[PATCH] D123985: [ELF] Assert on invalid GOT or PLT relocations

[Nathan Chancellor via Phabricator via llvm-commits]

nathanchance added subscribers: nickdesaulniers, nathanchance.
nathanchance added a comment.

This assertion triggers when building the Linux kernel for arm64:

  $ make -skj"$(nproc)" ARCH=arm64 LLVM=1 mrproper defconfig all
  ld.lld: /home/nathan/cbl/src/llvm-project/lld/ELF/SyntheticSections.cpp:1597: uint32_t lld::elf::DynamicReloc::getSymIndex(lld::elf::SymbolTableBaseSection *) const: Assertion `(index != 0 || type != target->gotRel && type != target->pltRel) && "GOT or PLT relocation must refer to symbol in dynamic symbol table"' failed.
  ld.lld: /home/nathan/cbl/src/llvm-project/lld/ELF/SyntheticSections.cpp:1597: uint32_t lld::elf::DynamicReloc::getSymIndex(lld::elf::SymbolTableBaseSection *) const: Assertion `(index != 0 || type != target->gotRel && type != target->pltRel) && "GOT or PLT relocation must refer to symbol in dynamic symbol table"' failed.
  ld.lld: /home/nathan/cbl/src/llvm-project/lld/ELF/SyntheticSections.cpp:1597: uint32_t lld::elf::DynamicReloc::getSymIndex(lld::elf::SymbolTableBaseSection *) const: Assertion `(index != 0 || type != target->gotRel && type != target->pltRel) && "GOT or PLT relocation must refer to symbol in dynamic symbol table"' failed.
  ld.lld: /home/nathan/cbl/src/llvm-project/lld/ELF/SyntheticSections.cpp:1597: uint32_t lld::elf::DynamicReloc::getSymIndex(lld::elf::SymbolTableBaseSection *) const: Assertion `(index != 0 || type != target->gotRel && type != target->pltRel) && "GOT or PLT relocation must refer to symbol in dynamic symbol table"' failed.
  ld.lld: /home/nathan/cbl/src/llvm-project/lld/ELF/SyntheticSections.cpp:1597: uint32_t lld::elf::DynamicReloc::getSymIndex(lld::elf::SymbolTableBaseSection *) const: Assertion `(index != 0 || type != target->gotRel && type != target->pltRel) && "GOT or PLT relocation must refer to symbol in dynamic symbol table"' failed.
  PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
  ld.lld: /home/nathan/cbl/src/llvm-project/lld/ELF/SyntheticSections.cpp:1597: uint32_t lld::elf::DynamicReloc::getSymIndex(lld::elf::SymbolTableBaseSection *) const: Assertion `(index != 0 || type != target->gotRel && type != target->pltRel) && "GOT or PLT relocation must refer to symbol in dynamic symbol table"' failed.
  ld.lld: /home/nathan/cbl/src/llvm-project/lld/ELF/SyntheticSections.cpp:1597: uint32_t lld::elf::DynamicReloc::getSymIndex(lld::elf::SymbolTableBaseSection *) const: Assertion `(index != 0 || type != target->gotRel && type != target->pltRel) && "GOT or PLT relocation must refer to symbol in dynamic symbol table"' failed.
  ld.lld: /home/nathan/cbl/src/llvm-project/lld/ELF/SyntheticSections.cpp:1597: uint32_t lld::elf::DynamicReloc::getSymIndex(lld::elf::SymbolTableBaseSection *) const: Assertion `(index != 0 || type != target->gotRel && type != target->pltRel) && "GOT or PLT relocation must refer to symbol in dynamic symbol table"' failed.
  scripts/link-vmlinux.sh: line 164: 2580614 Aborted                 (core dumped) ${ld} ${ldflags} -o ${output} ${wl}--whole-archive ${objs} ${wl}--no-whole-archive ${wl}--start-group ${libs} ${wl}--end-group $@ ${ldlibs}
  make[1]: *** [Makefile:1158: vmlinux] Error 134

What can I provide to help investigate this further?


Repository:
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