From: Roland McGrath <roland@redhat.com>
Date: Thu, 5 Nov 2009 19:34:08 +0000 (-0800)
Subject: Ignore link_map entries with l_ld==0.
X-Git-Tag: elfutils-0.144~30
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cdb48e066a4cd6bd487ff8f53a8f8d5bc221a1a8;p=thirdparty%2Felfutils.git

Ignore link_map entries with l_ld==0.
---

diff --git a/libdwfl/ChangeLog b/libdwfl/ChangeLog
index 5b876d338..48f266513 100644
--- a/libdwfl/ChangeLog
+++ b/libdwfl/ChangeLog
@@ -1,3 +1,7 @@
+2009-11-05  Roland McGrath  <roland@redhat.com>
+
+	* link_map.c (report_r_debug): Skip entries with l_ld==0.
+
 2009-09-04  Roland McGrath  <roland@redhat.com>
 
 	* image-header.c (__libdw_image_header): Fix tranposed comparison.
diff --git a/libdwfl/link_map.c b/libdwfl/link_map.c
index 2d4d75f1a..7938f85e5 100644
--- a/libdwfl/link_map.c
+++ b/libdwfl/link_map.c
@@ -346,6 +346,11 @@ report_r_debug (uint_fast8_t elfclass, uint_fast8_t elfdata,
       GElf_Addr l_ld = addrs[2];
       next = addrs[3];
 
+      /* If a clobbered or truncated memory image has no useful pointer,
+	 just skip this element.  */
+      if (l_ld == 0)
+	continue;
+
       /* Fetch the string at the l_name address.  */
       const char *name = NULL;
       if (buffer != NULL