29 lines · cpp
1// RUN: %clangxx_msan -std=c++11 -O0 -g %s -o %t && %run %t2 3#include <assert.h>4#include <fcntl.h>5#include <sanitizer/msan_interface.h>6#include <stdlib.h>7#include <sys/stat.h>8#include <sys/types.h>9#include <unistd.h>10 11int main(void) {12 struct file_handle *handle = reinterpret_cast<struct file_handle *>(13 malloc(sizeof(*handle) + MAX_HANDLE_SZ));14 handle->handle_bytes = MAX_HANDLE_SZ;15 16 int mount_id;17 int res = name_to_handle_at(AT_FDCWD, "/dev/null", handle, &mount_id, 0);18 assert(!res);19 __msan_check_mem_is_initialized(&mount_id, sizeof(mount_id));20 __msan_check_mem_is_initialized(&handle->handle_bytes,21 sizeof(handle->handle_bytes));22 __msan_check_mem_is_initialized(&handle->handle_type,23 sizeof(handle->handle_type));24 __msan_check_mem_is_initialized(&handle->f_handle, handle->handle_bytes);25 26 free(handle);27 return 0;28}29