tools/nfs.sh: comment out the fscontext= tests for now

These tests currently fail on mount(2) calls due to the directory being
unlabeled at the point where search access is checked. Until we can resolve
the underlying issue, comment out these tests to allow the NFS tests to
be run. It is unclear that these tests ever passed and retaining them
prevents enabling the NFS tests in automated testing.

This bug is tracked in
#91

Before:
Run 'filesystem' tests with mount context option:
	fscontext=system_u:object_r:test_filesystem_file_t:s0
filesystem/test .. 1/41 Failed mount(2): Permission denied

#   Failed test at filesystem/test line 709.
Failed umount(2): Permission denied

#   Failed test at filesystem/test line 720.
Failed mount(2): Permission denied

#   Failed test at filesystem/test line 744.
Failed umount(2): Permission denied

#   Failed test at filesystem/test line 756.
Failed mount(2): Permission denied

#   Failed test at filesystem/test line 780.
Failed umount(2): No such file or directory

#   Failed test at filesystem/test line 793.
Failed mount(2): Permission denied

#   Failed test at filesystem/test line 851.
Failed umount(2): Permission denied

#   Failed test at filesystem/test line 863.
Failed mount(2): Permission denied

#   Failed test at filesystem/test line 887.
Failed umount(2): Permission denied

#   Failed test at filesystem/test line 899.
Failed mount(2): Permission denied

#   Failed test at filesystem/test line 923.
Failed umount(2): Permission denied

#   Failed test at filesystem/test line 935.

#   Failed test at filesystem/test line 978.
# Looks like you failed 13 tests of 41.
filesystem/test .. Dubious, test returned 13 (wstat 3328, 0xd00)
Failed 13/41 subtests

Test Summary Report
-------------------
filesystem/test (Wstat: 3328 (exited 13) Tests: 41 Failed: 13)
  Failed tests:  23, 25-26, 28-29, 31-32, 34-35, 37-38, 40-41
  Non-zero exit status: 13
Files=1, Tests=41,  1 wallclock secs ( 0.02 usr  0.00 sys +  0.22 cusr  0.36 csys =  0.60 CPU)
Result: FAIL
Failed 1/1 test programs. 13/41 subtests failed.
Test failed on line: 85 - Closing down NFS
NFS Closed down

$ sudo ausearch -m AVC -ts recent | grep unlabeled
type=AVC msg=audit(1716989714.176:42466): avc:  denied  { search } for  pid=170755 comm="mount" name="mntpoint" dev="0:60" ino=822109802 scontext=unconfined_u:unconfined_r:test_filesystem_no_watch_mount_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=0

After:
No failing tests.

Signed-off-by: Stephen Smalley <[email protected]>
Signed-off-by: Ondrej Mosnacek <[email protected]>

tools/nfs.sh

@@ -77,27 +77,31 @@ POPD=0
 popd >/dev/null 2>&1
 umount /mnt/selinux-testsuite
 #
-echo -e "Run 'filesystem' tests with mount context option:\n\t$FS_CTX"
-mount -t nfs -o vers=4.2,$FS_CTX localhost:$TESTDIR /mnt/selinux-testsuite
-pushd /mnt/selinux-testsuite >/dev/null 2>&1
-POPD=1
-cd tests
-./nfsruntests.pl filesystem/test
-cd ../
-POPD=0
-popd >/dev/null 2>&1
-umount /mnt/selinux-testsuite
+# The block below is commented out since these tests do not pass
+# on any known kernel.
+# See https://github.com/SELinuxProject/selinux-testsuite/issues/91
 #
-echo -e "Run 'fs_filesystem' tests with mount context option:\n\t$FS_CTX"
-mount -t nfs -o vers=4.2,$FS_CTX localhost:$TESTDIR /mnt/selinux-testsuite
-pushd /mnt/selinux-testsuite >/dev/null 2>&1
-POPD=1
-cd tests
-./nfsruntests.pl fs_filesystem/test
-cd ../
-POPD=0
-popd >/dev/null 2>&1
-umount /mnt/selinux-testsuite
+#echo -e "Run 'filesystem' tests with mount context option:\n\t$FS_CTX"
+#mount -t nfs -o vers=4.2,$FS_CTX localhost:$TESTDIR /mnt/selinux-testsuite
+#pushd /mnt/selinux-testsuite >/dev/null 2>&1
+#POPD=1
+#cd tests
+#./nfsruntests.pl filesystem/test
+#cd ../
+#POPD=0
+#popd >/dev/null 2>&1
+#umount /mnt/selinux-testsuite
+#
+#echo -e "Run 'fs_filesystem' tests with mount context option:\n\t$FS_CTX"
+#mount -t nfs -o vers=4.2,$FS_CTX localhost:$TESTDIR /mnt/selinux-testsuite
+#pushd /mnt/selinux-testsuite >/dev/null 2>&1
+#POPD=1
+#cd tests
+#./nfsruntests.pl fs_filesystem/test
+#cd ../
+#POPD=0
+#popd >/dev/null 2>&1
+#umount /mnt/selinux-testsuite
 #
 echo "Run NFS context specific tests"
 cd tests