Author: markj
Date: Tue Aug 7 15:04:53 2018
New Revision: 337421
URL: https://svnweb.freebsd.org/changeset/base/337421
Log:
MFC r336957:
Add a regression test related to PR 131876.
PR: 131876
Modified:
stable/11/tests/sys/kern/unix_passfd_test.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/tests/sys/kern/unix_passfd_test.c
==============================================================================
--- stable/11/tests/sys/kern/unix_passfd_test.c Tue Aug 7 15:03:11 2018
(r337420)
+++ stable/11/tests/sys/kern/unix_passfd_test.c Tue Aug 7 15:04:53 2018
(r337421)
@@ -447,6 +447,47 @@ ATF_TC_BODY(truncated_rights, tc)
closesocketpair(fd);
}
+ATF_TC_WITHOUT_HEAD(copyout_rights_error);
+ATF_TC_BODY(copyout_rights_error, tc)
+{
+ struct iovec iovec;
+ struct msghdr msghdr;
+ char buf[16];
+ ssize_t len;
+ int fd[2], error, nfds, putfd;
+
+ atf_tc_expect_fail("PR 131876: "
+ "FD leak when copyout of rights returns an error");
+
+ memset(buf, 0, sizeof(buf));
+ domainsocketpair(fd);
+ devnull(&putfd);
+ nfds = getnfds();
+
+ sendfd_payload(fd[0], putfd, buf, sizeof(buf));
+
+ bzero(&msghdr, sizeof(msghdr));
+
+ iovec.iov_base = buf;
+ iovec.iov_len = sizeof(buf);
+ msghdr.msg_control = (char *)-1; /* trigger EFAULT */
+ msghdr.msg_controllen = CMSG_SPACE(sizeof(int));
+ msghdr.msg_iov = &iovec;
+ msghdr.msg_iovlen = 1;
+
+ len = recvmsg(fd[1], &msghdr, 0);
+ error = errno;
+ ATF_REQUIRE_MSG(len == -1, "recvmsg succeeded: %zd", len);
+ ATF_REQUIRE_MSG(errno == EFAULT, "expected EFAULT, got %d (%s)",
+ error, strerror(errno));
+
+ /* Verify that no FDs were leaked. */
+ ATF_REQUIRE(getnfds() == nfds);
+
+ close(putfd);
+ closesocketpair(fd);
+}
+
ATF_TP_ADD_TCS(tp)
{
@@ -459,6 +500,7 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, devfs_orphan);
ATF_TP_ADD_TC(tp, rights_creds_payload);
ATF_TP_ADD_TC(tp, truncated_rights);
+ ATF_TP_ADD_TC(tp, copyout_rights_error);
return (atf_no_error());
}
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