Doing ipsec produces a spinlock recursion warning.
This is due to not disabling BH during crypto completion function.
Fixes: 59ca6c93387d3 ("virtio-crypto: implement RSA algorithm")
Reported-by: Halil Pasic <pa...@linux.ibm.com>
Signed-off-by: Gonglei <arei.gong...@huawei.com>
---
drivers/crypto/virtio/virtio_crypto_akcipher_algs.c | 3 ++-
drivers/crypto/virtio/virtio_crypto_skcipher_algs.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
b/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
index 2621ff8a9376..19e2898977d3 100644
--- a/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
+++ b/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
@@ -61,8 +61,9 @@ static void virtio_crypto_akcipher_finalize_req(
vc_akcipher_req->src_buf = NULL;
vc_akcipher_req->dst_buf = NULL;
virtcrypto_clear_request(&vc_akcipher_req->base);
-
+ local_bh_disable();
crypto_finalize_akcipher_request(vc_akcipher_req->base.dataq->engine,
req, err);
+ local_bh_enable();
}
static void virtio_crypto_dataq_akcipher_callback(struct virtio_crypto_request
*vc_req, int len)
diff --git a/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
b/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
index 23c41d87d835..661c1102583e 100644
--- a/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
+++ b/drivers/crypto/virtio/virtio_crypto_skcipher_algs.c
@@ -566,9 +566,10 @@ static void virtio_crypto_skcipher_finalize_req(
AES_BLOCK_SIZE, 0);
kfree_sensitive(vc_sym_req->iv);
virtcrypto_clear_request(&vc_sym_req->base);
-
+ local_bh_disable();
crypto_finalize_skcipher_request(vc_sym_req->base.dataq->engine,
req, err);
+ local_bh_enable();
}
static struct virtio_crypto_algo virtio_crypto_algs[] = { {
--
2.23.0
_______________________________________________
Virtualization mailing list
Virtualization@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/virtualization
