linux-kernel - [PATCH] sunrpc: Fix RFC6803 encryption test

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Date:   Thu, 13 Apr 2023 14:51:56 +0100
From:   David Howells <dhowells@...hat.com>
To:     Chuck Lever <chuck.lever@...cle.com>
cc:     dhowells@...hat.com, Scott Mayhew <smayhew@...hat.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        linux-nfs@...r.kernel.org, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] sunrpc: Fix RFC6803 encryption test

    
The usage_data[] array in rfc6803_encrypt_case() is uninitialised, so clear
it as it may cause the tests to fail otherwise.

Fixes: b958cff6b27b ("SUNRPC: Add encryption KUnit tests for the RFC 6803 encryption types")
Link: https://lore.kernel.org/r/380323.1681314997@warthog.procyon.org.uk/
Signed-off-by: David Howells <dhowells@...hat.com>
cc: Chuck Lever <chuck.lever@...cle.com>
cc: Scott Mayhew <smayhew@...hat.com>
cc: Herbert Xu <herbert@...dor.apana.org.au>
cc: linux-nfs@...r.kernel.org
cc: linux-crypto@...r.kernel.org
---
 net/sunrpc/auth_gss/gss_krb5_test.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/net/sunrpc/auth_gss/gss_krb5_test.c b/net/sunrpc/auth_gss/gss_krb5_test.c
index ce0541e32fc9..aa6ec4e858aa 100644
--- a/net/sunrpc/auth_gss/gss_krb5_test.c
+++ b/net/sunrpc/auth_gss/gss_krb5_test.c
@@ -1327,6 +1327,7 @@ static void rfc6803_encrypt_case(struct kunit *test)
 	if (!gk5e)
 		kunit_skip(test, "Encryption type is not available");
 
+	memset(usage_data, 0, sizeof(usage_data));
 	usage.data[3] = param->constant;
 
 	Ke.len = gk5e->Ke_length;