| 1 | // RUN: %clangxx_msan -O0 -g %s -o %t && %run %t |
|---|---|
| 2 | // RUN: %clangxx_msan -O3 -g %s -o %t && %run %t |
| 3 | |
| 4 | #include <assert.h> |
| 5 | #include <fcntl.h> |
| 6 | #include <sound/asound.h> |
| 7 | #include <stdio.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <sys/ioctl.h> |
| 10 | #include <sys/socket.h> |
| 11 | #include <unistd.h> |
| 12 | |
| 13 | #include <sanitizer/msan_interface.h> |
| 14 | |
| 15 | int main(int argc, char **argv) { |
| 16 | int fd = open(file: "/dev/snd/controlC0", O_RDONLY); |
| 17 | if (fd < 0) { |
| 18 | printf(format: "Unable to open sound device."); |
| 19 | return 0; |
| 20 | } |
| 21 | const unsigned sz = sizeof(snd_ctl_card_info); |
| 22 | void *info = malloc(size: sz + 1); |
| 23 | assert(__msan_test_shadow(info, sz) == 0); |
| 24 | assert(ioctl(fd, SNDRV_CTL_IOCTL_CARD_INFO, info) >= 0); |
| 25 | assert(__msan_test_shadow(info, sz + 1) == sz); |
| 26 | close(fd: fd); |
| 27 | free(ptr: info); |
| 28 | return 0; |
| 29 | } |
| 30 |