[Bug ld/23258] New: Linker cored dump at process_one_opcode

[lpham54321 at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=23258

            Bug ID: 23258
           Summary: Linker cored dump at process_one_opcode
           Product: binutils
           Version: 2.25
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: ld
          Assignee: unassigned at sourceware dot org
          Reporter: lpham54321 at gmail dot com
  Target Milestone: ---

When linking a shared library using object files compiled with clang 6.0.0
(clang++), the linker trapped and generated a core dump at the following call
stack:

Core was generated by `/usr/bin/ld --hash-style=gnu --no-add-needed
--eh-frame-hdr -m elf_x86_64 -shar'.
Program terminated with signal 11, Segmentation fault.
#0  0x00000000006b065b in gold::Sized_dwarf_line_info<64,
false>::process_one_opcode(unsigned char const*, gold::LineStateMachine*,
unsigned long*) ()
Missing separate debuginfos, use: debuginfo-install
binutils-2.25.1-32.base.el7_4.2.x86_64
(gdb) where
#0  0x00000000006b065b in gold::Sized_dwarf_line_info<64,
false>::process_one_opcode(unsigned char const*, gold::LineStateMachine*,
unsigned long*) ()
#1  0x00000000006b0b3e in gold::Sized_dwarf_line_info<64,
false>::read_lines(unsigned char const*, unsigned int) ()
#2  0x00000000006b3c03 in gold::Sized_dwarf_line_info<64,
false>::read_line_mappings(unsigned int) ()
#3  0x00000000006b41c0 in gold::Sized_dwarf_line_info<64,
false>::Sized_dwarf_line_info(gold::Object*, unsigned int) ()
#4  0x00000000005e6b85 in gold::Relocate_info<64, false>::location(unsigned
long, long) const ()
#5  0x0000000000586a4d in void gold::gold_warning_at_location<64,
false>(gold::Relocate_info<64, false> const*, unsigned long, long, char const*,
...) ()
#6  0x00000000004453c9 in (anonymous
namespace)::Target_x86_64<64>::relocate_section(gold::Relocate_info<64, false>
const*, unsigned int, unsigned char const*, unsigned long,
gold::Output_section*, bool, unsigned char*, unsigned long, unsigned long,
gold::Reloc_symbol_changes const*) ()
#7  0x000000000066541f in gold::Sized_relobj_file<64,
false>::do_relocate_sections(gold::Symbol_table const*, gold::Layout const*,
unsigned char const*, gold::Output_file*,
std::vector<gold::Sized_relobj_file<64, false>::View_size,
std::allocator<gold::Sized_relobj_file<64, false>::View_size> >*) ()
#8  0x000000000065fc0e in gold::Sized_relobj_file<64,
false>::do_relocate(gold::Symbol_table const*, gold::Layout const*,
gold::Output_file*) ()
#9  0x000000000065416d in gold::Relocate_task::run(gold::Workqueue*) ()
#10 0x000000000069d25d in gold::Workqueue::find_and_run_task(int) ()
#11 0x000000000069d58a in gold::Workqueue::process(int) ()
#12 0x0000000000406cf2 in main ()

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