1 // RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1 2 // FileCheck %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 %s <%t.out 7 8 // Test behavior of -fsanitize-recover=memory and MSAN_OPTIONS=keep_going. 9 // -fsanitize-recover=memory provides the default value of keep_going flag; value 10 // of 1 can be overwritten by MSAN_OPTIONS, value of 0 can not. 11 12 // RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && not %run %t >%t.out 2>&1 13 // FileCheck --check-prefix=CHECK-RECOVER %s <%t.out 14 // RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && MSAN_OPTIONS=keep_going=0 not %run %t >%t.out 2>&1 15 // FileCheck %s <%t.out 16 // RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && MSAN_OPTIONS=keep_going=1 not %run %t >%t.out 2>&1 17 // FileCheck --check-prefix=CHECK-RECOVER %s <%t.out 18 // RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && MSAN_OPTIONS=halt_on_error=1 not %run %t >%t.out 2>&1 19 // FileCheck %s <%t.out 20 // RUN: %clangxx_msan -fsanitize-recover=memory -O0 %s -o %t && MSAN_OPTIONS=halt_on_error=0 not %run %t >%t.out 2>&1 21 // FileCheck --check-prefix=CHECK-RECOVER %s <%t.out 22 23 // Basic test of legacy -mllvm -msan-keep-going and MSAN_OPTIONS=keep_going. 24 25 // RUN: %clangxx_msan -mllvm -msan-keep-going=1 -O0 %s -o %t && not %run %t >%t.out 2>&1 26 // FileCheck --check-prefix=CHECK-RECOVER %s <%t.out 27 // RUN: %clangxx_msan -mllvm -msan-keep-going=1 -O0 %s -o %t && MSAN_OPTIONS=keep_going=0 not %run %t >%t.out 2>&1 28 // FileCheck %s <%t.out 29 30 #include <stdio.h> 31 #include <stdlib.h> 32 33 int main(int argc, char **argv) { 34 char *volatile x = (char*)malloc(5 * sizeof(char)); 35 if (x[0]) 36 exit(0); 37 fprintf(stderr, "Done\n"); 38 // CHECK-NOT: Done 39 // CHECK-RECOVER: Done 40 return 0; 41 } 42