tree 803be6f7768e926ab54f02206f6dbda6f650a32b
parent b631f3456ccc5fdf39b0f3d6ef0ab410f0860a58
author Herbert Xu <herbert@gondor.apana.org.au> 1574156491 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1580907943 +0000

crypto: pcrypt - Fix user-after-free on module unload

[ Upstream commit 07bfd9bdf568a38d9440c607b72342036011f727 ]

On module unload of pcrypt we must unregister the crypto algorithms
first and then tear down the padata structure.  As otherwise the
crypto algorithms are still alive and can be used while the padata
structure is being freed.

Fixes: 5068c7a883d1 ("crypto: pcrypt - Add pcrypt crypto...")
Cc: <stable@vger.kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>