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Message-ID: <202609171303.4devdrXr-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: Rong Xu CC: Nathan Chancellor CC: Kees Cook Hi Rong, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git = master head: 238650ef6c7c7cca08e032527329424c9fbd70e5 commit: e88b2fe8b9993c9cae856019b1c31c14b63cad7a kconfig: Remove the archit= ecture specific config for AutoFDO date: 3 months ago :::::: branch date: 19 hours ago :::::: commit date: 3 months ago config: um-randconfig-r2102-20260916 (https://download.01.org/0day-ci/archi= ve/20260917/202609171303.4devdrXr-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 600970= 8b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archive= /20260917/202609171303.4devdrXr-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: e88b2fe8b999 ("kconfig: Remove the architecture specific config fo= r AutoFDO") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/r/202609171303.4devdrXr-lkp@intel.com/ 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. Stack dump: 0. Running pass 'Function Pass Manager' on module 'net/llc/llc_c_ac.o'. 1. Running pass 'Prologue/Epilogue Insertion & Frame Finalization' on fu= nction '@llc_conn_set_p_flag' #0 0x0000555ee7090f8b llvm::sys::PrintStackTrace(llvm::raw_ostream&, in= t) (lld+0x7dbf8b) #1 0x0000555ee708e91b SignalHandler(int) Signals.cpp:0:0 #2 0x00007f98e5dc9df0 (/lib/x86_64-linux-gnu/libc.so.6+0x3fdf0) #3 0x0000555ee947bbf2 (anonymous namespace)::PEI::runOnMachineFunction(= llvm::MachineFunction&) PrologEpilogInserter.cpp:0:0 #4 0x0000555ee9360f15 llvm::MachineFunctionPass::runOnFunction(llvm::Fu= nction&) (.part.0) MachineFunctionPass.cpp:0:0 #5 0x0000555eeabe98b9 llvm::FPPassManager::runOnFunction(llvm::Function= &) (lld+0x43348b9) #6 0x0000555eeabe99ec llvm::FPPassManager::runOnModule(llvm::Module&) (= lld+0x43349ec) #7 0x0000555eeabea318 llvm::legacy::PassManagerImpl::run(llvm::Module&)= (lld+0x4335318) #8 0x0000555ee911d27c codegen(llvm::lto::Config const&, llvm::TargetMac= hine*, std::function>> (unsigned int, llvm::Twine c= onst&)>, unsigned int, llvm::Module&, llvm::ModuleSummaryIndex const&) LTOB= ackend.cpp:0:0 #9 0x0000555ee911e78a llvm::lto::thinBackend(llvm::lto::Config const&, = unsigned int, std::function>> (unsigned int, llvm::= Twine const&)>, llvm::Module&, llvm::ModuleSummaryIndex const&, llvm::Strin= gMap, std::equal= _to, std::allocator>, llvm::MallocAllocator> = const&, llvm::DenseMap, llvm::detail::DenseMapPair> const&, llvm::MapVector, llvm::detail::DenseMapPair>, llvm::SmallVector, 0u>>*, std::vector> const&= ) (lld+0x286978a) #10 0x0000555ee910ed2d std::_Function_handler, std::equal_to, std::allocator>, llvm::M= allocAllocator> const&, llvm::DenseSet> const&, std::map, std::allocator>> const&, llvm::MapVector, llvm::detail::DenseMapPair>, llvm::SmallVector, 0u>>&)::'lambda'(llvm::BitcodeModule, llvm::ModuleS= ummaryIndex&, llvm::StringMap, std::equal_to, std::allocator>= , llvm::MallocAllocator> const&, llvm::DenseSet> const&, std::map, std::allocator>> const&, llvm::DenseM= ap, llvm::detail::DenseMapPair> const&, llvm::MapVector, llvm::detail::DenseMapPair>, llvm::Sm= allVector, 0u>>&) (llvm::Bi= tcodeModule, std::reference_wrapper, std::referen= ce_wrapper, std::equal_to, std::allocator>, l= lvm::MallocAllocator> const>, std::reference_wrapper> const>, std::reference= _wrapper, std::allocator>> const>, std::reference_wrapper= , llvm::detail::DenseMapPair> con= st>, std::reference_wrapper, llvm::detail::DenseMapPair>, llvm::SmallVector, 0u= >>>)>>::_M_invoke(std::_Any_data const&) LTO.cpp:0:0 #11 0x0000555ee741832b std::_Function_handler)::'lambda'()>::_M_invoke(std::_= Any_data const&) (lld+0xb6332b) #12 0x0000555eead42a9b llvm::ThreadPool::processTasks(llvm::ThreadPoolTa= skGroup*) (lld+0x448da9b) #13 0x0000555eead433cc void* llvm::thread::ThreadProxy>(void*) ThreadPool.cpp:0:0 #14 0x00007f98e5e1cb7b (/lib/x86_64-linux-gnu/libc.so.6+0x92b7b) #15 0x00007f98e5e9a630 clone (/lib/x86_64-linux-gnu/libc.so.6+0x110630) >> /bin/bash: line 1: 946980 Segmentation fault ld.lld -m elf_x86_64 -= mllvm -import-instr-limit=3D5 --mllvm=3D-enable-fs-discriminator=3Dtrue --m= llvm=3D-improved-fs-discriminator=3Dtrue -plugin-opt=3Dthinlto -plugin-opt= =3D-split-machine-functions -z noexecstack -r -o net/llc/llc2.o @net/llc/ll= c2.mod -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki