1 // RUN: %clangxx_asan -m64 -O0 %s -o %t && %t 2>&1 | %symbolize > %t.out
2 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
3 // RUN: %clangxx_asan -m64 -O1 %s -o %t && %t 2>&1 | %symbolize > %t.out
4 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
5 // RUN: %clangxx_asan -m64 -O2 %s -o %t && %t 2>&1 | %symbolize > %t.out
6 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
7 // RUN: %clangxx_asan -m64 -O3 %s -o %t && %t 2>&1 | %symbolize > %t.out
8 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
9 // RUN: %clangxx_asan -m32 -O0 %s -o %t && %t 2>&1 | %symbolize > %t.out
10 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
11 // RUN: %clangxx_asan -m32 -O1 %s -o %t && %t 2>&1 | %symbolize > %t.out
12 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
13 // RUN: %clangxx_asan -m32 -O2 %s -o %t && %t 2>&1 | %symbolize > %t.out
14 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
15 // RUN: %clangxx_asan -m32 -O3 %s -o %t && %t 2>&1 | %symbolize > %t.out
16 // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-%os < %t.out
17
18 #include <string.h>
19 #include <stdlib.h>
main(int argc,char ** argv)20 int main(int argc, char **argv) {
21 char *hello = (char*)malloc(6);
22 strcpy(hello, "hello");
23 char *short_buffer = (char*)malloc(9);
24 strncpy(short_buffer, hello, 10); // BOOM
25 // CHECK: {{WRITE of size 1 at 0x.* thread T0}}
26 // CHECK-Linux: {{ #0 0x.* in .*strncpy}}
27 // CHECK-Darwin: {{ #0 0x.* in wrap_strncpy}}
28 // CHECK: {{ #1 0x.* in main .*strncpy-overflow.cc:24}}
29 // CHECK: {{0x.* is located 0 bytes to the right of 9-byte region}}
30 // CHECK: {{allocated by thread T0 here:}}
31
32 // CHECK-Linux: {{ #0 0x.* in .*malloc}}
33 // CHECK-Linux: {{ #1 0x.* in main .*strncpy-overflow.cc:23}}
34
35 // CHECK-Darwin: {{ #0 0x.* in .*mz_malloc.*}}
36 // CHECK-Darwin: {{ #1 0x.* in malloc_zone_malloc.*}}
37 // CHECK-Darwin: {{ #2 0x.* in malloc.*}}
38 // CHECK-Darwin: {{ #3 0x.* in main .*strncpy-overflow.cc:23}}
39 return short_buffer[8];
40 }
41