Checking patch socket/tst-cmsghdr-skeleton.c... error: while searching for: /* The first header length is so big, using it would cause an overflow. */ cmsg = CMSG_FIRSTHDR (&m); TEST_VERIFY_EXIT ((char *) cmsg == cmsgbuf); cmsg->cmsg_len = SIZE_MAX; cmsg = CMSG_NXTHDR_IMPL (&m, cmsg); TEST_VERIFY_EXIT (cmsg == NULL); error: patch failed: socket/tst-cmsghdr-skeleton.c:49 Applying patch socket/tst-cmsghdr-skeleton.c with 1 reject... Rejected hunk #1.