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improved ASLR (issue #372)

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This commit is contained in:
Daan Leijen 2021-02-24 15:14:17 -08:00
parent 3228bb685f
commit 9317256a4f
2 changed files with 19 additions and 2 deletions
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10
test/main-override.cpp
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@ -32,6 +32,7 @@ void heap_late_free(); // issue #204
void padding_shrink(); // issue #209
void various_tests();
void test_mt_shutdown();
void fail_aslr(); // issue #372
int main() {
mi_stats_reset(); // ignore earlier allocations
@ -41,6 +42,7 @@ int main() {
padding_shrink();
various_tests();
//test_mt_shutdown();
//test_aslr();
mi_stats_print(NULL);
return 0;
}
@ -207,3 +209,11 @@ void test_mt_shutdown()
std::cout << "done" << std::endl;
}
// issue #372
void fail_aslr() {
size_t sz = (4ULL << 40); // 4TiB
void* p = malloc(sz);
printf("pointer p: %p: area up to %p\n", p, (uint8_t*)p + sz);
*(int*)0x7FFFFFFF000 = 0; // should segfault
}