1 // RUN: %clangxx_asan %s -o %t
2 // RUN: not %run %t 0 2>&1 | FileCheck %s
3 // RUN: not %run %t n 2>&1 | FileCheck %s -check-prefix=CHECK -check-prefix=NON_EXEC
4
5 // Not every OS lists every memory region in MemoryMappingLayout.
6 // This is limited to x86_64 because some architectures (e.g. the s390 before
7 // the z14) don't support NX mappings and others like PowerPC use function
8 // descriptors.
9 // REQUIRES: x86-target-arch && (linux || freebsd || netbsd)
10
11 #include <assert.h>
12
13 typedef void void_f();
main(int argc,char ** argv)14 int 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: DEADLYSIGNAL
27 // 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