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Fix crash when executing PackedDataContainer._iter_init

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This commit is contained in:
Haoyu Qiu 2021-11-21 20:14:59 +08:00
parent ed02b8af59
commit 8253a45a1a
1 changed files with 4 additions and 0 deletions
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4
core/io/packed_data_container.cpp
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@ -100,6 +100,7 @@ Variant PackedDataContainer::_iter_get_ofs(const Variant &p_iter, uint32_t p_off
}
Variant PackedDataContainer::_get_at_ofs(uint32_t p_ofs, const uint8_t *p_buf, bool &err) const {
ERR_FAIL_COND_V(p_ofs + 4 > (uint32_t)data.size(), Variant());
uint32_t type = decode_uint32(p_buf + p_ofs);
if (type == TYPE_ARRAY || type == TYPE_DICT) {
@ -122,6 +123,7 @@ Variant PackedDataContainer::_get_at_ofs(uint32_t p_ofs, const uint8_t *p_buf, b
}
uint32_t PackedDataContainer::_type_at_ofs(uint32_t p_ofs) const {
ERR_FAIL_COND_V(p_ofs + 4 > (uint32_t)data.size(), 0);
const uint8_t *rd = data.ptr();
ERR_FAIL_COND_V(!rd, 0);
const uint8_t *r = &rd[p_ofs];
@ -131,6 +133,7 @@ uint32_t PackedDataContainer::_type_at_ofs(uint32_t p_ofs) const {
}
int PackedDataContainer::_size(uint32_t p_ofs) const {
ERR_FAIL_COND_V(p_ofs + 4 > (uint32_t)data.size(), 0);
const uint8_t *rd = data.ptr();
ERR_FAIL_COND_V(!rd, 0);
const uint8_t *r = &rd[p_ofs];
@ -149,6 +152,7 @@ int PackedDataContainer::_size(uint32_t p_ofs) const {
}
Variant PackedDataContainer::_key_at_ofs(uint32_t p_ofs, const Variant &p_key, bool &err) const {
ERR_FAIL_COND_V(p_ofs + 4 > (uint32_t)data.size(), Variant());
const uint8_t *rd = data.ptr();
if (!rd) {
err = true;