On Mon, Apr 20, 2020 at 03:41:40PM -0700, Kees Cook wrote:
> On Mon, Apr 20, 2020 at 03:33:52PM -0700, Andrew Morton wrote:
> > On Sun, 19 Apr 2020 12:08:48 +0200 gli...@google.com wrote:
> >
> > > KMSAN reported uninitialized data being written to disk when dumping
> > > core. As a result,
On Wed, May 27, 2020 at 08:53:03PM +0100, Al Viro wrote:
> Either way would work - I was going to send it to Linus tonight and an
> extra Acked-by: would be welcome. OTOH, if you would rather have all
> x86-related patches go through x86 git... your subtree, your rules.
Ok, here we go:
On Wed, May 27, 2020 at 09:04:56PM +0200, Borislav Petkov wrote:
> On Tue, May 26, 2020 at 11:38:17PM +0100, Al Viro wrote:
> > Folks, could you test the following?
> >
> > copy_xstate_to_kernel(): don't leave parts of destination uninitialized
> >
> > copy the corresponding pieces of
On Tue, May 26, 2020 at 11:38:17PM +0100, Al Viro wrote:
> Folks, could you test the following?
>
> copy_xstate_to_kernel(): don't leave parts of destination uninitialized
>
> copy the corresponding pieces of init_fpstate into the gaps instead.
>
> Signed-off-by: Al Viro
Am I taking this
On Wed, May 27, 2020 at 12:38 AM Al Viro wrote:
>
> On Mon, May 25, 2020 at 12:45:35AM +0100, Al Viro wrote:
> > On Wed, May 13, 2020 at 04:33:49AM +0100, Al Viro wrote:
> >
> > > FWIW, what I'm going to do is
> > > * make all callers of copy_regset_to_user() pass 0 as pos
> > > (there are
On Mon, May 25, 2020 at 12:45:35AM +0100, Al Viro wrote:
> On Wed, May 13, 2020 at 04:33:49AM +0100, Al Viro wrote:
>
> > FWIW, what I'm going to do is
> > * make all callers of copy_regset_to_user() pass 0 as pos
> > (there are very few exceptions - one on arm64, three on sparc32
> > and
On Wed, May 13, 2020 at 04:33:49AM +0100, Al Viro wrote:
> FWIW, what I'm going to do is
> * make all callers of copy_regset_to_user() pass 0 as pos
> (there are very few exceptions - one on arm64, three on sparc32
> and five on sparc64; I hadn't dealt with arm64 one yet, but all
> cases on
On Tue, May 12, 2020 at 10:20:21AM +0200, Alexander Potapenko wrote:
> On Tue, May 12, 2020 at 5:44 AM Al Viro wrote:
> >
> > On Tue, May 12, 2020 at 02:09:01AM +0100, Al Viro wrote:
> > > On Tue, Apr 21, 2020 at 10:14:25AM +0200, Alexander Potapenko wrote:
> > > > > Not lately and I would also
On Tue, May 12, 2020 at 02:09:01AM +0100, Al Viro wrote:
> On Tue, Apr 21, 2020 at 10:14:25AM +0200, Alexander Potapenko wrote:
> > > Not lately and I would also like to hear the details; which regset it is?
> > > Should be reasonably easy to find - just memset() the damn thing to
> > > something
On Tue, Apr 21, 2020 at 10:14:25AM +0200, Alexander Potapenko wrote:
> > Not lately and I would also like to hear the details; which regset it is?
> > Should be reasonably easy to find - just memset() the damn thing to
> > something
> > recognizable, do whatever triggers that KMSAN report and
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