1 // RUN: %clangxx_asan -O0 -fno-builtin %s -o %t
2 // RUN: not %run %t 2>&1 | FileCheck %s
3 // RUN: echo "interceptor_via_fun:bad_function" > %t.supp
4 // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
5 // RUN: echo "interceptor_name:strcpy" > %t.supp
6 // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
7 //
8 // RUN: %clangxx_asan -O1 -fno-builtin %s -o %t
9 // RUN: not %run %t 2>&1 | FileCheck %s
10 // RUN: echo "interceptor_via_fun:bad_function" > %t.supp
11 // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
12 // RUN: echo "interceptor_name:strcpy" > %t.supp
13 // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
14 //
15 // RUN: %clangxx_asan -O2 -fno-builtin %s -o %t
16 // RUN: not %run %t 2>&1 | FileCheck %s
17 // RUN: echo "interceptor_via_fun:bad_function" > %t.supp
18 // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
19 // RUN: echo "interceptor_name:strcpy" > %t.supp
20 // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
21 //
22 // RUN: %clangxx_asan -O3 -fno-builtin %s -o %t
23 // RUN: not %run %t 2>&1 | FileCheck %s
24 // RUN: echo "interceptor_via_fun:bad_function" > %t.supp
25 // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
26 // RUN: echo "interceptor_name:strcpy" > %t.supp
27 // RUN: %env_asan_opts=suppressions='"%t.supp"' %run %t
28 
29 // UNSUPPORTED: android
30 
31 #include <string.h>
32 
33 
34 // Don't inline function otherwise stacktrace changes.
35 __attribute__((noinline)) void bad_function() {
36   char buffer[] = "hello";
37   // CHECK: strcpy-param-overlap: memory ranges
38   // CHECK: [{{0x.*,[ ]*0x.*}}) and [{{0x.*,[ ]*0x.*}}) overlap
39   // CHECK: {{#0 0x.* in .*strcpy}}
40   // CHECK: {{#1 0x.* in bad_function.*strcpy-overlap.cpp:}}[[@LINE+2]]
41   // CHECK: {{#2 0x.* in main .*strcpy-overlap.cpp:}}[[@LINE+5]]
42   strcpy(buffer, buffer + 1); // BOOM
43 }
44 
45 int main(int argc, char **argv) {
46   bad_function();
47   return 0;
48 }
49