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-rw-r--r--contrib/plugins/execlog.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/contrib/plugins/execlog.c b/contrib/plugins/execlog.c
index d67d010761..06ec76d6e9 100644
--- a/contrib/plugins/execlog.c
+++ b/contrib/plugins/execlog.c
@@ -232,12 +232,15 @@ static void vcpu_tb_trans(qemu_plugin_id_t id, struct qemu_plugin_tb *tb)
          */
         if (disas_assist && rmatches) {
             check_regs_next = false;
-            gchar *args = g_strstr_len(insn_disas, -1, " ");
-            for (int n = 0; n < all_reg_names->len; n++) {
-                gchar *reg = g_ptr_array_index(all_reg_names, n);
-                if (g_strrstr(args, reg)) {
-                    check_regs_next = true;
-                    skip = false;
+            g_auto(GStrv) args = g_strsplit_set(insn_disas, " \t", 2);
+            if (args && args[1]) {
+                for (int n = 0; n < all_reg_names->len; n++) {
+                    const gchar *reg = g_ptr_array_index(all_reg_names, n);
+                    if (g_strrstr(args[1], reg)) {
+                        check_regs_next = true;
+                        skip = false;
+                        break;
+                    }
                 }
             }
         }