1 | // When we link a binary without the -debug flag, ASan should print out VAs |
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2 | // instead of RVAs. The frames for main and do_uaf should be above 0x400000, |
3 | // which is the default image base of an executable. |
4 | |
5 | // RUN: rm -f %t.pdb |
6 | // RUN: %clangxx_asan -c -O2 %s -o %t.obj |
7 | // RUN: lld-link /nologo /OUT:%t.exe %t.obj -defaultlib:libcmt -nodefaultlib:msvcrt -defaultlib:oldnames %asan_static_runtime_thunk %asan_lib |
8 | // RUN: not %run %t.exe 2>&1 | FileCheck %s |
9 | // REQUIRES: lld-available |
10 | |
11 | #include "../defines.h" |
12 | #include <stdio.h> |
13 | #include <stdlib.h> |
14 | int ATTRIBUTE_NOINLINE do_uaf(void); |
15 | int main() { |
16 | int r = do_uaf(); |
17 | printf(format: "r: %d\n", r); |
18 | return r; |
19 | } |
20 | int do_uaf(void) { |
21 | char *x = (char*)malloc(size: 10 * sizeof(char)); |
22 | free(ptr: x); |
23 | return x[5]; |
24 | // CHECK: AddressSanitizer: heap-use-after-free |
25 | // CHECK: #0 {{0x[a-f0-9]+ \(.*[\\/]unsymbolized.cpp.*.exe\+(0x40|0x14000)[a-f0-9]{4}\)}} |
26 | // CHECK: #1 {{0x[a-f0-9]+ \(.*[\\/]unsymbolized.cpp.*.exe\+(0x40|0x14000)[a-f0-9]{4}\)}} |
27 | } |
28 |