From: Alan Modra <amodra@gmail.com>
Date: Mon, 7 Aug 2017 08:32:49 +0000 (+0930)
Subject: PR21910, segfault in common symbol override test when hash-style=gnu
X-Git-Tag: binutils-2_29_1~61
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ee24a27bb197787eb0935046a8ff1da9df34a502;p=thirdparty%2Fbinutils-gdb.git

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 --git a/bfd/ChangeLog b/bfd/ChangeLog
index 37c6665f17c..8ac8332ee0c 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.
+
 2017-08-05  Alan Modra  <amodra@gmail.com>
 
 	* elf32-hppa.c (elf32_hppa_set_gp): Don't require an
diff --git a/bfd/elflink.c b/bfd/elflink.c
index bb1a30a8c5a..13647bbb81a 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -12338,7 +12338,7 @@ 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);