From: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Tue, 21 May 2013 23:41:29 +0000 (+0000)
Subject: 2013-05-21  Paul Pluzhnikov  <ppluzhnikov@google.com>
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6dcc1893b6542ed5605fa1079a817adecb73daa0;p=binutils-gdb.git

2013-05-21  Paul Pluzhnikov  <ppluzhnikov@google.com>

	* solib-svr4.c (svr4_free_so): Protect against NULL dereference.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 24e5eb4f922..1d325d0e25e 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2013-05-21  Paul Pluzhnikov  <ppluzhnikov@google.com>
+
+	* solib-svr4.c (svr4_free_so): Protect against NULL dereference.
+
 2013-05-21  Pedro Alves  <palves@redhat.com>
 
 	* python/py-prettyprint.c (apply_val_pretty_printer): Check
diff --git a/gdb/solib-svr4.c b/gdb/solib-svr4.c
index 4e094728e89..055fcb73ead 100644
--- a/gdb/solib-svr4.c
+++ b/gdb/solib-svr4.c
@@ -971,7 +971,8 @@ svr4_free_so (struct so_list *so)
 static void
 svr4_clear_so (struct so_list *so)
 {
-  so->lm_info->l_addr_p = 0;
+  if (so->lm_info != NULL)
+    so->lm_info->l_addr_p = 0;
 }
 
 /* Free so_list built so far (called via cleanup).  */