Segmentation fault i386-gen

A case of inst->next being uninitialised.

	* i386-gen.c (parse_template): Ensure entire template_instance
	is initialised.

(cherry picked from commit c3ffb8f340f567949f24c3bab62259f0e593637f)

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index fada4f8c94b516f2e8ab830f94ee905f4a98c540..ced84d63a771a0b62ee564ca94592e18f6f8d445 100644 (file)
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,8 @@
+2021-01-26  Alan Modra  <amodra@gmail.com>
+
+       * i386-gen.c (parse_template): Ensure entire template_instance
+       is initialised.
+
 2020-10-07  H.J. Lu  <hongjiu.lu@intel.com>
 
        PR gas/26685

diff --git a/opcodes/i386-gen.c b/opcodes/i386-gen.c
index 7230f873445a710fe525cf83a94ab70e2c0812a7..09615f6069cf789778a61c2702d5d2120e8839f1 100644 (file)
--- a/opcodes/i386-gen.c
+++ b/opcodes/i386-gen.c
@@ -1465,6 +1465,8 @@ parse_template (char *buf, int lineno)
       *end++ = '\0';
 
       inst = xmalloc (sizeof (*inst));
+      inst->next = NULL;
+      inst->args = NULL;
 
       cur = next_field (buf, ':', &next, end);
       inst->name = xstrdup (cur);