[PATCH 1/2] crypto: Update cleanup path to use kfree_sensitive()

[PATCH 1/2] crypto: Update cleanup path to use kfree_sensitive()

[unassigned]

---
 drivers/crypto/xilinx/zynqmp-aes-gcm.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/crypto/xilinx/zynqmp-aes-gcm.c b/drivers/crypto/xilinx/zynqmp-aes-gcm.c
index d54c268dfe34..551726aac806 100644
--- a/drivers/crypto/xilinx/zynqmp-aes-gcm.c
+++ b/drivers/crypto/xilinx/zynqmp-aes-gcm.c
@@ -230,10 +230,8 @@ static int zynqmp_aes_aead_cipher(struct aead_request *req)
 	}
 
 freemem:
-	memzero_explicit(kbuf, dma_size);
-	kfree(kbuf);
-	memzero_explicit(dmabuf, sizeof(struct zynqmp_aead_hw_req) + GCM_AES_IV_SIZE);
-	kfree(dmabuf);
+	kfree_sensitive(kbuf);
+	kfree_sensitive(dmabuf);
 
 	return ret;
 }
@@ -364,11 +362,9 @@ static int versal_aes_aead_cipher(struct aead_request *req)
 	if (unlikely(dma_addr_hw_req))
 		dma_unmap_single(dev, dma_addr_hw_req, dmabuf_size, DMA_BIDIRECTIONAL);
 buf2_free:
-	memzero_explicit(dmabuf, dmabuf_size);
-	kfree(dmabuf);
+	kfree_sensitive(dmabuf);
 buf1_free:
-	memzero_explicit(kbuf, kbuf_size);
-	kfree(kbuf);
+	kfree_sensitive(kbuf);
 err:
 	return ret;
 }
-- 
2.47.3

Re: [PATCH 1/2] crypto: Update cleanup path to use kfree_sensitive()

[Herbert Xu]

On Sun, Jul 19, 2026 at 11:07:50AM +0100, unassigned wrote:
> ---
>  drivers/crypto/xilinx/zynqmp-aes-gcm.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)

Please read Documentation/process/submitting-patches.rst and
follow the instructions.

Thanks,
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt