linux-kernel - Re: [PATCH] f2fs: fix use-after-free when accessing bio->bi_crypt

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Message-ID: <20200616013622.GC2916@codeaurora.org>
Date:   Tue, 16 Jun 2020 07:06:22 +0530
From:   Sahitya Tummala <stummala@...eaurora.org>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     Satya Tangirala <satyat@...gle.com>,
        Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <yuchao0@...wei.com>,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, stummala@...eaurora.org
Subject: Re: [PATCH] f2fs: fix use-after-free when accessing
 bio->bi_crypt_context

On Mon, Jun 15, 2020 at 08:47:20AM -0700, Eric Biggers wrote:
> 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.

Sure, no concerns from my side. It can be merged into the original series.

Thanks,

> 
> - Eric

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