Cypher_Stack/RandomWOW
2
0
Fork 0
mirror of https://git.wownero.com/wownero/RandomWOW.git synced 2024-12-21 23:38:54 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #189 from tevador/pr-set-cache

Browse Source 
Fix potential use-after-free when reallocating cache
This commit is contained in:
tevador 2020-06-27 20:42:15 +02:00 committed by GitHub
commit 6a4afc721f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/randomx.cpp
View File

@ -329,7 +329,7 @@ extern "C" {
void randomx_vm_set_cache(randomx_vm *machine, randomx_cache* cache) { void randomx_vm_set_cache(randomx_vm *machine, randomx_cache* cache) {
assert(machine != nullptr); assert(machine != nullptr);
assert(cache != nullptr && cache->isInitialized()); assert(cache != nullptr && cache->isInitialized());
if (machine->cacheKey != cache->cacheKey) { if (machine->cacheKey != cache->cacheKey || machine->getMemory() != cache->memory) {
machine->setCache(cache); machine->setCache(cache);
machine->cacheKey = cache->cacheKey; machine->cacheKey = cache->cacheKey;
} }

3
src/virtual_machine.hpp
View File

@ -54,6 +54,9 @@ public:
{ {
return program; return program;
} }
const uint8_t* getMemory() const {
return mem.memory;
}
protected: protected:
void initialize(); void initialize();
alignas(64) randomx::Program program; alignas(64) randomx::Program program;