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Fix crash when executing PackedDataContainer._iter_init 

(cherry picked from commit 8253a45a1a)
This commit is contained in:
Haoyu Qiu 2021-11-21 20:14:59 +08:00 committed by Rémi Verschelde
parent c6927a9790
commit 6516f26948
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GPG Key ID: C3336907360768E1
1 changed files with 4 additions and 0 deletions
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4
core/packed_data_container.cpp
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@ -97,6 +97,7 @@ 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) {
@ -119,6 +120,7 @@ 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);
PoolVector<uint8_t>::Read rd = data.read();
ERR_FAIL_COND_V(!rd.ptr(), 0);
const uint8_t *r = &rd[p_ofs];
@ -128,6 +130,7 @@ 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);
PoolVector<uint8_t>::Read rd = data.read();
ERR_FAIL_COND_V(!rd.ptr(), 0);
const uint8_t *r = &rd[p_ofs];
@ -146,6 +149,7 @@ 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());
PoolVector<uint8_t>::Read rd = data.read();
if (!rd.ptr()) {
err = true;