1// RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1
2// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
3// RUN: %clangxx_msan -O0 %s -o %t && MSAN_OPTIONS=keep_going=0 not %run %t >%t.out 2>&1
4// FileCheck %s <%t.out
5// RUN: %clangxx_msan -O0 %s -o %t && MSAN_OPTIONS=keep_going=1 not %run %t >%t.out 2>&1
6// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
7
8// Test how -fsanitize-recover=memory and MSAN_OPTIONS=keep_going affect reports
9// from interceptors.
10// -fsanitize-recover=memory provides the default value of keep_going flag, but is
11// always overwritten by MSAN_OPTIONS
12
13// RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && not %run %t >%t.out 2>&1
14// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
15// RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && MSAN_OPTIONS=keep_going=0 not %run %t >%t.out 2>&1
16// FileCheck %s <%t.out
17// RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && MSAN_OPTIONS=keep_going=1 not %run %t >%t.out 2>&1
18// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
19
20// Test how legacy -mllvm -msan-keep-going and MSAN_OPTIONS=keep_going affect
21// reports from interceptors.
22
23// RUN: %clangxx_msan -mllvm -msan-keep-going=1 -O0 %s -o %t && not %run %t >%t.out 2>&1
24// FileCheck --check-prefix=CHECK-RECOVER %s <%t.out
25
26#include <stdio.h>
27#include <stdlib.h>
28#include <string.h>
29
30int main(int argc, char **argv) {
31 char *volatile x = (char*)malloc(size: 5 * sizeof(char));
32 x[4] = 0;
33 if (strlen(s: x) < 3)
34 exit(status: 0);
35 fprintf(stderr, format: "Done\n");
36 // CHECK-NOT: Done
37 // CHECK-RECOVER: Done
38 return 0;
39}
40

source code of compiler-rt/test/msan/recover-dso.cpp