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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6509C433FE for ; Fri, 5 Nov 2021 05:35:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B62A561284 for ; Fri, 5 Nov 2021 05:35:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232233AbhKEFiZ (ORCPT ); Fri, 5 Nov 2021 01:38:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229620AbhKEFiX (ORCPT ); Fri, 5 Nov 2021 01:38:23 -0400 Received: from mail-ot1-x330.google.com (mail-ot1-x330.google.com [IPv6:2607:f8b0:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC9B8C061714; Thu, 4 Nov 2021 22:35:44 -0700 (PDT) Received: by mail-ot1-x330.google.com with SMTP id c2-20020a056830348200b0055a46c889a8so11584786otu.5; Thu, 04 Nov 2021 22:35:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:to:cc:from:subject:message-id:date:user-agent:mime-version :content-language:content-transfer-encoding; bh=LCuANbQ08TQDsovTPP9WH5ddv8Ij2wOI3eV0v3XKWuM=; b=Mc0+HD4ykhYt5yoBzMW27qAf8mtZXaQ9JKg32hBmHi8PF/bVabuXAjLNmgf04wAcOM JUrMFtVR7fwJR/Xd2nNXksq8ZUZQexUkcYwkm9U1e7BcW+qH0FHLtfO93lEPs13Kr/ly P0LnLR48EuZHRwi0XAoVOSQtaOZdk7GniyqGYO9xz+FPl2S8BG1tEGLnG5an/PYDVXuS HqKwGWACxVYmjJlYbJiSxobFlEDZoisjiE9hCU2m5wihf5DSODY2BgB2TZ30RtZEO5r8 aYDvlDdxShLfUwM4SjygiEVyEv0MM5w1BY7pJiXFDgxtHYXI4EBVnYSsIzGgC3TorR2n fiiQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:to:cc:from:subject:message-id:date :user-agent:mime-version:content-language:content-transfer-encoding; bh=LCuANbQ08TQDsovTPP9WH5ddv8Ij2wOI3eV0v3XKWuM=; b=sdAOU2CqQpD2AgHPLrIKxlkafWrxT4bZTn2XreToDMBVD4URmuptNHvLRH3PfzID/w 6gGqdvIXmQqXwiXvI5WacWneBv4Cp3EsVxFBA8ad8kITzT5lOZQNryQXwTpcc7iZXCrk vmv05K1fdKPjz0mVnJd4BlY57IPIO7JQjRtcCbuUJXtIYlLDjRTRQL4wE1y0XpFIL4Nh ZsHKlroyKKpJ++Wne5jv5wowudpbpfPrpwSAfk4k1UlY14FaRXYevLj3fdqFEmBhYHyi iJ9Mpr1H9Ed+wkm+dUCDLfDqlutwx1raLmqsphsTf+/R2mf1dBHgJ8RGRTt08JD6U42C 7NsA== X-Gm-Message-State: AOAM532GPZq/zWxXzAL/afwFbqnUQiIknvl1KRdKdpqmpBmS9iWbQ6Tu Y7qYSIZsR+j9A8u6kunwzgLkK1BSliA= X-Google-Smtp-Source: ABdhPJxyq8MzG2xT1PzAfx9rxcvEDviqLj3jTQ4DuheFRaEkzXwnFP+8c758fSFsC4u9x83k2m3BUQ== X-Received: by 2002:a9d:4b12:: with SMTP id q18mr13317798otf.364.1636090543662; Thu, 04 Nov 2021 22:35:43 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id j7sm2001550otn.59.2021.11.04.22.35.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 04 Nov 2021 22:35:42 -0700 (PDT) Sender: Guenter Roeck To: "linux-kernel@vger.kernel.org" , Linux Crypto Mailing List Cc: Herbert Xu From: Guenter Roeck Subject: crashes in crypto_shash_update() Message-ID: Date: Thu, 4 Nov 2021 22:35:41 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, I see the following pretty widespread crash in crypto_shash_update(). [ 1.574992] Unable to handle kernel paging request at virtual address ffffffffffffffc8 [ 1.575611] Oops [#1] [ 1.575698] Modules linked in: [ 1.575866] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 5.15.0-10159-gb8c4a6bfae4e-dirty #1 [ 1.576120] Hardware name: riscv-virtio,qemu (DT) [ 1.576281] epc : crypto_shash_update+0xa/0x2e [ 1.576437] ra : crc32c+0x2c/0x58 [ 1.576553] epc : ffffffff80358b6c ra : ffffffff80395382 sp : ffffffd00021bc00 [ 1.576760] gp : ffffffff81513898 tp : ffffffe001aa8040 t0 : ffffffe001d10568 [ 1.576966] t1 : 000000006a138faa t2 : 0000000000000000 s0 : ffffffd00021bc10 [ 1.577173] s1 : ffffffff8149e500 a0 : ffffffd00021bc10 a1 : ffffffff81077e70 [ 1.577378] a2 : 0000000000000011 a3 : 0000000000000000 a4 : ffffffffffffffb0 [ 1.577584] a5 : ffffffffffffffb0 a6 : 0000000000000000 a7 : 0000000028292846 [ 1.577797] s2 : ffffffff81077e70 s3 : ffffffff81514008 s4 : ffffffff80c004e0 [ 1.578005] s5 : ffffffff81514038 s6 : ffffffff80c10910 s7 : ffffffff80c004a0 [ 1.578212] s8 : ffffffff811669a8 s9 : 0000000000000008 s10: ffffffff80a000ac [ 1.578421] s11: 0000000000000000 t3 : 0000000000000009 t4 : 0000000042300000 [ 1.578628] t5 : 0000000000000000 t6 : ffffffe003075000 [ 1.578785] status: 0000000000000120 badaddr: ffffffffffffffc8 cause: 000000000000000d [ 1.579010] [] crypto_shash_update+0xa/0x2e [ 1.579186] [] crc32c+0x2c/0x58 [ 1.579332] [] btrfs_props_init+0x32/0x70 [ 1.579505] [] init_btrfs_fs+0x12/0x16a [ 1.579670] [] do_one_initcall+0x36/0x15e [ 1.579838] [] kernel_init_freeable+0x1a6/0x20a [ 1.580023] [] kernel_init+0x1e/0x104 [ 1.580181] [] ret_from_exception+0x0/0xc [ 1.580700] ---[ end trace 4bfa11496ef965ab ]--- The problem boils down to crypto_alloc_shash() returning -80 (-ELLIBBAD). Before I spend time analyzing this further, is anyone already looking into the problem ? Thanks, Guenter