On Wed, Oct 14, 2020 at 03:51:00PM -0700, Linus Torvalds wrote:
> On Wed, Oct 14, 2020 at 3:27 PM Jason A. Donenfeld wrote:
> >
> > This patch is causing crashes in WireGuard's CI over at
> > https://www.wireguard.com/build-status/ . Apparently sending a simple
> > network packet winds up
On Wed, Oct 14, 2020 at 3:51 PM Linus Torvalds
wrote:
>
> I think it's this instruction:
>
> addir1,r1,16
>
> that should be removed from the function exit, because Al removed the
>
> - stwur1,-16(r1)
>
> on function entry.
>
> So I think you end up with a corrupt stack
On Wed, Oct 14, 2020 at 3:27 PM Jason A. Donenfeld wrote:
>
> This patch is causing crashes in WireGuard's CI over at
> https://www.wireguard.com/build-status/ . Apparently sending a simple
> network packet winds up triggering refcount_t's warn-on-saturate code. I
Ouch.
The C parts look fairly
On Thu, Oct 15, 2020 at 12:53 AM Linus Torvalds
wrote:
>
> On Wed, Oct 14, 2020 at 3:51 PM Linus Torvalds
> wrote:
> >
> > I think it's this instruction:
> >
> > addir1,r1,16
> >
> > that should be removed from the function exit, because Al removed the
> >
> > - stwu
On Thu, Oct 15, 2020 at 12:51 AM Linus Torvalds
wrote:
>
> On Wed, Oct 14, 2020 at 3:27 PM Jason A. Donenfeld wrote:
> >
> > This patch is causing crashes in WireGuard's CI over at
> > https://www.wireguard.com/build-status/ . Apparently sending a simple
> > network packet winds up triggering
Hi Al,
On Fri, Jul 24, 2020 at 02:25:46AM +0100, Al Viro wrote:
> From: Al Viro
>
> ... and get rid of the pointless fallback in the wrappers. On error it used
> to zero the unwritten area and calculate the csum of the entire thing. Not
> wanting to do it in assembler part had been very
From: Al Viro
... and get rid of the pointless fallback in the wrappers. On error it used
to zero the unwritten area and calculate the csum of the entire thing. Not
wanting to do it in assembler part had been very reasonable; doing that in
the first place, OTOH... In case of an error the
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