diff options
Diffstat (limited to 'tests/functional/dht/test_invalid_memory_read_after_freed.py')
| -rw-r--r-- | tests/functional/dht/test_invalid_memory_read_after_freed.py | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/tests/functional/dht/test_invalid_memory_read_after_freed.py b/tests/functional/dht/test_invalid_memory_read_after_freed.py new file mode 100644 index 000000000..fb4e3719c --- /dev/null +++ b/tests/functional/dht/test_invalid_memory_read_after_freed.py @@ -0,0 +1,102 @@ +# Copyright (C) 2020 Red Hat, Inc. <http://www.redhat.com> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License along` +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +from glusto.core import Glusto as g +from glustolibs.gluster.gluster_base_class import GlusterBaseClass, runs_on +from glustolibs.gluster.exceptions import ExecutionError +from glustolibs.gluster.brick_libs import get_all_bricks +from glustolibs.gluster.glusterdir import get_dir_contents +from glustolibs.gluster.lib_utils import is_core_file_created + + +@runs_on([['distributed-replicated', 'distributed-arbiter', + 'distributed-dispersed', 'distributed'], ['glusterfs']]) +class TestInvalidMemoryReadAfterFreed(GlusterBaseClass): + + def setUp(self): + + self.get_super_method(self, 'setUp')() + + # Creating Volume and mounting the volume + ret = self.setup_volume_and_mount_volume([self.mounts[0]]) + if not ret: + raise ExecutionError("Volume creation or mount failed: %s" + % self.volname) + + # Assign a variable for the first_client + self.first_client = self.mounts[0].client_system + + def tearDown(self): + + # Unmounting and cleaning volume + ret = self.unmount_volume_and_cleanup_volume([self.mounts[0]]) + if not ret: + raise ExecutionError("Unable to delete volume %s" % self.volname) + + self.get_super_method(self, 'tearDown')() + + def test_invalid_memory_read_after_freed(self): + """ + Test case: + 1. Create a volume and start it. + 2. Mount the volume using FUSE. + 3. Create multiple level of dirs and files inside every dir. + 4. Rename files such that linkto files are created. + 5. From the mount point do an rm -rf * and check if all files + are delete or not from mount point as well as backend bricks. + """ + # Fetch timestamp to check for core files + ret, test_timestamp, _ = g.run(self.mnode, "date +%s") + self.assertEqual(ret, 0, "date command failed") + test_timestamp = test_timestamp.strip() + + # Create multiple level of dirs and files inside every dir + cmd = ("cd %s; for i in {1..100}; do mkdir dir$i; cd dir$i; " + "for i in {1..200}; do dd if=/dev/urandom of=file$i bs=1K" + " count=1; done; done" % self.mounts[0].mountpoint) + ret, _, _ = g.run(self.first_client, cmd) + self.assertFalse(ret, "Failed to create dirs and files") + + # Rename files such that linkto files are created + cmd = ("cd %s; for i in {1..100}; do cd dir$i; for i in {1..200}; do " + "mv file$i ntfile$i; done; done" % self.mounts[0].mountpoint) + ret, _, _ = g.run(self.first_client, cmd) + self.assertFalse(ret, "Failed to rename files") + g.log.info("Files created and renamed successfully") + + # From the mount point do an rm -rf * and check if all files + # are delete or not from mount point as well as backend bricks. + ret, _, _ = g.run(self.first_client, + "rm -rf {}/*".format(self.mounts[0].mountpoint)) + self.assertFalse(ret, "rn -rf * failed on mount point") + + ret = get_dir_contents(self.first_client, + "{}/".format(self.mounts[0].mountpoint)) + self.assertEqual(ret, [], "Unexpected: Files and directories still " + "seen from mount point") + + for brick in get_all_bricks(self.mnode, self.volname): + node, brick_path = brick.split(":") + ret = get_dir_contents(node, "{}/".format(brick_path)) + self.assertEqual(ret, [], "Unexpected: Files and dirs still seen " + "on brick %s on node %s" % (brick_path, node)) + g.log.info("rm -rf * on mount point successful") + + # Check for core file on servers and clients + servers = self.servers + [self.first_client] + ret = is_core_file_created(servers, test_timestamp) + self.assertTrue(ret, "Core files found on servers used for test") + g.log.info("No cores found on all participating servers") |