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

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@vger.kernel.org Signed-off-by: Frederick Lawler fred@cloudflare.com

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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.