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, MSVC
30
31#include "defines.h"
32#include <string.h>
33
34
35// Don't inline function otherwise stacktrace changes.
36ATTRIBUTE_NOINLINE void bad_function() {
37 char buffer[] = "hello";
38 // CHECK: strcpy-param-overlap: memory ranges
39 // CHECK: [{{0x.*,[ ]*0x.*}}) and [{{0x.*,[ ]*0x.*}}) overlap
40 // CHECK: {{#0 0x.* in .*strcpy}}
41 // CHECK: {{#1 0x.* in bad_function.*strcpy-overlap.cpp:}}[[@LINE+2]]
42 // CHECK: {{#2 0x.* in main .*strcpy-overlap.cpp:}}[[@LINE+5]]
43 strcpy(dest: buffer, src: buffer + 1); // BOOM
44}
45
46int main(int argc, char **argv) {
47 bad_function();
48 return 0;
49}
50

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source code of compiler-rt/test/asan/TestCases/strcpy-overlap.cpp