Bug#1078730: linux-image-6.10.3-amd64: ubi module leaves debugfs directory /sys/kernel/debug/ubi when is failing to load

[Salvatore Bonaccorso <carnil@debian.org>]

Control: tags -1 + moreinfo

Hi,

On Thu, Aug 15, 2024 at 01:07:32AM +0200, EasyNetDev wrote:
> Package: src:linux
> Version: 6.10.3-1
> Severity: normal
> 
> Dear Maintainer,
> 
> *** Reporter, please consider answering these questions, where appropriate ***
> 
>    * What led up to the situation?
>    * What exactly did you do (or not do) that was effective (or
>      ineffective)?
>    * What was the outcome of this action?
>    * What outcome did you expect instead?
> 
> *** End of the template - remove these template lines ***
> 
> When I'm using nandsim and write a file in /dev/mtd1 with some UBI partition
> and UBI module can't load the data, is failing to load and is leaving
> /sys/kernel/debug/ubi/ directory.
> The next attempt is failing with:
> 
> [ 1061.450295] debugfs: Directory 'ubi' with parent '/' already present!
> [ 1061.450299] UBI error: cannot create "ubi" debugfs directory, error -17
> [ 1061.450345] UBI error: cannot initialize UBI, error -17
> 
> I think something is happen with debugfs_remove() / ubi_debugfs_exit_dev() when
> module is failing to load.

Can you please report your issue upstream and link your upstream
report back here?

Thanks,
Regards,
Salvatore