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61bcc6 |
diff -rup binutils.orig/bfd/elf.c binutils-2.35/bfd/elf.c
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61bcc6 |
--- binutils.orig/bfd/elf.c 2021-04-19 10:49:21.757290990 +0100
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61bcc6 |
+++ binutils-2.35/bfd/elf.c 2021-04-19 10:50:28.309839285 +0100
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61bcc6 |
@@ -12534,7 +12534,9 @@ _bfd_elf_slurp_secondary_reloc_section (
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61bcc6 |
Elf_Internal_Shdr * hdr = & elf_section_data (relsec)->this_hdr;
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61bcc6 |
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61bcc6 |
if (hdr->sh_type == SHT_SECONDARY_RELOC
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61bcc6 |
- && hdr->sh_info == (unsigned) elf_section_data (sec)->this_idx)
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61bcc6 |
+ && hdr->sh_info == (unsigned) elf_section_data (sec)->this_idx
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61bcc6 |
+ && (hdr->sh_entsize == ebd->s->sizeof_rel
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61bcc6 |
+ || hdr->sh_entsize == ebd->s->sizeof_rela))
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61bcc6 |
{
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61bcc6 |
bfd_byte * native_relocs;
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61bcc6 |
bfd_byte * native_reloc;
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61bcc6 |
diff -rup binutils.orig/bfd/elfcode.h binutils-2.35/bfd/elfcode.h
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61bcc6 |
--- binutils.orig/bfd/elfcode.h 2021-04-19 10:49:21.767290922 +0100
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61bcc6 |
+++ binutils-2.35/bfd/elfcode.h 2021-04-19 10:52:22.196066303 +0100
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61bcc6 |
@@ -568,7 +568,7 @@ elf_object_p (bfd *abfd)
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61bcc6 |
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61bcc6 |
/* If this is a relocatable file and there is no section header
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61bcc6 |
table, then we're hosed. */
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61bcc6 |
- if (i_ehdrp->e_shoff == 0 && i_ehdrp->e_type == ET_REL)
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+ if (i_ehdrp->e_shoff < sizeof (x_ehdr) && i_ehdrp->e_type == ET_REL)
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61bcc6 |
goto got_wrong_format_error;
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61bcc6 |
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61bcc6 |
/* As a simple sanity check, verify that what BFD thinks is the
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61bcc6 |
@@ -578,7 +578,7 @@ elf_object_p (bfd *abfd)
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61bcc6 |
goto got_wrong_format_error;
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61bcc6 |
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61bcc6 |
/* Further sanity check. */
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61bcc6 |
- if (i_ehdrp->e_shoff == 0 && i_ehdrp->e_shnum != 0)
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61bcc6 |
+ if (i_ehdrp->e_shoff < sizeof (x_ehdr) && i_ehdrp->e_shnum != 0)
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61bcc6 |
goto got_wrong_format_error;
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61bcc6 |
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61bcc6 |
ebd = get_elf_backend_data (abfd);
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61bcc6 |
@@ -615,7 +615,7 @@ elf_object_p (bfd *abfd)
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61bcc6 |
&& ebd->elf_osabi != ELFOSABI_NONE)
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61bcc6 |
goto got_wrong_format_error;
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61bcc6 |
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61bcc6 |
- if (i_ehdrp->e_shoff != 0)
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61bcc6 |
+ if (i_ehdrp->e_shoff >= sizeof (x_ehdr))
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61bcc6 |
{
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61bcc6 |
file_ptr where = (file_ptr) i_ehdrp->e_shoff;
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61bcc6 |
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61bcc6 |
@@ -807,7 +807,7 @@ elf_object_p (bfd *abfd)
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61bcc6 |
}
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61bcc6 |
}
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61bcc6 |
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61bcc6 |
- if (i_ehdrp->e_shstrndx != 0 && i_ehdrp->e_shoff != 0)
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61bcc6 |
+ if (i_ehdrp->e_shstrndx != 0 && i_ehdrp->e_shoff >= sizeof (x_ehdr))
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61bcc6 |
{
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61bcc6 |
unsigned int num_sec;
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61bcc6 |
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