Re: Random corruption test for e2fsck

[Eric Sandeen <sandeen@redhat.com>]

Theodore Tso wrote:
>> 5) If the test went by without any errors the test image is deleted and
>> in case of any errors the user is notified that the log of this test run
>> should be mailed to linux-ext4@ and the image should be preserved.
> 
> I certainly like the general concept!!
> 
> I wonder if the code to create a random filesystem and corrupting it
> should be kept as separate shell script, since it can be reused in
> another of interesting ways.  One thought would be to write a test
> script that mounts corrupted filesystems using UML and then does some
> exercises on it (tar cvf on the filesyste, random renames on the
> filesystem, rm -rf of all of the contents of the filesystems), to see
> whether we can provoke a kernel oops.

FWIW, that's what fsfuzzer does, in an fs-agnostic way.

-Eric