From 1f64ff9c92e7ff0092a507841b6259cb374e1013 Mon Sep 17 00:00:00 2001 From: Haoxiang Li Date: Mon, 30 Mar 2026 11:34:02 +0800 Subject: [PATCH] crypto: ccree - fix a memory leak in cc_mac_digest() commit 02c64052fad03699b9c6d1df2f9b444d17e4ac50 upstream. Add cc_unmap_result() if cc_map_hash_request_final() fails to prevent potential memory leak. Fixes: 63893811b0fc ("crypto: ccree - add ahash support") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman Signed-off-by: Ulrich Hecht --- drivers/crypto/ccree/cc_hash.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/crypto/ccree/cc_hash.c b/drivers/crypto/ccree/cc_hash.c index 2cadd7a21844..85eaf1ceaced 100644 --- a/drivers/crypto/ccree/cc_hash.c +++ b/drivers/crypto/ccree/cc_hash.c @@ -1420,6 +1420,7 @@ static int cc_mac_digest(struct ahash_request *req) if (cc_map_hash_request_final(ctx->drvdata, state, req->src, req->nbytes, 1, flags)) { dev_err(dev, "map_ahash_request_final() failed\n"); + cc_unmap_result(dev, state, digestsize, req->result); cc_unmap_req(dev, state, ctx); return -ENOMEM; }