JIT extension may be NULL

Author: dstogov

ext/opcache/jit/zend_jit_trace.c

@@ -4596,7 +4596,6 @@ static const void *zend_jit_trace(zend_jit_trace_rec *trace_buffer, uint32_t par
 					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 @@ static const void *zend_jit_trace(zend_jit_trace_rec *trace_buffer, uint32_t par
 							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);