31 lines · cpp
1// RUN: %clangxx_asan %s -o %t2// RUN: not %run %t 0 2>&1 | FileCheck %s3// RUN: not %run %t n 2>&1 | FileCheck %s -check-prefix=CHECK -check-prefix=NON_EXEC4 5// Not every OS lists every memory region in MemoryMappingLayout.6// This is limited to x86_64 because some architectures (e.g. the s390 before7// the z14) don't support NX mappings and others like PowerPC use function8// descriptors.9// REQUIRES: x86-target-arch && (linux || freebsd || netbsd)10 11#include <assert.h>12 13typedef void void_f();14int main(int argc, char **argv) {15 char *array = new char[42];16 void_f *func;17 assert(argc > 1);18 if (argv[1][0] == '0') {19 func = (void_f *)0x04;20 } else {21 assert(argv[1][0] == 'n');22 func = (void_f *)array;23 }24 25 func();26 // CHECK: DEADLYSIGNAL27 // CHECK: {{AddressSanitizer: (SEGV|access-violation).*(address|pc) }}28 // NON_EXEC: PC is at a non-executable region. Maybe a wild jump?29 return 0;30}31