Coverity flags an untrusted loop bound. Check length of session iv.
Coverity issue: 375802
Fixes: b063e843fa03 ("crypto/virtio: fix IV physical address")
Cc: [email protected]
Signed-off-by: Brian Dooley <[email protected]>
---
drivers/crypto/virtio/virtio_rxtx.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/crypto/virtio/virtio_rxtx.c
b/drivers/crypto/virtio/virtio_rxtx.c
index a65524a306..f3f2e75c00 100644
--- a/drivers/crypto/virtio/virtio_rxtx.c
+++ b/drivers/crypto/virtio/virtio_rxtx.c
@@ -264,6 +264,9 @@ virtqueue_crypto_sym_enqueue_xmit(
if (cop->phys_addr)
desc[idx].addr = cop->phys_addr + session->iv.offset;
else {
+ if (VIRTIO_CRYPTO_MAX_IV_SIZE < session->iv.length)
+ return -ENOMEM;
+
rte_memcpy(crypto_op_cookie->iv,
rte_crypto_op_ctod_offset(cop,
uint8_t *, session->iv.offset),
--
2.25.1
