Re: [PATCH v2 04/16] overlayfs: Document critical override_creds() operations

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Miklos Szeredi <miklos@xxxxxxxxxx> writes:

> On Thu, 22 Aug 2024 at 03:25, Vinicius Costa Gomes
> <vinicius.gomes@xxxxxxxxx> wrote:
>>
>> Add a comment to these operations that cannot use the _light version
>> of override_creds()/revert_creds(), because during the critical
>> section the struct cred .usage counter might be modified.
>
> Why is it a problem if the usage counter is modified?  Why is the
> counter modified in each of these cases?
>

Working on getting some logs from the crash that I get when I convert
the remaining cases to use the _light() functions.

Perhaps I was wrong on my interpretation of the crash.

Thanks for raising this, I should have added more information about this.


Cheers,
-- 
Vinicius




[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [NTFS 3]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [NTFS 3]     [Samba]     [Device Mapper]     [CEPH Development]

  Powered by Linux