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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/security/keys/dh.c
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@@ -1,11 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /* Crypto operations using stored keys
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  *
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  * Copyright (c) 2016, Intel Corporation
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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  */
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 #include <linux/slab.h>
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@@ -62,9 +58,9 @@
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 static void dh_free_data(struct dh *dh)
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 {
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-	kzfree(dh->key);
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-	kzfree(dh->p);
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-	kzfree(dh->g);
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+	kfree_sensitive(dh->key);
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+	kfree_sensitive(dh->p);
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+	kfree_sensitive(dh->g);
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 }
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 struct dh_completion {
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@@ -112,7 +108,6 @@
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 	if (!sdesc)
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 		goto out_free_tfm;
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 	sdesc->shash.tfm = tfm;
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-	sdesc->shash.flags = 0x0;
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 	*sdesc_ret = sdesc;
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@@ -131,7 +126,7 @@
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 	if (sdesc->shash.tfm)
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 		crypto_free_shash(sdesc->shash.tfm);
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-	kzfree(sdesc);
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+	kfree_sensitive(sdesc);
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 }
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 /*
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@@ -225,7 +220,7 @@
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 		ret = -EFAULT;
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 err:
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-	kzfree(outbuf);
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+	kfree_sensitive(outbuf);
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 	return ret;
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 }
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@@ -400,11 +395,11 @@
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 out6:
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 	kpp_request_free(req);
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 out5:
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-	kzfree(outbuf);
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+	kfree_sensitive(outbuf);
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 out4:
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 	crypto_free_kpp(tfm);
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 out3:
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-	kzfree(secret);
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+	kfree_sensitive(secret);
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 out2:
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 	dh_free_data(&dh_inputs);
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 out1: