forked from OSchip/llvm-project
35 lines
1.6 KiB
C++
35 lines
1.6 KiB
C++
// RUN: %clangxx_msan -m64 -O0 %s -o %t && not %run %t >%t.out 2>&1
|
|
// RUN: FileCheck %s < %t.out
|
|
// RUN: %clangxx_msan -m64 -O1 %s -o %t && not %run %t >%t.out 2>&1
|
|
// RUN: FileCheck %s < %t.out
|
|
// RUN: %clangxx_msan -m64 -O2 %s -o %t && not %run %t >%t.out 2>&1
|
|
// RUN: FileCheck %s < %t.out
|
|
// RUN: %clangxx_msan -m64 -O3 %s -o %t && not %run %t >%t.out 2>&1
|
|
// RUN: FileCheck %s < %t.out
|
|
|
|
// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O0 %s -o %t && not %run %t >%t.out 2>&1
|
|
// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out
|
|
// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O1 %s -o %t && not %run %t >%t.out 2>&1
|
|
// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out
|
|
// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O2 %s -o %t && not %run %t >%t.out 2>&1
|
|
// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out
|
|
// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O3 %s -o %t && not %run %t >%t.out 2>&1
|
|
// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out
|
|
|
|
#include <stdlib.h>
|
|
int main(int argc, char **argv) {
|
|
int *volatile p = (int *)malloc(sizeof(int));
|
|
*p = 42;
|
|
free(p);
|
|
|
|
if (*p)
|
|
exit(0);
|
|
// CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
|
|
// CHECK: {{#0 0x.* in main .*use-after-free.cc:}}[[@LINE-3]]
|
|
|
|
// CHECK-ORIGINS: Uninitialized value was created by a heap allocation
|
|
// CHECK-ORIGINS: {{#0 0x.* in .*free}}
|
|
// CHECK-ORIGINS: {{#1 0x.* in main .*use-after-free.cc:}}[[@LINE-9]]
|
|
return 0;
|
|
}
|