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SubjectRe: [PATCH][V2] RDMA/nes: do not leak uninitialized resp.reserved to userspace Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit
On Mon, Sep 04, 2017 at 02:37:05PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> resp.reserved has not been initialized and so the copy_to_user (via
> ib_copy_to_udata) is copying uninitialized data from the stack back
> to user space which is a potential information leak. Fix this by
> initializing all of resp to zero.
>
> V2: Initialize all of the struct rather than just resp.reserved as
> suggested by Leon Romanovsky.

Small nitpick, it is better to put changelog under "---" marker, so
it won't be visible in the git log.

Thanks
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
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