tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6bd343537461b57f3efe5dfc5fc193a232dfef1e commit: 2aa0cff26ed53bc8d4855292b501759435ffdd38 [2092/6266] selftest: af_unix: Test GC for SCM_RIGHTS. compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <yujie.liu@xxxxxxxxx> | Closes: https://lore.kernel.org/r/202404160354.YBvIGPEM-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from scm_rights.c:13: ./../../kselftest_harness.h:1205:30: warning: format string is empty [-Wformat-zero-length] 1205 | diagnostic ? "%s" : "", diagnostic); | ^~ >> scm_rights.c:203:18: warning: field 'cmsghdr' with variable sized type 'struct cmsghdr' not at the end of a struct or class is a GNU extension [-Wgnu-variable-sized-type-not-at-end] 203 | struct cmsghdr cmsghdr; | ^ 2 warnings generated. vim +203 tools/testing/selftests/net/af_unix/scm_rights.c 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 194 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 195 void __send_fd(struct __test_metadata *_metadata, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 196 const FIXTURE_DATA(scm_rights) *self, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 197 const FIXTURE_VARIANT(scm_rights) *variant, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 198 int inflight, int receiver) 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 199 { 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 200 #define MSG "nop" 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 201 #define MSGLEN 3 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 202 struct { 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 @203 struct cmsghdr cmsghdr; 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 204 int fd[2]; 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 205 } cmsg = { 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 206 .cmsghdr = { 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 207 .cmsg_len = CMSG_LEN(sizeof(cmsg.fd)), 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 208 .cmsg_level = SOL_SOCKET, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 209 .cmsg_type = SCM_RIGHTS, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 210 }, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 211 .fd = { 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 212 self->fd[inflight * 2], 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 213 self->fd[inflight * 2], 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 214 }, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 215 }; 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 216 struct iovec iov = { 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 217 .iov_base = MSG, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 218 .iov_len = MSGLEN, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 219 }; 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 220 struct msghdr msg = { 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 221 .msg_name = NULL, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 222 .msg_namelen = 0, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 223 .msg_iov = &iov, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 224 .msg_iovlen = 1, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 225 .msg_control = &cmsg, 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 226 .msg_controllen = CMSG_SPACE(sizeof(cmsg.fd)), 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 227 }; 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 228 int ret; 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 229 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 230 ret = sendmsg(self->fd[receiver * 2 + 1], &msg, variant->flags); 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 231 ASSERT_EQ(MSGLEN, ret); 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 232 } 2aa0cff26ed53b Kuniyuki Iwashima 2024-03-25 233 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
