asan_activation.cc [plain text]
#include "asan_activation.h"
#include "asan_flags.h"
#include "asan_internal.h"
#include "sanitizer_common/sanitizer_flags.h"
namespace __asan {
static struct AsanDeactivatedFlags {
int quarantine_size;
int max_redzone;
int malloc_context_size;
bool poison_heap;
} asan_deactivated_flags;
static bool asan_is_deactivated;
void AsanStartDeactivated() {
VReport(1, "Deactivating ASan\n");
asan_deactivated_flags.quarantine_size = flags()->quarantine_size;
asan_deactivated_flags.max_redzone = flags()->max_redzone;
asan_deactivated_flags.poison_heap = flags()->poison_heap;
asan_deactivated_flags.malloc_context_size =
common_flags()->malloc_context_size;
flags()->quarantine_size = 0;
flags()->max_redzone = 16;
flags()->poison_heap = false;
common_flags()->malloc_context_size = 0;
asan_is_deactivated = true;
}
void AsanActivate() {
if (!asan_is_deactivated) return;
VReport(1, "Activating ASan\n");
flags()->quarantine_size = asan_deactivated_flags.quarantine_size;
flags()->max_redzone = asan_deactivated_flags.max_redzone;
flags()->poison_heap = asan_deactivated_flags.poison_heap;
common_flags()->malloc_context_size =
asan_deactivated_flags.malloc_context_size;
asan_is_deactivated = false;
VReport(
1,
"quarantine_size %d, max_redzone %d, poison_heap %d, malloc_context_size "
"%d\n",
flags()->quarantine_size, flags()->max_redzone, flags()->poison_heap,
common_flags()->malloc_context_size);
}
}