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mingw-binutils/SOURCES/binutils-handle-corrupt-ver...

31 lines
1.2 KiB

diff -rupN --no-dereference binutils-2.41/bfd/elf.c binutils-2.41-new/bfd/elf.c
--- binutils-2.41/bfd/elf.c 2023-10-17 08:36:10.773734280 +0200
+++ binutils-2.41-new/bfd/elf.c 2023-10-17 08:36:21.496307731 +0200
@@ -9479,6 +9479,8 @@ _bfd_elf_slurp_version_tables (bfd *abfd
if (elf_use_dt_symtab_p (abfd))
iverneed->vn_filename
= elf_tdata (abfd)->dt_strtab + iverneed->vn_file;
+ else if (hdr == NULL)
+ goto error_return_bad_verref;
else
iverneed->vn_filename
= bfd_elf_string_from_elf_section (abfd, hdr->sh_link,
@@ -9516,6 +9518,8 @@ _bfd_elf_slurp_version_tables (bfd *abfd
if (elf_use_dt_symtab_p (abfd))
ivernaux->vna_nodename
= elf_tdata (abfd)->dt_strtab + ivernaux->vna_name;
+ else if (hdr == NULL)
+ goto error_return_bad_verref;
else
ivernaux->vna_nodename
= bfd_elf_string_from_elf_section (abfd, hdr->sh_link,
@@ -9546,7 +9550,7 @@ _bfd_elf_slurp_version_tables (bfd *abfd
iverneed->vn_nextref = NULL;
if (iverneed->vn_next == 0)
break;
- if (i + 1 < hdr->sh_info)
+ if (hdr != NULL && (i + 1 < hdr->sh_info))
iverneed->vn_nextref = iverneed + 1;
if (iverneed->vn_next