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[binutils-gdb] PR21910, segfault in common symbol override test when hash-style=gnu
- From: Alan Modra <amodra at sourceware dot org>
- To: bfd-cvs at sourceware dot org
- Date: 7 Aug 2017 13:05:14 -0000
- Subject: [binutils-gdb] PR21910, segfault in common symbol override test when hash-style=gnu
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=b3293efaf8ddef1eba52de14be47e3d33bbce35a
commit b3293efaf8ddef1eba52de14be47e3d33bbce35a
Author: Alan Modra <amodra@gmail.com>
Date: Mon Aug 7 18:02:49 2017 +0930
PR21910, segfault in common symbol override test when hash-style=gnu
PR 21910
* elflink.c (bfd_elf_final_link): Don't segfault when sections
needed to define various dynamic tags have been discarded.
Diff:
---
bfd/ChangeLog | 6 ++++++
bfd/elflink.c | 2 +-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 694675f..5d04571 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2017-08-07 Alan Modra <amodra@gmail.com>
+
+ PR 21910
+ * elflink.c (bfd_elf_final_link): Don't segfault when sections
+ needed to define various dynamic tags have been discarded.
+
2017-08-07 Nick Clifton <nickc@redhat.com>
PR 21884
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 0cc5f87..b89d537 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -12342,7 +12342,7 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info)
get_vma:
o = bfd_get_linker_section (dynobj, name);
do_vma:
- if (o == NULL)
+ if (o == NULL || bfd_is_abs_section (o->output_section))
{
_bfd_error_handler
(_("could not find section %s"), name);