Re: [PATCH V9 2/4] fuse: Trace daemon creds

[Antonio SJ Musumeci]

On 9/30/2020 2:45 PM, Miklos Szeredi wrote:
> On Thu, Sep 24, 2020 at 3:13 PM Alessio Balsini <balsini@xxxxxxxxxxx> wrote:
> > Add a reference to the FUSE daemon credentials, so that they can be used to
> > temporarily raise the user credentials when accessing lower file system
> > files in passthrough.
> Hmm, I think it would be better to store the creds of the ioctl()
> caller together with the open file.   The mounter may deliberately
> have different privileges from the process doing the actual I/O.
>
> Thanks,
> Miklos


In my usecase I'm changing euid/egid of the thread to whichever the 
uid/gid was passed to the server which is otherwise running as root.