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| author | H.J. Lu <hjl.tools@gmail.com> | 2014-12-15 08:27:57 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2014-12-15 08:27:57 -0800 |
| commit | 263ddf68020ee659a221af45319984b4e73e8efe (patch) | |
| tree | 81d9218464960607f0e17f460a2e7ee8fc23567f /bfd/elflink.c | |
| parent | 4992aa2019c1b0467e60c6064b8aa958913f37e5 (diff) | |
| download | gdb-263ddf68020ee659a221af45319984b4e73e8efe.zip gdb-263ddf68020ee659a221af45319984b4e73e8efe.tar.gz gdb-263ddf68020ee659a221af45319984b4e73e8efe.tar.bz2 | |
Check corrupt input
PR ld/17713
* elflink.c (_bfd_elf_gc_mark_rsec): Check corrupt input.
Diffstat (limited to 'bfd/elflink.c')
| -rw-r--r-- | bfd/elflink.c | 6 |
1 files changed, 6 insertions, 0 deletions
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; |