[PATCH 0/2] wireguard-linux-compat: grsecurity compat patches

Jason A. Donenfeld Jason at zx2c4.com
Wed Dec 8 14:56:15 UTC 2021

On Mon, Dec 6, 2021 at 9:54 PM Mathias Krause <minipli at grsecurity.net> wrote:
> Hi Jason,
> Am 06.12.21 um 20:28 schrieb Jason A. Donenfeld:
> > On Mon, Dec 6, 2021 at 7:55 PM Jason A. Donenfeld <Jason at zx2c4.com> wrote:
> >> Nice detective work! I just loaded this up on the CI, so we'll see if
> >> this does work across the board.
> >
> > Looks like https://git.zx2c4.com/wireguard-linux-compat/commit/?id=42c931dbccf9570f10a84e282daf79f385d51623
> > is all green on https://www.wireguard.com/build-status/ in the
> > wireguard-linux-compat category. Let me know if that commit looks okay
> > to you or if you want to adjust something about it. After that, I'll
> > cut a new compat snapshot release.
> ah, you modified the original commit of mine. Yeah, that works too.
> However, I'd add the following to the commit log to account for the
> output to input operand move:
> """
> Also make 'out' an input-only operand as it is only used as such. This
> not only allows gcc to optimize its usage further, but also works around
> older gcc versions, apparently failing to handle multiple alternatives
> correctly, as in failing to initialize the 'out' operand with its input
> value.
> """

Sure, will do.


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