tests: non-root io_uring_register
Non-previliged users can't register too many buffers, just skip the test
in this case.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/2d40f84f0fa5e5dc53ef8b55bdcc00a11e0dc5a7.1629813328.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/test/io_uring_register.c b/test/io_uring_register.c
index 53e3987..9475739 100644
--- a/test/io_uring_register.c
+++ b/test/io_uring_register.c
@@ -303,12 +303,14 @@
printf("io_uring_register(%d, %u, %p, %u)\n",
fd, IORING_REGISTER_BUFFERS, iovs, nr);
ret = __sys_io_uring_register(fd, IORING_REGISTER_BUFFERS, iovs, nr);
- if (ret != 0) {
+ if (ret && (errno == ENOMEM || errno == EPERM) && geteuid()) {
+ printf("can't register large iovec for regular users, skip\n");
+ } else if (ret != 0) {
printf("expected success, got %d\n", errno);
status = 1;
- } else
+ } else {
__sys_io_uring_register(fd, IORING_UNREGISTER_BUFFERS, 0, 0);
-
+ }
free(buf);
free(iovs);
return status;
