1 // UNSUPPORTED: lsan
2 // This test fails with LSan enabled because the dladdr symbolizer actually leaks
3 // memory because the call to `__sanitizer::DemangleCXXABI` leaks memory which LSan
4 // detects (rdar://problem/42868950).
5 
6 // RUN: %clangxx %s -O0 -o %t
7 // RUN: %env_tool_opts=verbosity=2,external_symbolizer_path=,stack_trace_format='"function_name:%f function_offset:%q"' %run %t > %t.output 2>&1
8 // RUN: FileCheck -input-file=%t.output %s
9 #include <sanitizer/common_interface_defs.h>
10 #include <stdio.h>
11 
baz()12 void baz() {
13   printf("Do stuff in baz\n");
14   __sanitizer_print_stack_trace();
15 }
16 
bar()17 void bar() {
18   printf("Do stuff in bar\n");
19   baz();
20 }
21 
foo()22 void foo() {
23   printf("Do stuff in foo\n");
24   bar();
25 }
26 
main()27 int main() {
28   printf("Do stuff in main\n");
29   foo();
30   return 0;
31 }
32 
33 // CHECK: External symbolizer is explicitly disabled
34 // CHECK: Using dladdr symbolizer
35 
36 // These `function_offset` patterns are designed to disallow `0x0` which is the
37 // value printed for `kUnknown`.
38 // CHECK: function_name:baz{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
39 // CHECK: function_name:bar{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
40 // CHECK: function_name:foo{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
41 // CHECK: function_name:main{{(\(\))?}} function_offset:0x{{0*[1-9a-f][0-9a-f]*$}}
42