From patchwork Thu Aug 18 21:02:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 12947930 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25194C00140 for ; Thu, 18 Aug 2022 21:11:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346747AbiHRVL2 (ORCPT ); Thu, 18 Aug 2022 17:11:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35060 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346904AbiHRVKr (ORCPT ); Thu, 18 Aug 2022 17:10:47 -0400 Received: from mail.zeus03.de (www.zeus03.de [194.117.254.33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9156AD9D52 for ; Thu, 18 Aug 2022 14:05:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=sang-engineering.com; h= from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; s=k1; bh=8PwryersYJtX3ONY3Vr0vWODiKm t4mzdZHbchoWK6Ws=; b=CQXDHCDmcJGpFvbldxvm/6QuKx3jZyapMCbAIhKQOq6 udp6ftUT5Nv+n7O7jboyhiguzYpWO5ZVYmRBzjMrxlFt7+DOWR7IHsP5kAU2EOOJ P7sala8Jg2aRPsMMcPJ5A0Cybn5p37pKqhoFCZej9V6oldgSfHvdujckScso5qdc = Received: (qmail 3963416 invoked from network); 18 Aug 2022 23:02:32 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 18 Aug 2022 23:02:32 +0200 X-UD-Smtp-Session: l3s3148p1@1LrRTIrmmJoucref From: Wolfram Sang To: linux-kernel@vger.kernel.org Cc: Wolfram Sang , David Howells , Jarkko Sakkinen , Paul Moore , James Morris , "Serge E. Hallyn" , keyrings@vger.kernel.org, linux-security-module@vger.kernel.org Subject: [PATCH] security: move from strlcpy with unused retval to strscpy Date: Thu, 18 Aug 2022 23:02:31 +0200 Message-Id: <20220818210232.8707-1-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Precedence: bulk List-ID: Follow the advice of the below link and prefer 'strscpy' in this subsystem. Conversion is 1:1 because the return value is not used. Generated by a coccinelle script. Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/ Signed-off-by: Wolfram Sang Acked-by: Jarkko Sakkinen --- security/keys/request_key_auth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c index 41e9735006d0..8f33cd170e42 100644 --- a/security/keys/request_key_auth.c +++ b/security/keys/request_key_auth.c @@ -178,7 +178,7 @@ struct key *request_key_auth_new(struct key *target, const char *op, if (!rka->callout_info) goto error_free_rka; rka->callout_len = callout_len; - strlcpy(rka->op, op, sizeof(rka->op)); + strscpy(rka->op, op, sizeof(rka->op)); /* see if the calling process is already servicing the key request of * another process */