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-rw-r--r--test/msan/Linux/ioctl_sound.cc29
1 files changed, 29 insertions, 0 deletions
diff --git a/test/msan/Linux/ioctl_sound.cc b/test/msan/Linux/ioctl_sound.cc
new file mode 100644
index 000000000000..fb36c52f2e7e
--- /dev/null
+++ b/test/msan/Linux/ioctl_sound.cc
@@ -0,0 +1,29 @@
+// RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
+// RUN: %clangxx_msan -O3 -g %s -o %t && %run %t
+
+#include <assert.h>
+#include <fcntl.h>
+#include <sound/asound.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <sanitizer/msan_interface.h>
+
+int main(int argc, char **argv) {
+ int fd = open("/dev/snd/controlC0", O_RDONLY);
+ if (fd < 0) {
+ printf("Unable to open sound device.");
+ return 0;
+ }
+ const unsigned sz = sizeof(snd_ctl_card_info);
+ void *info = malloc(sz + 1);
+ assert(__msan_test_shadow(info, sz) == 0);
+ assert(ioctl(fd, SNDRV_CTL_IOCTL_CARD_INFO, info) >= 0);
+ assert(__msan_test_shadow(info, sz + 1) == sz);
+ close(fd);
+ free(info);
+ return 0;
+}