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=-11.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, 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 D4F41C433E9 for ; Thu, 4 Feb 2021 02:37:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 6B11D64E38 for ; Thu, 4 Feb 2021 02:37:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6B11D64E38 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id D8A256B0005; Wed, 3 Feb 2021 21:37:45 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D3B476B006C; Wed, 3 Feb 2021 21:37:45 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C292E6B006E; Wed, 3 Feb 2021 21:37:45 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0079.hostedemail.com [216.40.44.79]) by kanga.kvack.org (Postfix) with ESMTP id AE07D6B0005 for ; Wed, 3 Feb 2021 21:37:45 -0500 (EST) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 78E34180AD81A for ; Thu, 4 Feb 2021 02:37:45 +0000 (UTC) X-FDA: 77779024890.28.home08_4f1384c275d8 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin28.hostedemail.com (Postfix) with ESMTP id 57B086C1F for ; Thu, 4 Feb 2021 02:37:45 +0000 (UTC) X-HE-Tag: home08_4f1384c275d8 X-Filterd-Recvd-Size: 4579 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by imf25.hostedemail.com (Postfix) with ESMTP for ; Thu, 4 Feb 2021 02:37:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612406264; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=qhb2kXItW2mHNSz2e91apSBwbAib3godlZyK9gF1DQM=; b=X+QIwRKM2xPCOeqnBAvHb7D0HYCw6hPOoZh0nAnds5vPTXyooXGBRUi2hZTv7nDkmvpG+W lUE1I0ZfBFD+38TKE/f5Xw+vy80I8+u8zU5bZBg1r8cpEL2Quoy2QUCDNCmy88CWOXGGhB JYjh5+MyqP1BUtThARddFIu5RBUw1VY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-597-OH7evkT8PvyBFzDkzbNQCA-1; Wed, 03 Feb 2021 21:37:40 -0500 X-MC-Unique: OH7evkT8PvyBFzDkzbNQCA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id DF32D801961; Thu, 4 Feb 2021 02:37:35 +0000 (UTC) Received: from treble (ovpn-113-81.rdu2.redhat.com [10.10.113.81]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 383D85B695; Thu, 4 Feb 2021 02:37:21 +0000 (UTC) Date: Wed, 3 Feb 2021 20:37:19 -0600 From: Josh Poimboeuf To: Ivan Babrou Cc: Peter Zijlstra , kernel-team , Ignat Korchagin , Hailong liu , Andrey Ryabinin , Alexander Potapenko , Dmitry Vyukov , Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Miroslav Benes , Julien Thierry , Jiri Slaby , kasan-dev@googlegroups.com, linux-mm@kvack.org, linux-kernel , Alasdair Kergon , Mike Snitzer , dm-devel@redhat.com, "Steven Rostedt (VMware)" , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , John Fastabend , KP Singh , Robert Richter , "Joel Fernandes (Google)" , Mathieu Desnoyers , Linux Kernel Network Developers , bpf@vger.kernel.org, Alexey Kardashevskiy Subject: Re: BUG: KASAN: stack-out-of-bounds in unwind_next_frame+0x1df5/0x2650 Message-ID: <20210204023719.sbwh7o7un7j2zgkd@treble> References: <20210203190518.nlwghesq75enas6n@treble> <20210203232735.nw73kugja56jp4ls@treble> <20210204001700.ry6dpqvavcswyvy7@treble> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 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 Wed, Feb 03, 2021 at 04:52:42PM -0800, Ivan Babrou wrote: > We also have the following stack that doesn't touch any crypto: > > * https://gist.github.com/bobrik/40e2559add2f0b26ae39da30dc451f1e Can you also run this through decode_stacktrace.sh? Both are useful (until I submit a fix for decode_stacktrace.sh). > I cannot reproduce this one, and it took 2 days of uptime for it to > happen. Is there anything I can do to help diagnose it? Can you run with the same unwind_debug patch+cmdline when you try to recreate this one? In the meantime I'll look at the available data. -- Josh