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Fixed crash of invalid pointer derefer

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This commit is contained in:
Xinchen Hui 2015-07-07 11:29:14 +08:00
parent e04500ceda
commit 653abc670b
1 changed files with 2 additions and 2 deletions
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4
Zend/zend_execute.c
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@ -2361,12 +2361,12 @@ static zend_always_inline void i_cleanup_unfinished_execution(zend_execute_data
{
if (EX(func)->op_array.T_liveliness
&& op_num < EX(func)->op_array.last
&& EX(func)->op_array.T_liveliness[op_num] != (uint32_t) - 1) {
&& EX(func)->op_array.T_liveliness[op_num] != (uint32_t)-1) {
uint32_t *off = EX(func)->op_array.T_liveliness + EX(func)->op_array.T_liveliness[op_num];
uint32_t *catch_off = NULL;
uint32_t var = *off;
if (catch_op_num) {
if (catch_op_num && EX(func)->op_array.T_liveliness[catch_op_num] != (uint32_t)-1) {
catch_off = EX(func)->op_array.T_liveliness + EX(func)->op_array.T_liveliness[catch_op_num];
}