Re: [PATCH] crypto: skcipher - add might_sleep() to skcipher_walk_virt()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat, Dec 15, 2018 at 12:41:53PM -0800, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
> 
> skcipher_walk_virt() can still sleep even with atomic=true, since that
> only affects the later calls to skcipher_walk_done().  But,
> skcipher_walk_virt() only has to allocate memory for some input data
> layouts, so incorrectly calling it with preemption disabled can go
> undetected.  Use might_sleep() so that it's detected reliably.
> 
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
> ---
>  crypto/skcipher.c | 2 ++
>  1 file changed, 2 insertions(+)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt



[Index of Archives]     [Kernel]     [Gnu Classpath]     [Gnu Crypto]     [DM Crypt]     [Netfilter]     [Bugtraq]

  Powered by Linux