1 // RUN: %clangxx_hwasan -O0 %s -o %t 2 // RUN: %env_hwasan_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s 3 // RUN: %env_hwasan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL 4 5 // REQUIRES: stable-runtime 6 7 #include <stdio.h> 8 #include <stdlib.h> 9 10 #include "../utils.h" 11 12 int main() { 13 void *p = reinterpret_cast<void*>(42); 14 int res = posix_memalign(&p, 17, 100); 15 // CHECK: ERROR: HWAddressSanitizer: invalid alignment requested in posix_memalign: 17 16 // CHECK: {{#0 0x.* in .*posix_memalign}} 17 // CHECK: {{#1 0x.* in main .*posix_memalign-alignment.cpp:}}[[@LINE-3]] 18 // CHECK: SUMMARY: HWAddressSanitizer: invalid-posix-memalign-alignment 19 20 untag_printf("pointer after failed posix_memalign: %zd\n", (size_t)p); 21 // CHECK-NULL: pointer after failed posix_memalign: 42 22 23 return 0; 24 } 25