Re: [PATCH] f2fs: fix use-after-free when accessing bio->bi_crypt_context

From: Eric Biggers
Date: Mon Jun 15 2020 - 11:47:23 EST


On Mon, Jun 15, 2020 at 03:23:16PM +0530, Sahitya Tummala wrote:
> >
> > Should I fold this change into the original patch? Or keep it as a
> > separate patch when I send out the fscrypt/f2fs inline encryption
> > patches?
>
> It may be good to keep it seperate as we already have the base FBE patches in
> several downstream kernels, so this fix can be applied easily. But I will
> leave it up to you to take a call on this.
>

We should fold it in because the patch this fixes isn't applied upstream yet.

We'll need to submit this as a separate fix to the Android common kernels
because they already have a previous version of the inline encryption patchset.
(I assume that's where you have the code from.) But that doesn't affect what we
do upstream.

- Eric