1 files changed, 122 insertions, 0 deletions
diff --git a/tests/bugs/shard/bug-1696136.c b/tests/bugs/shard/bug-1696136.c
new file mode 100644
index 00000000000..cb650535b09
--- /dev/null
+++ b/tests/bugs/shard/bug-1696136.c
@@ -0,0 +1,122 @@
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <glusterfs/api/glfs.h>
+#include <glusterfs/api/glfs-handles.h>
+
+enum fallocate_flag {
+    TEST_FALLOCATE_NONE,
+    TEST_FALLOCATE_KEEP_SIZE,
+    TEST_FALLOCATE_ZERO_RANGE,
+    TEST_FALLOCATE_PUNCH_HOLE,
+    TEST_FALLOCATE_MAX,
+};
+
+int
+get_fallocate_flag(int opcode)
+{
+    int ret = 0;
+
+    switch (opcode) {
+        case TEST_FALLOCATE_NONE:
+            ret = 0;
+            break;
+        case TEST_FALLOCATE_KEEP_SIZE:
+            ret = FALLOC_FL_KEEP_SIZE;
+            break;
+        case TEST_FALLOCATE_ZERO_RANGE:
+            ret = FALLOC_FL_ZERO_RANGE;
+            break;
+        case TEST_FALLOCATE_PUNCH_HOLE:
+            ret = FALLOC_FL_PUNCH_HOLE;
+            break;
+        default:
+            ret = -1;
+            break;
+    }
+    return ret;
+}
+
+int
+main(int argc, char *argv[])
+{
+    int ret = 1;
+    int opcode = -1;
+    off_t offset = 0;
+    size_t len = 0;
+    glfs_t *fs = NULL;
+    glfs_fd_t *fd = NULL;
+
+    if (argc != 8) {
+        fprintf(stderr,
+                "Syntax: %s <host> <volname> <opcode> <offset> <len> "
+                "<file-path> <log-file>\n",
+                argv[0]);
+        return 1;
+    }
+
+    fs = glfs_new(argv[2]);
+    if (!fs) {
+        fprintf(stderr, "glfs_new: returned NULL\n");
+        return 1;
+    }
+
+    ret = glfs_set_volfile_server(fs, "tcp", argv[1], 24007);
+    if (ret != 0) {
+        fprintf(stderr, "glfs_set_volfile_server: returned %d\n", ret);
+        goto out;
+    }
+
+    ret = glfs_set_logging(fs, argv[7], 7);
+    if (ret != 0) {
+        fprintf(stderr, "glfs_set_logging: returned %d\n", ret);
+        goto out;
+    }
+
+    ret = glfs_init(fs);
+    if (ret != 0) {
+        fprintf(stderr, "glfs_init: returned %d\n", ret);
+        goto out;
+    }
+
+    opcode = atoi(argv[3]);
+    opcode = get_fallocate_flag(opcode);
+    if (opcode < 0) {
+        fprintf(stderr, "get_fallocate_flag: invalid flag \n");
+        goto out;
+    }
+
+    /* Note that off_t is signed but size_t isn't. */
+    offset = strtol(argv[4], NULL, 10);
+    len = strtoul(argv[5], NULL, 10);
+
+    fd = glfs_open(fs, argv[6], O_RDWR);
+    if (fd == NULL) {
+        fprintf(stderr, "glfs_open: returned NULL\n");
+        goto out;
+    }
+
+    ret = glfs_fallocate(fd, opcode, offset, len);
+    if (ret < 0) {
+        fprintf(stderr, "glfs_fallocate: returned %d\n", ret);
+        goto out;
+    }
+
+    ret = glfs_unlink(fs, argv[6]);
+    if (ret < 0) {
+        fprintf(stderr, "glfs_unlink: returned %d\n", ret);
+        goto out;
+    }
+    /* Sleep for 3s to give enough time for background deletion to complete
+     * during which if the bug exists, the process will crash.
+     */
+    sleep(3);
+    ret = 0;
+
+out:
+    if (fd)
+        glfs_close(fd);
+    glfs_fini(fs);
+    return ret;
+}