The clang nightly build failures are noticed on stable-rc 6.6 and 6.1 for riscv allmodconfig builds. Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> Logs: ===== arch/riscv/kernel -I ./arch/riscv/kernel -dwarf-version=4 -mrelocation-model static -target-abi lp64 -mllvm -riscv-add-build-attributes -o arch/riscv/kernel/kexec_relocate.o /tmp/kexec_relocate-28089a.s #0 0x00007f5039e1667a llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0xd6d67a) #1 0x00007f5039e146a4 llvm::sys::RunSignalHandlers() (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0xd6b6a4) #2 0x00007f5039e16d3b (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0xd6dd3b) #3 0x00007f5038ba8510 (/lib/x86_64-linux-gnu/libc.so.6+0x3c510) #4 0x00007f503c8f50c8 (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0x384c0c8) #5 0x00007f503b492cf5 (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0x23e9cf5) #6 0x00007f503b492607 (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0x23e9607) #7 0x00007f503b492300 llvm::MCExpr::evaluateAsRelocatableImpl(llvm::MCValue&, llvm::MCAssembler const*, llvm::MCAsmLayout const*, llvm::MCFixup const*, llvm::DenseMap<llvm::MCSection const*, unsigned long, llvm::DenseMapInfo<llvm::MCSection const*, void>, llvm::detail::DenseMapPair<llvm::MCSection const*, unsigned long>> const*, bool) const (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0x23e9300) #8 0x00007f503b492536 llvm::MCExpr::evaluateAsRelocatable(llvm::MCValue&, llvm::MCAsmLayout const*, llvm::MCFixup const*) const (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0x23e9536) #9 0x00007f503b46d51a llvm::MCAssembler::evaluateFixup(llvm::MCAsmLayout const&, llvm::MCFixup const&, llvm::MCFragment const*, llvm::MCValue&, llvm::MCSubtargetInfo const*, unsigned long&, bool&) const (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0x23c451a) #10 0x00007f503b46f8d2 llvm::MCAssembler::layout(llvm::MCAsmLayout&) (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0x23c68d2) #11 0x00007f503b46fbeb llvm::MCAssembler::Finish() (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0x23c6beb) #12 0x00007f503b48e43c llvm::MCELFStreamer::finishImpl() (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0x23e543c) #13 0x00007f503b4ec410 (/lib/x86_64-linux-gnu/libLLVM-18.so.1+0x2443410) #14 0x000055b46ddce675 cc1as_main(llvm::ArrayRef<char const*>, char const*, void*) (/usr/lib/llvm-18/bin/clang+0x18675) #15 0x000055b46ddc6285 (/usr/lib/llvm-18/bin/clang+0x10285) #16 0x000055b46ddc53a8 clang_main(int, char**, llvm::ToolContext const&) (/usr/lib/llvm-18/bin/clang+0xf3a8) #17 0x000055b46ddd3016 main (/usr/lib/llvm-18/bin/clang+0x1d016) #18 0x00007f5038b936ca (/lib/x86_64-linux-gnu/libc.so.6+0x276ca) #19 0x00007f5038b93785 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x27785) #20 0x000055b46ddc2b11 _start (/usr/lib/llvm-18/bin/clang+0xcb11) clang: error: unable to execute command: Segmentation fault (core dumped) clang: error: clang integrated assembler command failed due to signal (use -v to see invocation) Debian clang version 18.0.0 (++20240107111313+2835be82db20-1~exp1~20240107111423.1804) Target: riscv64-unknown-linux-gnu Thread model: posix InstalledDir: /usr/local/bin clang: note: diagnostic msg: ******************** PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: Preprocessed source(s) and associated run script(s) are located at: clang: note: diagnostic msg: /tmp/kexec_relocate-53192a.S clang: note: diagnostic msg: /tmp/kexec_relocate-53192a.sh clang: note: diagnostic msg: ******************** make[4]: *** [scripts/Makefile.build:382: arch/riscv/kernel/kexec_relocate.o] Error 1 Links: - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.6.y/build/v6.6.10-125-gc52463eb66c8/testrun/22017748/suite/build/test/clang-nightly-allmodconfig/details/ - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.1.y/build/v6.1.71-151-g28e6ce52ce18/testrun/22017752/suite/build/test/clang-nightly-allmodconfig/details/ Test history link: - https://qa-reports.linaro.org/_/comparetest/?project=1597&project=1971&suite=build&test=clang-nightly-allmodconfig -- Linaro LKFT https://lkft.linaro.org
