Re: [PATCH] crypto: af_alg - Decrement struct key.usage in alg_set_by_key_serial()

From: Herbert Xu
Date: Fri Aug 11 2023 - 07:29:30 EST


On Tue, Aug 01, 2023 at 08:57:09AM -0500, Frederick Lawler wrote:
> Calls to lookup_user_key() require a corresponding key_put() to
> decrement the usage counter. Once it reaches zero, we schedule key GC.
> Therefore decrement struct key.usage in alg_set_by_key_serial().
>
> Fixes: 7984ceb134bf ("crypto: af_alg - Support symmetric encryption via keyring keys")
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Frederick Lawler <fred@xxxxxxxxxxxxxx>
> ---
> This is rebased ontop of Linus's 6.5-rc1. Original patch was introduced in 6.2.
> ---
> crypto/af_alg.c | 3 +++
> 1 file changed, 3 insertions(+)

Patch applied. Thanks.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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