* PATCH: PR ld/17713: 64-bit linker fails("Segment Fault") call libbfd
@ 2014-12-15 16:36 H.J. Lu
0 siblings, 0 replies; only message in thread
From: H.J. Lu @ 2014-12-15 16:36 UTC (permalink / raw)
To: binutils
Hi,
I am checking this patch into master and 2.25 branch to check corrupt
input.
H.J.
---
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 23e4ba5..561c603 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-15 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR ld/17713
+ * elflink.c (_bfd_elf_gc_mark_rsec): Check corrupt input.
+
2014-12-13 H.J. Lu <hongjiu.lu@intel.com>
PR ld/17689
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 2da6d1b..b701fa0 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -11860,6 +11860,12 @@ _bfd_elf_gc_mark_rsec (struct bfd_link_info *info, asection *sec,
|| ELF_ST_BIND (cookie->locsyms[r_symndx].st_info) != STB_LOCAL)
{
h = cookie->sym_hashes[r_symndx - cookie->extsymoff];
+ if (h == NULL)
+ {
+ info->callbacks->einfo (_("%F%P: corrupt input: %B\n"),
+ sec->owner);
+ return NULL;
+ }
while (h->root.type == bfd_link_hash_indirect
|| h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
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2014-12-15 16:36 PATCH: PR ld/17713: 64-bit linker fails("Segment Fault") call libbfd H.J. Lu
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