0252e clang::CompilerInstance::ExecuteAction(clang::Fro= ntendAction&) (clang-24+0x472152e) #20 0x00005601a8c3d217 clang::ExecuteCompilerInvocation(clang::CompilerI= nstance*) (clang-24+0x485c217) #21 0x00005601a4ca0cd8 cc1_main(llvm::ArrayRef, char const*= , void*) (clang-24+0x8bfcd8) #22 0x00005601a4c989c3 ExecuteCC1Tool(llvm::SmallVectorImpl= &, llvm::ToolContext const&, llvm::IntrusiveRefCntPtr) driver.cpp:0:0 #23 0x00005601a4c98a07 int llvm::function_ref&)>::callback_fn&)>(long, llvm::SmallVecto= rImpl&) driver.cpp:0:0 #24 0x00005601a889e889 void llvm::function_ref::callback_fn>, std::__cxx11::basic_string, std::allocato= r>*, bool*) const::'lambda'()>(long) Job.cpp:0:0 #25 0x00005601a7d659b3 llvm::CrashRecoveryContext::RunSafely(llvm::funct= ion_ref) (clang-24+0x39849b3) #26 0x00005601a889fe0c clang::driver::CC1Command::Execute(llvm::ArrayRef= >, std::__cxx11::basic_string, std::allocator>*, bool*) const (.part.0) Job.cpp:0:0 #27 0x00005601a885dea8 clang::driver::Compilation::ExecuteCommand(clang:= :driver::Command const&, clang::driver::Command const*&, bool) const (clang= -24+0x447cea8) #28 0x00005601a8862612 clang::driver::Compilation::ExecuteJobs(clang::dr= iver::JobList const&, llvm::SmallVectorImpl>&, bool) const (clang-24+0x4481612) #29 0x00005601a88727dc clang::driver::Driver::ExecuteCompilation(clang::= driver::Compilation&, llvm::SmallVectorImpl>&) (clang-24+0x44917dc) #30 0x00005601a4c9d672 clang_main(int, char**, llvm::ToolContext const&)= (clang-24+0x8bc672) #31 0x00005601a4bf49e2 main (clang-24+0x8139e2) #32 0x00007f48574adca8 (/lib/x86_64-linux-gnu/libc.so.6+0x29ca8) #33 0x00007f48574add65 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.= 6+0x29d65) #34 0x00005601a4c98421 _start (clang-24+0x8b7421) clang: error: clang frontend command failed due to signal (use -v to see= invocation) >> /bin/bash: line 1: 1611721 Segmentation fault clang -Wp,-MMD,driver= s/hwmon/.ltc2992.o.d -nostdinc -Iarch/mips/include -I./arch/mips/include/ge= nerated -Iinclude -I./include -Iarch/mips/include/uapi -I./arch/mips/includ= e/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 -fintegrat= ed-as -Werror=3Dunknown-warning-option -Werror=3Dignored-optimization-argum= ent -Werror=3Doption-ignored -Werror=3Dunused-command-line-argument -DVMLIN= UX_LOAD_ADDRESS=3D0xffffffff84000000 -DLINKER_LOAD_ADDRESS=3D0x84000000 -DD= ATAOFFSET=3D0 -fmacro-prefix-map=3D=3D -Wundef -DKBUILD_EXTRA_WARN1 -fshort= -wchar -funsigned-char -fno-common -fno-PIE -fno-strict-aliasing -std=3Dgnu= 11 -fms-anonymous-structs -Wno-gnu -Wno-microsoft-anon-tag -mno-check-zero-= division -mabi=3D32 -G 0 -mno-abicalls -fno-pic -pipe -msoft-float -Wa,-mso= ft-float -ffreestanding -EB -fno-stack-check -march=3Dmips3 -Wa,--trap -DTO= OLCHAIN_SUPPORTS_VIRT -Iarch/mips/include/asm/mach-n64 -Iarch/mips/include/= asm/mach-generic -fno-asynchronous-unwind-tables -fno-delete-null-pointer-c= hecks -Os -fstack-protector-strong -ftrivial-auto-var-init=3Dzero -fexperim= ental-late-parse-attributes -fdiagnostics-show-inlining-chain -pg -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-format-overflow-non-kprintf -Wno= -format-truncation-non-kprintf -Wno-default-const-init-unsafe -Wno-type-lim= its -Wno-pointer-sign -Wcast-function-type -Wno-unterminated-string-initial= ization -Wimplicit-fallthrough -Werror=3Ddate-time -Werror=3Dincompatible-p= ointer-types -Wenum-conversion -Wunused -Wmissing-format-attribute -Wmissin= g-include-dirs -Wunused-const-variable -Wno-missing-field-initializers -Wno= -shift-negative-value -Wno-enum-enum-conversion -Wno-sign-compare -Wno-unus= ed-parameter -gsplit-dwarf -g -DRANDSTRUCT -frandomize-layout-seed-file=3D.= /scripts/basic/randstruct.seed -fno-crash-diagnostics -Wno-error=3Dreturn-t= ype -Wreturn-type -funsigned-char -Wundef -falign-functions=3D64 -Idrivers/= hwmon -Idrivers/hwmon -DMODULE -mlong-calls -DKBUILD_BASENAME=3D'"ltc2992"'= -DKBUILD_MODNAME=3D'"ltc2992"' -D__KBUILD_MODNAME=3Dltc2992 -c -o drivers/= hwmon/ltc2992.o drivers/hwmon/ltc2992.c -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki