54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
// RUN: %clangxx -fsanitize=realtime %s -o %t
|
|
// RUN: not %run %t 2>&1 | FileCheck %s
|
|
// RUN: %clangxx %s -fsanitize=realtime -o - -S -emit-llvm | FileCheck %s --check-prefix=CHECK-ENABLED-IR
|
|
// RUN: %clangxx %s -o - -S -emit-llvm | FileCheck %s --check-prefix=CHECK-DISABLED-IR
|
|
// UNSUPPORTED: ios
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "sanitizer/rtsan_interface.h"
|
|
|
|
void violation() [[clang::nonblocking]] {
|
|
void *ptr;
|
|
{
|
|
__rtsan::ScopedDisabler disabler{};
|
|
ptr = malloc(2);
|
|
fprintf(stderr, "Allocated pointer %p in disabled context\n", ptr);
|
|
}
|
|
|
|
// ensure nested disablers don't interfere with one another
|
|
{
|
|
void *ptr2;
|
|
__rtsan::ScopedDisabler disabler{};
|
|
{
|
|
__rtsan::ScopedDisabler disabler2{};
|
|
ptr2 = malloc(2);
|
|
fprintf(stderr, "Allocated second pointer %p in disabled context\n",
|
|
ptr2);
|
|
}
|
|
|
|
free(ptr2);
|
|
fprintf(stderr, "Free'd second pointer in disabled context\n");
|
|
}
|
|
|
|
free(ptr);
|
|
}
|
|
|
|
int main() {
|
|
violation();
|
|
return 0;
|
|
// CHECK: Allocated pointer {{.*}} in disabled context
|
|
// CHECK: Allocated second pointer {{.*}} in disabled context
|
|
// CHECK: Free'd second pointer in disabled context
|
|
// CHECK: ==ERROR: RealtimeSanitizer: unsafe-library-call
|
|
// CHECK-NOT: {{.*malloc*}}
|
|
// CHECK-NEXT: {{.*free.*}}
|
|
}
|
|
|
|
// CHECK-ENABLED-IR: {{.*@__rtsan_disable.*}}
|
|
// CHECK-ENABLED-IR: {{.*@__rtsan_enable.*}}
|
|
|
|
// CHECK-DISABLED-IR-NOT: {{.*__rtsan_disable.*}}
|
|
// CHECK-DISABLED-IR-NOT: {{.*__rtsan_enable.*}}
|