[Bug binutils/24365] New: Crash due to RISC-V relocation

[luismarques at lowrisc dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=24365

            Bug ID: 24365
           Summary: Crash due to RISC-V relocation
           Product: binutils
           Version: 2.32
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: luismarques at lowrisc dot org
  Target Milestone: ---

(Using the RISC-V GNU toolchain built from the commit
afcc8bc655d30cf6af054ac1d3f5f89d0627aa79 of
https://github.com/riscv/riscv-gnu-toolchain.git, commit
a9d9a104dde6a749f40ce5c4576a0042a7d52d1f of riscv-binutils)

$ cat gnurelocbug.s 
.global test
test:
    auipc t0, %pcrel_hi(test)
    addi  t0, t0, %pcrel_lo(test)

$ riscv32-unknown-elf-gcc gnurelocbug.s 
collect2: fatal error: ld terminated with signal 11 [Segmentation fault], core
dumped
compilation terminated.

$ gdb riscv32-unknown-elf-ld
(gdb) run gnurelocbug.o
Starting program: riscv32-unknown-elf-ld gnurelocbug.o
riscv32-unknown-elf-ld: warning: cannot find entry symbol _start; defaulting to
0000000000010054

Program received signal SIGSEGV, Segmentation fault.
riscv_elf_relocate_section (address@hidden,
info=0x5555556a7d00 <link_info>, address@hidden, 
    address@hidden, contents=0x5555556cc760
"\227\002", address@hidden, local_syms=0x5555556d1c40, 
    local_sections=0x5555556e5810) at
riscv-gnu-toolchain/riscv-binutils/bfd/elfnn-riscv.c:2062
2062              if ((ELF_ST_TYPE (sym->st_info) == STT_SECTION) &&
rel->r_addend)

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