[hwasan] tests for a buffer overflow with a large allocation
// RUN: not %run %t 40 2>&1 | FileCheck %s --check-prefix=CHECK40
// RUN: not %run %t 80 2>&1 | FileCheck %s --check-prefix=CHECK80
// RUN: not %run %t -30 2>&1 | FileCheck %s --check-prefix=CHECKm30
+// RUN: not %run %t -30 1000000 2>&1 | FileCheck %s --check-prefix=CHECKMm30
+// RUN: not %run %t 1000000 1000000 2>&1 | FileCheck %s --check-prefix=CHECKM
// REQUIRES: stable-runtime
int main(int argc, char **argv) {
__hwasan_enable_allocator_tagging();
int offset = argc < 2 ? 40 : atoi(argv[1]);
- char * volatile x = (char*)malloc(30);
+ int size = argc < 3 ? 30 : atoi(argv[2]);
+ char * volatile x = (char*)malloc(size);
x[offset] = 42;
// CHECK40: is located 10 bytes to the right of 30-byte region
// CHECK80: is located 50 bytes to the right of 30-byte region
// CHECKm30: is located 30 bytes to the left of 30-byte region
+// CHECKMm30: is located 30 bytes to the left of 1000000-byte region
+// CHECKM: is located 0 bytes to the right of 1000000-byte region
free(x);
}
