Re: [PATCH 2/4] crypto: drbg wait for crypto op not signal safe

[Herbert Xu]

On Thu, May 11, 2017 at 02:53:43PM +0300, Gilad Ben-Yossef wrote:
> drbg_kcapi_sym_ctr() was using wait_for_completion_interruptible() to
> wait for completion of async crypto op but if a signal occurs it
> may return before DMA ops of HW crypto provider finish, thus
> corrupting the output buffer.
> 
> Resolve this by using wait_for_completion() instead.
> 
> Reported-by: Eric Biggers <ebiggers3@xxxxxxxxx>
> Signed-off-by: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx>
> CC: stable@xxxxxxxxxxxxxxx

This patch doesn't even compile.  Please test your work first.

Thanks,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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