From: Dmitry Stogov <dmitry@zend.com>
Date: Tue, 18 Aug 2020 06:28:13 +0000 (+0300)
Subject: JIT extension may be NULL
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5d94ff8a008c0399094374b47ff0aeff740ddff8;p=php

JIT extension may be NULL
---

diff --git a/ext/opcache/jit/zend_jit_trace.c b/ext/opcache/jit/zend_jit_trace.c
index b8a4f6ac86..6d28780fc5 100644
--- a/ext/opcache/jit/zend_jit_trace.c
+++ b/ext/opcache/jit/zend_jit_trace.c
@@ -4596,7 +4596,6 @@ done:
 					if (JIT_G(opt_level) >= ZEND_JIT_LEVEL_INLINE) {
 						zend_jit_op_array_trace_extension *jit_extension =
 							(zend_jit_op_array_trace_extension*)ZEND_FUNC_INFO(p->op_array);
-						zend_ssa *op_array_ssa = &jit_extension->func_info.ssa;
 
 						i = 0;
 						while (i < p->op_array->num_args) {
@@ -4605,7 +4604,8 @@ done:
 							i++;
 						}
 						while (i < p->op_array->last_var) {
-							if (zend_jit_var_may_be_modified_indirectly(p->op_array, op_array_ssa, i)) {
+							if (jit_extension
+							 && zend_jit_var_may_be_modified_indirectly(p->op_array, &jit_extension->func_info.ssa, i)) {
 								SET_STACK_TYPE(call->stack, i, IS_UNKNOWN);
 							} else {
 								SET_STACK_TYPE(call->stack, i, IS_UNDEF);