21 lines · cpp
1// RUN: %clangxx_hwasan -O0 %s -o %t2// RUN: %env_hwasan_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s3// RUN: %env_hwasan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL4 5#include <stdio.h>6#include <stdlib.h>7 8int main() {9 void *p = reinterpret_cast<void*>(42);10 int res = posix_memalign(&p, 17, 100);11 // CHECK: ERROR: HWAddressSanitizer: invalid alignment requested in posix_memalign: 1712 // CHECK: {{#0 0x.* in .*posix_memalign}}13 // CHECK: {{#1 0x.* in main .*posix_memalign-alignment.cpp:}}[[@LINE-3]]14 // CHECK: SUMMARY: HWAddressSanitizer: invalid-posix-memalign-alignment {{.*}} in main15 16 printf("pointer after failed posix_memalign: %zd\n", (size_t)p);17 // CHECK-NULL: pointer after failed posix_memalign: 4218 19 return 0;20}21