From: Herbert Xu herbert@gondor.apana.org.au
[ 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 Signed-off-by: Yang Yingliang yangyingliang@huawei.com --- crypto/pcrypt.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index a5718c0..1348541 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -505,11 +505,12 @@ static int __init pcrypt_init(void)
static void __exit pcrypt_exit(void) { + crypto_unregister_template(&pcrypt_tmpl); + pcrypt_fini_padata(&pencrypt); pcrypt_fini_padata(&pdecrypt);
kset_unregister(pcrypt_kset); - crypto_unregister_template(&pcrypt_tmpl); }
module_init(pcrypt_init);