[binutils-gdb] RISC-V: PR32772, fixed segfault caused by the accidental removal of `h != NULL'

[Nelson Chu]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=512316811d47d689d75d25aa9d5b98bdafd64df6

commit 512316811d47d689d75d25aa9d5b98bdafd64df6
Author: Nelson Chu <nelson@rivosinc.com>
Date:   Sun Mar 9 14:17:09 2025 +0800

    RISC-V: PR32772, fixed segfault caused by the accidental removal of `h != NULL'
    
    bfd/
            PR 32772
            * elfnn-riscv.c (riscv_elf_relocate_section): Fixed segfault caused by
            the accidental removal of `h != NULL' when handling a call to an
            undefined weak function.

Diff:
---
 bfd/elfnn-riscv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bfd/elfnn-riscv.c b/bfd/elfnn-riscv.c
index bca3a585f56..06e99401229 100644
--- a/bfd/elfnn-riscv.c
+++ b/bfd/elfnn-riscv.c
@@ -2783,7 +2783,7 @@ riscv_elf_relocate_section (bfd *output_bfd,
 	case R_RISCV_CALL_PLT:
 	  /* Handle a call to an undefined weak function.  This won't be
 	     relaxed, so we have to handle it here.  */
-	  if (h->root.type == bfd_link_hash_undefweak && !via_plt)
+	  if (h != NULL && h->root.type == bfd_link_hash_undefweak && !via_plt)
 	    {
 	      /* We can use x0 as the base register.  */
 	      bfd_vma insn = bfd_getl32 (contents + rel->r_offset + 4);