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fix check_safe_func

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This commit is contained in:
Thibaud Labat 2024-06-26 21:19:14 +02:00
parent ebe96a9ec6
commit aabb52caae
1 changed files with 2 additions and 7 deletions
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9
src/luajit.c
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@ -675,13 +675,8 @@ int main(int argc, char **argv);
// ChatGPT told me that my function call would be safe with this.
int check_safe_func(void* ptr){
long long int v1 = ptr-(size_t)malloc(10);
v1 >>= 6;
long long int v2 = ptr-((size_t)((size_t)&main)&~0xffff);
// TODO: remove
printf("[DEBUG] v1 = %lld, \tv2 = %lld\n",v1,v2);
return !(v2<0||(0<v1 && v1<31415926)||(ptr == &random_digit || ptr==&do_something || ptr==&get_time));
return ((size_t)ptr)>>32 | !( ptr>(size_t)malloc(10)
||(ptr == &random_digit || ptr==&do_something || ptr==&get_time));
}