From: Marek Polacek <mpolacek@redhat.com>
Date: Tue, 22 Mar 2011 00:07:20 +0000 (+0100)
Subject: Don't segfault at DT_PLTREL case.
X-Git-Tag: elfutils-0.153~53^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=44de92ae072a33a84687093cde2bcb277538c424;p=thirdparty%2Felfutils.git

Don't segfault at DT_PLTREL case.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index 6ba890fd0..66cca15d1 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,7 @@
+2011-03-22  Marek Polacek  <mpolacek@redhat.com>
+
+	* readelf.c (handle_dynamic): Don't segfault at DT_PLTREL case.
+
 2011-03-10  Mark Wielaard  <mjw@redhat.com>
 
 	* elflint.c (check_symtab): Use ebl_check_st_other_bits.
diff --git a/src/readelf.c b/src/readelf.c
index 956d8bd46..2e149b221 100644
--- a/src/readelf.c
+++ b/src/readelf.c
@@ -1445,8 +1445,10 @@ handle_dynamic (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr)
 	  printf ("%" PRId64 "\n", dyn->d_un.d_val);
 	  break;
 
-	case DT_PLTREL:
-	  puts (ebl_dynamic_tag_name (ebl, dyn->d_un.d_val, NULL, 0));
+	case DT_PLTREL:;
+	  const char *tagname = ebl_dynamic_tag_name (ebl, dyn->d_un.d_val,
+						      NULL, 0);
+	  puts (tagname ?: "???");
 	  break;
 
 	case DT_FLAGS: