From patchwork Tue Oct 27 13:51:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 290079 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 35DC4C55178 for ; Tue, 27 Oct 2020 14:18:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EDAE0206F7 for ; Tue, 27 Oct 2020 14:18:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603808306; bh=sIo/7h7FIC8sGsld5TmAz7NDlpLp7pCjHOFMUHYBtbc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=p63tFCyj8Jn4DMJR4w3LPz7wtenlbgOuM/fZF0WZy4ULFF97F6JmxAHSYKdgUnXa/ 1HoB5HiYwqjN3+6qj1ksbWlqs5ArrXSeEgvKbmAp6xko91AR4XJWpUahiqPXNrkLJz EIwVrmkP+YY+VUO9isallQ8KbdNoSCC30EbddvLs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2901075AbgJ0OSX (ORCPT ); Tue, 27 Oct 2020 10:18:23 -0400 Received: from mail.kernel.org ([198.145.29.99]:41862 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2901069AbgJ0OSW (ORCPT ); Tue, 27 Oct 2020 10:18:22 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D9A85207BB; Tue, 27 Oct 2020 14:18:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603808302; bh=sIo/7h7FIC8sGsld5TmAz7NDlpLp7pCjHOFMUHYBtbc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tNdEdYm2xwwO4YRk9h0MSKITClAEvrEcrPeOJ/ePBZXNSu9a/JGprcMKr2BnuSLFs H9vtptr8Zvu+k6WNdHWBCKatv/ICXPzjgVxctZiJ3UuVojaEY5wGwVedfOTUfG4UTN 4NGczN0Nf2FxRV/K0++1LAZKUUYaOxapvUDeo590= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Herbert Xu , Sasha Levin Subject: [PATCH 4.19 039/264] crypto: algif_skcipher - EBUSY on aio should be an error Date: Tue, 27 Oct 2020 14:51:37 +0100 Message-Id: <20201027135432.503013249@linuxfoundation.org> X-Mailer: git-send-email 2.29.1 In-Reply-To: <20201027135430.632029009@linuxfoundation.org> References: <20201027135430.632029009@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Herbert Xu [ Upstream commit 2a05b029c1ee045b886ebf9efef9985ca23450de ] I removed the MAY_BACKLOG flag on the aio path a while ago but the error check still incorrectly interpreted EBUSY as success. This may cause the submitter to wait for a request that will never complete. Fixes: dad419970637 ("crypto: algif_skcipher - Do not set...") Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- crypto/algif_skcipher.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c index 1cb106c46043d..9d2e9783c0d4e 100644 --- a/crypto/algif_skcipher.c +++ b/crypto/algif_skcipher.c @@ -127,7 +127,7 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg, crypto_skcipher_decrypt(&areq->cra_u.skcipher_req); /* AIO operation in progress */ - if (err == -EINPROGRESS || err == -EBUSY) + if (err == -EINPROGRESS) return -EIOCBQUEUED; sock_put(sk);