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Merge branch 'invalidateThesePointersToo' into 'master'

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Fix pool allocator not invalidating pointers to Lua (by Indev)

Closes #38

See merge request kart-krew-dev/ring-racers!12
This commit is contained in:
Eidolon 2025-09-15 17:14:06 -05:00
commit a509d79343
1 changed files with 10 additions and 0 deletions
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10
src/core/memory.cpp
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@ -14,6 +14,7 @@
#include "../cxxutil.hpp"
#include "../z_zone.h"
#include "../lua_script.h"
using namespace srb2;
@ -117,6 +118,9 @@ void* PoolAllocator::allocate()
void PoolAllocator::deallocate(void* p)
{
// Required in case this block is reused
LUA_InvalidateUserdata(p);
FreeBlock* block = reinterpret_cast<FreeBlock*>(p);
block->next = head_;
head_ = block;
@ -127,6 +131,12 @@ void PoolAllocator::release()
ChunkFooter* next = nullptr;
for (ChunkFooter* i = first_chunk_; i != nullptr; i = next)
{
uint8_t *chunk = (uint8_t*)i->start;
for (size_t j = 0; j < blocks_; j++)
{
// Invalidate all blocks that possibly weren't passed to deallocate
LUA_InvalidateUserdata(chunk + (j * block_size_));
}
next = i->next;
Z_Free(i->start);
}