Commit Graph

4 Commits

Author SHA1 Message Date
Darrick J. Wong 60ba1274f5 xfs/348: dir->symlink corruption must not be allowed
A directory corrupted into a symlink is caught by the local format
ifork verifiers, and previously this test failed to catch such
kernel bug, so fix the test.

Note that the local format ifork verifiers were introduced by commit
0795e004fd4f ("xfs: create structure verifier function for short
form symlinks"), and didn't get wired up until commit 9cfb9b47479e
("xfs: provide a centralized method for verifying inline fork
data").

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
2018-02-09 00:57:01 +08:00
Darrick J. Wong 7e0b48b33d xfs/348: update error message when transmogrifying symlink into directory
We introduced the inline directory verifier in 4.11 to prevent the
system from trying to use corrupt inline directories.  This has the
effect of changing the error message in one step of the i_mode fuzz
tester, so update the test accordingly.

Note that prior to the existence of the verifier, this test would
occasionally result in memory corruption that did not become evident
until later.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eryu Guan <eguan@redhat.com>
2017-04-14 10:20:41 +08:00
Amir Goldstein 707a5890ca xfs: test fstat with malformed inode mode
In addition to testing xfs_repair on inodes with malformed mode,
also test fstat of those inodes on a mounted fs.

This additional test is quite noisy with dmesg warnings, so
check dmesg has been disabled.

This test fails on kernel 4.9 because a zero size inode is not
identified as malformed dir. A patch has been sent to fix this
("xfs: sanity check directory inode di_size").

This test may be merged before the fix patch.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
2017-01-20 20:05:32 +08:00
Amir Goldstein 726f8c357f xfs: test handling of invalid inode modes
Set all possible file type values for different types of files
and verify that xfs_repair detects the correct errors.

When setting invalid file type values (e.g. core.mode = 0170644),
all files are expected to have been junked by xfs_repair.

When setting valid file type values to non matching file types,
xfs_repair would either detect wrong format and junk the file, e.g.:
  would have junked entry "DATA" in directory PARENT_INO
or detect a ftype mismatch error, e.g.:
  would fix ftype mismatch (5/3) in directory/child PARENT_INO/FIFO_INO

If ftype feature is enabled, when setting file type to one of the
special types (i.e. FIFO(1), CHRDEV(2),BLKDEV(6),SOCKET(14)),
xfs_repair is expected to detect ftype mismatch error. Otherwise,
xfs_repair is not expected to detect ftype mismatch error.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
2017-01-15 13:56:45 +08:00