add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/crypto/xts.c
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@@ -203,12 +203,12 @@
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 	if (!err) {
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 		struct xts_request_ctx *rctx = skcipher_request_ctx(req);
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-		rctx->subreq.base.flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
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+		rctx->subreq.base.flags &= CRYPTO_TFM_REQ_MAY_BACKLOG;
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 		err = xts_xor_tweak_post(req, true);
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 		if (!err && unlikely(req->cryptlen % XTS_BLOCK_SIZE)) {
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 			err = xts_cts_final(req, crypto_skcipher_encrypt);
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-			if (err == -EINPROGRESS)
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+			if (err == -EINPROGRESS || err == -EBUSY)
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 				return;
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 		}
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 	}
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@@ -223,12 +223,12 @@
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 	if (!err) {
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 		struct xts_request_ctx *rctx = skcipher_request_ctx(req);
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-		rctx->subreq.base.flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
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+		rctx->subreq.base.flags &= CRYPTO_TFM_REQ_MAY_BACKLOG;
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 		err = xts_xor_tweak_post(req, false);
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 		if (!err && unlikely(req->cryptlen % XTS_BLOCK_SIZE)) {
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 			err = xts_cts_final(req, crypto_skcipher_decrypt);
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-			if (err == -EINPROGRESS)
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+			if (err == -EINPROGRESS || err == -EBUSY)
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 				return;
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 		}
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 	}
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@@ -396,10 +396,10 @@
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 	 * cipher name.
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 	 */
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 	if (!strncmp(cipher_name, "ecb(", 4)) {
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-		unsigned len;
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+		int len;
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-		len = strlcpy(ctx->name, cipher_name + 4, sizeof(ctx->name));
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-		if (len < 2 || len >= sizeof(ctx->name))
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+		len = strscpy(ctx->name, cipher_name + 4, sizeof(ctx->name));
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+		if (len < 2)
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 			goto err_free_inst;
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 		if (ctx->name[len - 1] != ')')