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/* Apache License, Version 2.0 */
#include "testing/testing.h"
#include "MEM_guardedalloc.h"
/* We expect to abort on integer overflow, to prevent possible exploits. */
#ifdef _WIN32
#define ABORT_PREDICATE ::testing::ExitedWithCode(3)
#else
#define ABORT_PREDICATE ::testing::KilledBySignal(SIGABRT)
#endif
namespace {
void MallocArray(size_t len, size_t size)
{
void *mem = MEM_malloc_arrayN(len, size, "MallocArray");
if (mem) {
MEM_freeN(mem);
}
}
void CallocArray(size_t len, size_t size)
{
void *mem = MEM_calloc_arrayN(len, size, "CallocArray");
if (mem) {
MEM_freeN(mem);
}
}
} // namespace
TEST(guardedalloc, LockfreeIntegerOverflow)
{
MallocArray(1, SIZE_MAX);
CallocArray(SIZE_MAX, 1);
MallocArray(SIZE_MAX / 2, 2);
CallocArray(SIZE_MAX / 1234567, 1234567);
EXPECT_EXIT(MallocArray(SIZE_MAX, 2), ABORT_PREDICATE, "");
EXPECT_EXIT(CallocArray(7, SIZE_MAX), ABORT_PREDICATE, "");
EXPECT_EXIT(MallocArray(SIZE_MAX, 12345567), ABORT_PREDICATE, "");
EXPECT_EXIT(CallocArray(SIZE_MAX, SIZE_MAX), ABORT_PREDICATE, "");
}
TEST(guardedalloc, GuardedIntegerOverflow)
{
MEM_use_guarded_allocator();
MallocArray(1, SIZE_MAX);
CallocArray(SIZE_MAX, 1);
MallocArray(SIZE_MAX / 2, 2);
CallocArray(SIZE_MAX / 1234567, 1234567);
EXPECT_EXIT(MallocArray(SIZE_MAX, 2), ABORT_PREDICATE, "");
EXPECT_EXIT(CallocArray(7, SIZE_MAX), ABORT_PREDICATE, "");
EXPECT_EXIT(MallocArray(SIZE_MAX, 12345567), ABORT_PREDICATE, "");
EXPECT_EXIT(CallocArray(SIZE_MAX, SIZE_MAX), ABORT_PREDICATE, "");
}
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