From 93a786612ec17d0146d05b71dbf5931b6ee04400 Mon Sep 17 00:00:00 2001
From: CKI Backport Bot <cki-ci-bot+cki-gitlab-backport-bot@redhat.com>
Date: Fri, 24 Apr 2026 14:07:14 +0000
Subject: [PATCH] crypto: tegra - Disable softirqs before finalizing request

JIRA: https://redhat.atlassian.net/browse/RHEL-159000

commit 2aeec9af775fb53aa086419b953302c6f4ad4984
Author: Herbert Xu <herbert@gondor.apana.org.au>
Date:   Tue Mar 10 18:28:29 2026 +0900

    crypto: tegra - Disable softirqs before finalizing request

    Softirqs must be disabled when calling the finalization fucntion on
    a request.

    Reported-by: Guangwu Zhang <guazhang@redhat.com>
    Fixes: 0880bb3b00c8 ("crypto: tegra - Add Tegra Security Engine driver")
    Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Signed-off-by: CKI Backport Bot <cki-ci-bot+cki-gitlab-backport-bot@redhat.com>

diff --git a/drivers/crypto/tegra/tegra-se-aes.c b/drivers/crypto/tegra/tegra-se-aes.c
index 0e07d0523291..8b91f00b9c31 100644
--- a/drivers/crypto/tegra/tegra-se-aes.c
+++ b/drivers/crypto/tegra/tegra-se-aes.c
@@ -4,6 +4,7 @@
  * Crypto driver to handle block cipher algorithms using NVIDIA Security Engine.
  */
 
+#include <linux/bottom_half.h>
 #include <linux/clk.h>
 #include <linux/dma-mapping.h>
 #include <linux/module.h>
@@ -333,7 +334,9 @@ static int tegra_aes_do_one_req(struct crypto_engine *engine, void *areq)
 		tegra_key_invalidate_reserved(ctx->se, key2_id, ctx->alg);
 
 out_finalize:
+	local_bh_disable();
 	crypto_finalize_skcipher_request(se->engine, req, ret);
+	local_bh_enable();
 
 	return 0;
 }
@@ -1261,7 +1264,9 @@ static int tegra_ccm_do_one_req(struct crypto_engine *engine, void *areq)
 		tegra_key_invalidate_reserved(ctx->se, rctx->key_id, ctx->alg);
 
 out_finalize:
+	local_bh_disable();
 	crypto_finalize_aead_request(ctx->se->engine, req, ret);
+	local_bh_enable();
 
 	return 0;
 }
@@ -1347,7 +1352,9 @@ static int tegra_gcm_do_one_req(struct crypto_engine *engine, void *areq)
 		tegra_key_invalidate_reserved(ctx->se, rctx->key_id, ctx->alg);
 
 out_finalize:
+	local_bh_disable();
 	crypto_finalize_aead_request(ctx->se->engine, req, ret);
+	local_bh_enable();
 
 	return 0;
 }
@@ -1745,7 +1752,9 @@ static int tegra_cmac_do_one_req(struct crypto_engine *engine, void *areq)
 	if (tegra_key_is_reserved(rctx->key_id))
 		tegra_key_invalidate_reserved(ctx->se, rctx->key_id, ctx->alg);
 
+	local_bh_disable();
 	crypto_finalize_hash_request(se->engine, req, ret);
+	local_bh_enable();
 
 	return 0;
 }
diff --git a/drivers/crypto/tegra/tegra-se-hash.c b/drivers/crypto/tegra/tegra-se-hash.c
index 42d007b7af45..90bf34eb3578 100644
--- a/drivers/crypto/tegra/tegra-se-hash.c
+++ b/drivers/crypto/tegra/tegra-se-hash.c
@@ -4,6 +4,7 @@
  * Crypto driver to handle HASH algorithms using NVIDIA Security Engine.
  */
 
+#include <linux/bottom_half.h>
 #include <linux/clk.h>
 #include <linux/dma-mapping.h>
 #include <linux/module.h>
@@ -543,7 +544,9 @@ static int tegra_sha_do_one_req(struct crypto_engine *engine, void *areq)
 	}
 
 out:
+	local_bh_disable();
 	crypto_finalize_hash_request(se->engine, req, ret);
+	local_bh_enable();
 
 	return 0;
 }
-- 
2.50.1 (Apple Git-155)