From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oleksandr Natalenko Subject: Re: CAKE and r8169 cause panic on upload in v4.19 Date: Sat, 27 Oct 2018 17:37:58 +0200 Message-ID: <644dc057e822273fcbc538b2056908ce@natalenko.name> References: <61d09f0db41f269cc9ee13dd68a5c285@natalenko.name> <1beabdd3-dbac-de8a-07b0-d0788b1dbc38@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Cc: Dave Taht , "David S. Miller" , =?UTF-8?Q?Toke_H=C3=B8iland-J=C3=B8rgensen?= , Jamal Hadi Salim , Cong Wang , =?UTF-8?Q?Ji=C5=99=C3=AD_P=C3=ADrko?= , Linux Kernel Network Developers , linux-kernel@vger.kernel.org To: Heiner Kallweit Return-path: In-Reply-To: <1beabdd3-dbac-de8a-07b0-d0788b1dbc38@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Hi. On 27.10.2018 15:43, Heiner Kallweit wrote: > In net-next there's the following patch which mentions in the > description that it "eliminates spurious list pointer poisoning": > 992cba7e276d ("net: Add and use skb_list_del_init().") > And spurious list pointer poisoning is what we see here (IMO). > > As an idea this patch and a8305bff6852 ("net: Add and use > skb_mark_not_on_list().") > from net-next could be applied on top of 4.19. Would be curious > whether it fixes the issue. Applied both, still panics. %r12/%r15 are still poisoned too. -- Oleksandr Natalenko (post-factum)