From mboxrd@z Thu Jan 1 00:00:00 1970 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=-5.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 47E0AC3A5A1 for ; Mon, 19 Aug 2019 21:10:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1C5EF20578 for ; Mon, 19 Aug 2019 21:10:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=netronome-com.20150623.gappssmtp.com header.i=@netronome-com.20150623.gappssmtp.com header.b="d9zbuePb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728545AbfHSVKJ (ORCPT ); Mon, 19 Aug 2019 17:10:09 -0400 Received: from mail-qk1-f195.google.com ([209.85.222.195]:35731 "EHLO mail-qk1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728360AbfHSVKJ (ORCPT ); Mon, 19 Aug 2019 17:10:09 -0400 Received: by mail-qk1-f195.google.com with SMTP id r21so2717718qke.2 for ; Mon, 19 Aug 2019 14:10:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netronome-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :organization:mime-version:content-transfer-encoding; bh=gNko8uYZ/iSVAQkfn2DxMOBCbut/oBDTcq1NiXuMq1Q=; b=d9zbuePbVfnVj+QN/ZFdPRmQgkE8/L2bKlSBU+iTJaTACwicNRb8RIVd/OgSurHSl2 3K/wKETiXla57BE/k/VWoPOvW9Qwmho+85Q09Wu0PiiB8JyZWKVNP3QW5DFwhLAORm6E egJnME5xBnx+TAu/y0VP12DBd+NSnNJcM8buHsmNZN+WcBsPmtqbmlWSW+cf5l4apqzH /koqgZ8IbY+5QPCVkbjXl/nBdtU+GaDAWxT7CEga7brX3Oj+Di9slysot7Pki7CrZp8x FSN8caxSyLv5RXg+eHlkrdrZH169XjGnlHDJUJSZdgyZwegqUtlXXqmaCkts42Sp+d3B LV1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:organization:mime-version:content-transfer-encoding; bh=gNko8uYZ/iSVAQkfn2DxMOBCbut/oBDTcq1NiXuMq1Q=; b=rXQeXOecLBImov0Cv9MuLNNa+jYTNByVdzMlHTzVPyBbrwEh4sPMSgAMeLnvTznHTN sDRLzoGVZwTCBkEFEf624/nvaJZKt5vU1XLNWlhzaVVCm/RAb+jDLDXZmW1q8rfwHlFd xbX+xo1SpzSBlh50BwZEI9aPdjmIg4aOQx2Mrzw7Xff0yZdliBM5CzCjmaTNyz8gV6Xf NMPiVDheEdwcJ7FEB3pvfTU6mjSjqrnWoK7F1d33wrLE0uVzOp4OQJ0n8n8ySOCH7HJ3 Q2P5nSt1I2RVa3oj1RgjFF0BmsZKuynvFc3s6TleGsF/ItWhKxp1TH8IIpNvsi2ECn6P lXhw== X-Gm-Message-State: APjAAAVeQAZcfkPo+EIkcEJIsNOg/nBatRcOIB7/cRIXnKUydN7ghJFD yMfLG3KMN3gfsAOZ7n5H2BliFg== X-Google-Smtp-Source: APXvYqxbOHmZq2qLpckgNNtItEsJCIiUrNJX2RlAGSln7w+nCPcQfnCWxfv/mTB9PQZBdMUL2wpgYw== X-Received: by 2002:a37:7c02:: with SMTP id x2mr23287096qkc.298.1566249008458; Mon, 19 Aug 2019 14:10:08 -0700 (PDT) Received: from cakuba.netronome.com ([66.60.152.14]) by smtp.gmail.com with ESMTPSA id t13sm7579042qkm.117.2019.08.19.14.10.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Aug 2019 14:10:08 -0700 (PDT) Date: Mon, 19 Aug 2019 14:09:59 -0700 From: Jakub Kicinski To: syzbot Cc: ast@kernel.org, aviadye@mellanox.com, borisp@mellanox.com, bpf@vger.kernel.org, daniel@iogearbox.net, davejwatson@fb.com, davem@davemloft.net, john.fastabend@gmail.com, kafai@fb.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com, Eric Biggers , Steffen Klassert , linux-crypto@vger.kernel.org Subject: Re: INFO: task hung in tls_sw_sendmsg Message-ID: <20190819140959.72a419d8@cakuba.netronome.com> In-Reply-To: <0000000000006a71990583cd3d9c@google.com> References: <0000000000006a71990583cd3d9c@google.com> Organization: Netronome Systems, Ltd. MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 11 Mar 2019 01:20:05 -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: d9862cfb Merge tag 'mips_5.1' of git://git.kernel.org/pub/.. > git tree: net-next > console output: https://syzkaller.appspot.com/x/log.txt?x=16e9d977200000 > kernel config: https://syzkaller.appspot.com/x/.config?x=73d88a42238825ad > dashboard link: https://syzkaller.appspot.com/bug?extid=8a6df99c3b1812093b70 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > userspace arch: amd64 > > Unfortunately, I don't have any reproducer for this crash yet. > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+8a6df99c3b1812093b70@syzkaller.appspotmail.com Looks like the TLS bugs which involve pcrypt may be a pcrypt issue. There seems to be no clear explanation for these in TLS code. #syz dup: INFO: task hung in aead_recvmsg This is similar to: https://syzkaller.appspot.com/bug?id=44ae4b4fa7e6c6e92aa921d2ec20ce9fbee97939 (INFO: task hung in tls_sw_free_resources_tx)