* [PATCH 1/2] crypto: Update cleanup path to use kfree_sensitive()
@ 2026-07-19 10:07 unassigned
2026-07-20 0:13 ` Herbert Xu
0 siblings, 1 reply; 2+ messages in thread
From: unassigned @ 2026-07-19 10:07 UTC (permalink / raw)
To: herbert, davem; +Cc: linux-crypto, linux-kernel, 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
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