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=-9.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 D2487C388F9 for ; Sun, 1 Nov 2020 00:20:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 765C1208B6 for ; Sun, 1 Nov 2020 00:20:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604190007; bh=+qTqqYxoMO5bHuBOplwHGcvg8669VTvV0GbtpdXWmzY=; h=Subject:From:Date:References:In-Reply-To:To:Cc:List-ID:From; b=TelnsMlA6ngu7wfaoM0bmHsJEFvECU6a+pZE2iOqHakCNA/DfsziwHZgCciZU41Vw U9Z5cR1XRfI2+ovv7JtwDbneVsSlhJqU6K/5mRBwv+wFPmLPPsmEmAQcu1RL/IjwMG P2BrtqODLJM8Y8fiR2ZwpuQPU3HHSxhHDfTeJMYU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726123AbgKAAUG (ORCPT ); Sat, 31 Oct 2020 20:20:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:37684 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725987AbgKAAUG (ORCPT ); Sat, 31 Oct 2020 20:20:06 -0400 Content-Type: text/plain; charset="utf-8" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604190004; bh=+qTqqYxoMO5bHuBOplwHGcvg8669VTvV0GbtpdXWmzY=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=q1nCfxdZUcCZc5qHfVj6rYsCvxaf4wr5os+2VLNVJL3ZEWSzMuNbi4lB4pmYJmhfg HeoN6a+P4pvpsNrKHfC9CnkEp69Uv/7jx3tdE4t75cEY2LBr71oMGDgAdLAuUjBDNJ hmOKUEKhGfxpg0YdgRQU51FKpFrvK09pINrsKsn8= MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v3] cadence: force nonlinear buffers to be cloned From: patchwork-bot+netdevbpf@kernel.org Message-Id: <160419000464.10456.15695618042854879811.git-patchwork-notify@kernel.org> Date: Sun, 01 Nov 2020 00:20:04 +0000 References: <20201030155814.622831-1-mdeneen@saucontech.com> In-Reply-To: <20201030155814.622831-1-mdeneen@saucontech.com> To: Mark Deneen Cc: netdev@vger.kernel.org, nicolas.ferre@microchip.com, claudiu.beznea@microchip.com, krnl@doth.eu Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to netdev/net.git (refs/heads/master): On Fri, 30 Oct 2020 15:58:14 +0000 you wrote: > In my test setup, I had a SAMA5D27 device configured with ip forwarding, and > second device with usb ethernet (r8152) sending ICMP packets.  If the packet > was larger than about 220 bytes, the SAMA5 device would "oops" with the > following trace: > > kernel BUG at net/core/skbuff.c:1863! > Internal error: Oops - BUG: 0 [#1] ARM > Modules linked in: xt_MASQUERADE ppp_async ppp_generic slhc iptable_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 can_raw can bridge stp llc ipt_REJECT nf_reject_ipv4 sd_mod cdc_ether usbnet usb_storage r8152 scsi_mod mii o > ption usb_wwan usbserial micrel macb at91_sama5d2_adc phylink gpio_sama5d2_piobu m_can_platform m_can industrialio_triggered_buffer kfifo_buf of_mdio can_dev fixed_phy sdhci_of_at91 sdhci_pltfm libphy sdhci mmc_core ohci_at91 ehci_atmel o > hci_hcd iio_rescale industrialio sch_fq_codel spidev prox2_hal(O) > CPU: 0 PID: 0 Comm: swapper Tainted: G           O      5.9.1-prox2+ #1 > Hardware name: Atmel SAMA5 > PC is at skb_put+0x3c/0x50 > LR is at macb_start_xmit+0x134/0xad0 [macb] > pc : []    lr : []    psr: 20070113 > sp : c0d01a60  ip : c07232c0  fp : c4250000 > r10: c0d03cc8  r9 : 00000000  r8 : c0d038c0 > r7 : 00000000  r6 : 00000008  r5 : c59b66c0  r4 : 0000002a > r3 : 8f659eff  r2 : c59e9eea  r1 : 00000001  r0 : c59b66c0 > Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none > Control: 10c53c7d  Table: 2640c059  DAC: 00000051 > Process swapper (pid: 0, stack limit = 0x75002d81) > > [...] Here is the summary with links: - [net,v3] cadence: force nonlinear buffers to be cloned https://git.kernel.org/netdev/net/c/403dc16796f5 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html