1 // When we link a binary without the -debug flag, ASan should print out VAs 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: link /nologo /OUT:%t.exe %t.obj %asan_lib %asan_cxx_lib 8 // RUN: not %run %t.exe 2>&1 | FileCheck %s 9 10 #include <stdlib.h> 11 #include <stdio.h> 12 int __attribute__((noinline)) do_uaf(void); 13 int main() { 14 int r = do_uaf(); 15 printf("r: %d\n", r); 16 return r; 17 } 18 int do_uaf(void) { 19 char *x = (char*)malloc(10 * sizeof(char)); 20 free(x); 21 return x[5]; 22 // CHECK: AddressSanitizer: heap-use-after-free 23 // CHECK: #0 {{0x[a-f0-9]+ \(.*[\\/]unsymbolized.cc.*.exe\+0x40[a-f0-9]{4}\)}} 24 // CHECK: #1 {{0x[a-f0-9]+ \(.*[\\/]unsymbolized.cc.*.exe\+0x40[a-f0-9]{4}\)}} 25 } 26
