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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id y18sm3281756pfn.177.2020.06.04.10.57.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Jun 2020 10:57:07 -0700 (PDT) Date: Thu, 4 Jun 2020 10:57:05 -0700 From: Kees Cook To: Vegard Nossum Cc: Vlastimil Babka , Christoph Lameter , Andrew Morton , Marco Elver , Waiman Long , LKML , Linux MM Subject: Re: slub freelist issue / BUG: unable to handle page fault for address: 000000003ffe0018 Message-ID: <202006041054.874AA564@keescook> References: <4dc93ff8-f86e-f4c9-ebeb-6d3153a78d03@oracle.com> <7839183d-1c0b-da02-73a2-bf5e1e8b02b9@suse.cz> <94296941-1073-913c-2adb-bf2e41be9f0f@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <94296941-1073-913c-2adb-bf2e41be9f0f@oracle.com> X-Rspamd-Queue-Id: 2E6DF10480663 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Jun 04, 2020 at 07:20:18PM +0200, Vegard Nossum wrote: > On 2020-06-04 19:18, Vlastimil Babka wrote: > > On 6/4/20 7:14 PM, Vegard Nossum wrote: > > > > > > Hi all, > > > > > > I ran into a boot problem with latest linus/master > > > (6929f71e46bdddbf1c4d67c2728648176c67c555) that manifests like this: > > > > Hi, what's the .config you use? > > Pretty much x86_64 defconfig minus a few options (PCI, USB, ...) Oh yes indeed. I immediately crash in the same way with this config. I'll start digging... (defconfig finishes boot) -Kees -- Kees Cook