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-rw-r--r--bfd/ChangeLog5
-rw-r--r--bfd/elf64-mips.c17
2 files changed, 22 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 8df416f..d65d5a8 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2018-04-09 Maciej W. Rozycki <macro@mips.com>
+
+ * elf64-mips.c (mips_elf64_slurp_one_reloc_table): Issue an
+ error for out-of-range `r_sym' values.
+
2018-04-09 Alan Modra <amodra@gmail.com>
* elf64-ppc.c (struct _ppc64_elf_section_data): Add has_pltcall field.
diff --git a/bfd/elf64-mips.c b/bfd/elf64-mips.c
index 115047f..86e5589 100644
--- a/bfd/elf64-mips.c
+++ b/bfd/elf64-mips.c
@@ -3669,6 +3669,7 @@ mips_elf64_slurp_one_reloc_table (bfd *abfd, asection *asect,
{
void *allocated;
bfd_byte *native_relocs;
+ unsigned int symcount;
arelent *relent;
bfd_vma i;
int entsize;
@@ -3694,6 +3695,11 @@ mips_elf64_slurp_one_reloc_table (bfd *abfd, asection *asect,
else
rela_p = TRUE;
+ if (dynamic)
+ symcount = bfd_get_dynamic_symcount (abfd);
+ else
+ symcount = bfd_get_symcount (abfd);
+
for (i = 0, relent = relents;
i < reloc_count;
i++, native_relocs += entsize)
@@ -3750,6 +3756,17 @@ mips_elf64_slurp_one_reloc_table (bfd *abfd, asection *asect,
{
if (rela.r_sym == STN_UNDEF)
relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
+ else if (rela.r_sym > symcount)
+ {
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB(%pA): relocation %" PRIu64
+ " has invalid symbol index %ld"),
+ abfd, asect, (uint64_t) i, rela.r_sym);
+ bfd_set_error (bfd_error_bad_value);
+ relent->sym_ptr_ptr
+ = bfd_abs_section_ptr->symbol_ptr_ptr;
+ }
else
{
asymbol **ps, *s;