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Diffstat (limited to 'core/io/packed_data_container.cpp')
-rw-r--r--core/io/packed_data_container.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/core/io/packed_data_container.cpp b/core/io/packed_data_container.cpp
index 4a76f0191d..d34b5b6fe3 100644
--- a/core/io/packed_data_container.cpp
+++ b/core/io/packed_data_container.cpp
@@ -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;