Re: [PATCH] iov_iter: fix the uaccess area in copy_compat_iovec_from_user

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH] iov_iter: fix the uaccess area in copy_compat_iovec_from_user
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Sat, 16 Jan 2021 04:11:40 +0000
Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, David Laight <David.Laight@xxxxxxxxxx>
In-reply-to: <20210112081905.1736581-1-hch@lst.de>

On Tue, Jan 12, 2021 at 09:19:05AM +0100, Christoph Hellwig wrote:
> sizeof needs to be called on the compat pointer, not the native one.

in #fixes and #for-next now...

References:
- [PATCH] iov_iter: fix the uaccess area in copy_compat_iovec_from_user
  - From: Christoph Hellwig

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