1 // Check that without suppressions, we catch the issue. 2 // RUN: %clangxx_asan -O0 %s -o %t 3 // RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s 4 5 // RUN: echo "interceptor_via_fun:crash_function" > %t.supp 6 // RUN: %clangxx_asan -O0 %s -o %t && %env_asan_opts=suppressions='"%t.supp"' %run %t 2>&1 | FileCheck --check-prefix=CHECK-IGNORE %s 7 // RUN: %clangxx_asan -O3 %s -o %t && %env_asan_opts=suppressions='"%t.supp"' %run %t 2>&1 | FileCheck --check-prefix=CHECK-IGNORE %s 8 9 // FIXME: Windows symbolizer needs work to make this pass. 10 // XFAIL: android,win32 11 12 #include <stdio.h> 13 #include <stdlib.h> 14 #include <string.h> 15 16 void crash_function() { 17 char *a = (char *)malloc(6); 18 free(a); 19 size_t len = strlen(a); // BOOM 20 fprintf(stderr, "strlen ignored, len = %zu\n", len); 21 } 22 23 int main() { 24 crash_function(); 25 } 26 27 // CHECK-CRASH: AddressSanitizer: heap-use-after-free 28 // CHECK-CRASH-NOT: strlen ignored 29 // CHECK-IGNORE-NOT: AddressSanitizer: heap-use-after-free 30 // CHECK-IGNORE: strlen ignored 31
