Hi Adrian,
On Thu, 20 Feb 2025 20:26:23 +
Adrián Larumbe wrote:
> Hi Boris,
>
> On 15.02.2025 10:44, Boris Brezillon wrote:
> > On Fri, 14 Feb 2025 20:55:21 +
> > Adrián Larumbe wrote:
> >
> > > Commit 434e5ca5b5d7 ("drm/panthor: Expose size of driver internal BO's
> > > over
> > >
Hi Boris,
On 15.02.2025 10:44, Boris Brezillon wrote:
> On Fri, 14 Feb 2025 20:55:21 +
> Adrián Larumbe wrote:
>
> > Commit 434e5ca5b5d7 ("drm/panthor: Expose size of driver internal BO's over
> > fdinfo") locks the VMS xarray, to avoid UAF errors when the same VM is
> > being concurrently de
On Fri, 14 Feb 2025 20:55:21 +
Adrián Larumbe wrote:
> Commit 434e5ca5b5d7 ("drm/panthor: Expose size of driver internal BO's over
> fdinfo") locks the VMS xarray, to avoid UAF errors when the same VM is
> being concurrently destroyed by another thread. However, that puts the
> current thread
Commit 434e5ca5b5d7 ("drm/panthor: Expose size of driver internal BO's over
fdinfo") locks the VMS xarray, to avoid UAF errors when the same VM is
being concurrently destroyed by another thread. However, that puts the
current thread in atomic context, which means taking the VMS' heap locks
will tri
