34 lines · cpp
1// Check that if mach_vm_region_recurse is disallowed by sandbox, we report a message saying so.2 3// RUN: %clangxx_asan -O0 %s -o %t4// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny syscall-mig (kernel-mig-routine mach_vm_region_recurse))' %t 2>&1 | FileCheck --check-prefix=CHECK-DENY %s5// RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ALLOW %s6// RUN: %clangxx_asan -O3 %s -o %t7// RUN: not %run sandbox-exec -p '(version 1)(allow default)(deny syscall-mig (kernel-mig-routine mach_vm_region_recurse))' %t 2>&1 | FileCheck --check-prefix=CHECK-DENY %s8// RUN: not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ALLOW %s9 10// sandbox-exec isn't available on iOS11// UNSUPPORTED: ios12 13// x86_64 does not use ASAN_SHADOW_OFFSET_DYNAMIC14// UNSUPPORTED: x86_64-darwin || x86_64h-darwin15 16#include <stdlib.h>17 18int main() {19 char *x = (char *)malloc(10 * sizeof(char));20 free(x);21 return x[5];22 // CHECK-ALLOW: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}23 // CHECK-DENY-NOT: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}24 // CHECK-ALLOW: {{READ of size 1 at 0x.* thread T0}}25 // CHECK-ALLOW: {{ #0 0x.* in main}}26 // CHECK-ALLOW: {{freed by thread T0 here:}}27 // CHECK-ALLOW: {{ #0 0x.* in free}}28 // CHECK-ALLOW: {{ #1 0x.* in main}}29 // CHECK-ALLOW: {{previously allocated by thread T0 here:}}30 // CHECK-ALLOW: {{ #0 0x.* in malloc}}31 // CHECK-ALLOW: {{ #1 0x.* in main}}32 // CHECK-DENY: {{.*HINT: Ensure mach_vm_region_recurse is allowed under sandbox}}33}34