diff options
| author | loli10K <[email protected]> | 2019-09-24 21:01:37 +0200 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2019-09-24 12:01:37 -0700 |
| commit | d359e99c38f66732d42278c32d52cfcf1839aa4f (patch) | |
| tree | 7206eb4767afe1f831c67f20cb7e77061e5176f8 /tests/zfs-tests | |
| parent | 73d7820bba26dd61085cb6dd8348ebf0bb41b951 (diff) | |
diff_cb() does not handle large dnodes
Trying to 'zfs diff' a snapshot with large dnodes will incorrectly try
to access its interior slots when dnodesize > sizeof(dnode_phys_t).
This is normally not an issue because the interior slots are
zero-filled, which report_dnode() handles calling
report_free_dnode_range(). However this is not the case for encrypted
large dnodes or filesystem using many SA based xattrs where the extra
data past the legacy dnode size boundary is interpreted as a
dnode_phys_t.
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Tom Caputi <[email protected]>
Reviewed-by: Ryan Moeller <[email protected]>
Signed-off-by: loli10K <[email protected]>
Closes #7678
Closes #8931
Closes #9343
Diffstat (limited to 'tests/zfs-tests')
| -rwxr-xr-x | tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_encrypted.ksh | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_encrypted.ksh b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_encrypted.ksh index 471e9ca68..96e6d9b5a 100755 --- a/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_encrypted.ksh +++ b/tests/zfs-tests/tests/functional/cli_root/zfs_diff/zfs_diff_encrypted.ksh @@ -24,14 +24,15 @@ # 1. Create an encrypted dataset # 2. Create two snapshots of the dataset # 3. Perform 'zfs diff -Ft' and verify no errors occur +# 4. Perform the same test on a dataset with large dnodes # verify_runnable "both" function cleanup { - datasetexists $TESTPOOL/$TESTFS1 && \ - log_must zfs destroy -r $TESTPOOL/$TESTFS1 + destroy_dataset "$TESTPOOL/$TESTFS1" "-r" + destroy_dataset "$TESTPOOL/$TESTFS2" "-r" } log_assert "'zfs diff' should work with encrypted datasets" @@ -50,4 +51,13 @@ log_must zfs snapshot $TESTPOOL/$TESTFS1@snap2 # 3. Perform 'zfs diff' and verify no errors occur log_must zfs diff -Ft $TESTPOOL/$TESTFS1@snap1 $TESTPOOL/$TESTFS1@snap2 +# 4. Perform the same test on a dataset with large dnodes +log_must eval "echo 'password' | zfs create -o dnodesize=4k \ + -o encryption=on -o keyformat=passphrase $TESTPOOL/$TESTFS2" +MNTPOINT="$(get_prop mountpoint $TESTPOOL/$TESTFS2)" +log_must zfs snapshot $TESTPOOL/$TESTFS2@snap1 +log_must touch "$MNTPOINT/file" +log_must zfs snapshot $TESTPOOL/$TESTFS2@snap2 +log_must zfs diff -Ft $TESTPOOL/$TESTFS2@snap1 $TESTPOOL/$TESTFS2@snap2 + log_pass "'zfs diff' works with encrypted datasets" |