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[2620:137:e000::1:20]) by mx.google.com with ESMTP id r11-20020a635d0b000000b0054f93b05b51si2286400pgb.96.2023.07.06.13.53.48; Thu, 06 Jul 2023 13:54:07 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=RxhYD7px; spf=pass (google.com: domain of linux-crypto-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-crypto-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229694AbjGFUxX (ORCPT + 99 others); Thu, 6 Jul 2023 16:53:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41632 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229527AbjGFUxX (ORCPT ); Thu, 6 Jul 2023 16:53:23 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D34831999 for ; Thu, 6 Jul 2023 13:53:21 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 58002612E4 for ; Thu, 6 Jul 2023 20:53:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30CCFC433C8; Thu, 6 Jul 2023 20:53:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1688676800; bh=qcAxweDPq39L5npJuVAnsu8iW7yg61iPw5U4c+tnzj0=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=RxhYD7pxdvhLtmloT+u6LMKjgIUU7dIx+enmhalOc81qCOo5Hz+4RFuthAvsWT1E/ kUAaMR1lMiSRs55uVmSEfHeFa1pyjfPj1VX9JW75rfa5S/zqB0IR8lSzNLOfLvuqtD 69BwaJGpiUsYnvYvR2gr927E8ecpHIzkYAtXM2uHPN1UfX/LfdCWGQSvbfEGlDW35Y 3arIn7vx0GBRTFMZLsRCJD8zt2E/K9djoL8PxeHasRyE3w1jtWajQHE58oeRqGHwNY Z79b6DhSbc4+1a7S+tnd21wWND84yk1TfOkaODFn4k4vqqVg4mFApB2XmxMx1sqCrP WHbxLFg/M1Urg== Date: Thu, 6 Jul 2023 13:53:19 -0700 From: Jakub Kicinski To: Tetsuo Handa Cc: Ard Biesheuvel , Alexander Potapenko , Boris Pismenny , John Fastabend , herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org, syzkaller-bugs@googlegroups.com, syzbot , Eric Biggers , Aviad Yehezkel , Daniel Borkmann , netdev@vger.kernel.org, "David S. Miller" , Eric Dumazet , Paolo Abeni Subject: Re: [PATCH] net: tls: enable __GFP_ZERO upon tls_init() Message-ID: <20230706135319.66d3cb78@kernel.org> In-Reply-To: <35970e3b-8142-8e00-c12a-da8c6925c12c@I-love.SAKURA.ne.jp> References: <0000000000008a7ae505aef61db1@google.com> <20200911170150.GA889@sol.localdomain> <59e1d5c0-aedb-7b5b-f37f-0c20185d7e9b@I-love.SAKURA.ne.jp> <8c989395-0f20-a957-6611-8a356badcf3c@I-love.SAKURA.ne.jp> <35970e3b-8142-8e00-c12a-da8c6925c12c@I-love.SAKURA.ne.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On Tue, 4 Jul 2023 22:32:00 +0900 Tetsuo Handa wrote: > I found a simplified reproducer. > This problem happens when splice() and sendmsg() run in parallel. Could you retry with the upstream (tip of Linus's tree) and see if it still repros? I tried to get a KMSAN kernel to boot on QEMU but it the kernel doesn't want to start, no idea what's going on :(