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Fix test_uc_hook_cached_uaf for MacOS M1 (aarch64).

This commit is contained in:
relapids 2022-08-16 00:06:02 -07:00
parent 7fb6264d02
commit 1065c2dff4
1 changed files with 16 additions and 1 deletions
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17
tests/unit/test_ctl.c
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@ -251,15 +251,22 @@ static void test_uc_hook_cached_uaf(void)
uc_hook h;
uint64_t count = 0;
#ifndef _WIN32
void *callback = mmap(NULL, 4096, PROT_READ | PROT_WRITE | PROT_EXEC,
// Apple Silicon does not allow RWX pages.
void *callback = mmap(NULL, 4096, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
TEST_CHECK(callback != (void*)-1);
#else
void *callback = VirtualAlloc(NULL, 4096, MEM_RESERVE | MEM_COMMIT,
PAGE_EXECUTE_READWRITE);
TEST_CHECK(callback != NULL);
#endif
memcpy(callback, (void *)test_uc_hook_cached_cb, 4096);
#ifndef _WIN32
TEST_CHECK(mprotect(callback, 4096, PROT_READ | PROT_EXEC) == 0);
#endif
uc_common_setup(&uc, UC_ARCH_X86, UC_MODE_32, code, sizeof(code) - 1);
OK(uc_hook_add(uc, &h, UC_HOOK_CODE, (void *)callback, (void *)&count, 1,
@ -273,8 +280,16 @@ static void test_uc_hook_cached_uaf(void)
// This will clear deleted hooks and SHOULD clear cache.
OK(uc_emu_start(uc, code_start, code_start + sizeof(code) - 1, 0, 0));
#ifndef _WIN32
TEST_CHECK(mprotect(callback, 4096, PROT_READ | PROT_WRITE) == 0);
#endif
memset(callback, 0, 4096);
#ifndef _WIN32
TEST_CHECK(mprotect(callback, 4096, PROT_READ | PROT_EXEC) == 0);
#endif
// Now hooks are deleted and thus this will trigger a UAF
OK(uc_emu_start(uc, code_start, code_start + sizeof(code) - 1, 0, 0));