1 files changed, 43 insertions, 0 deletions
diff --git a/tests/bugs/fuse/bug-1126048.c b/tests/bugs/fuse/bug-1126048.c
new file mode 100644
index 00000000000..19165ecf6f7
--- /dev/null
+++ b/tests/bugs/fuse/bug-1126048.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+
+/*
+ * This function opens a file and to trigger migration failure, unlinks the
+ * file and performs graph switch (cmd passed in argv). If everything goes fine,
+ * fsync should fail without crashing the mount process.
+ */
+int
+main(int argc, char **argv)
+{
+    int ret = 0;
+    int fd = 0;
+    char *cmd = argv[1];
+    struct stat stbuf = {
+        0,
+    };
+
+    printf("cmd is: %s\n", cmd);
+    fd = open("a.txt", O_CREAT | O_RDWR, 0644);
+    if (fd < 0)
+        printf("open failed: %s\n", strerror(errno));
+
+    ret = unlink("a.txt");
+    if (ret < 0)
+        printf("unlink failed: %s\n", strerror(errno));
+    if (write(fd, "abc", 3) < 0)
+        printf("Not able to print %s\n", strerror(errno));
+    system(cmd);
+    sleep(1); /* No way to confirm graph switch so sleep 1 */
+    ret = fstat(fd, &stbuf);
+    if (ret < 0)
+        printf("fstat failed %\n", strerror(errno));
+    ret = fsync(fd);
+    if (ret < 0)
+        printf("Not able to fsync %s\n", strerror(errno));
+    return 0;
+}