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=unavailable 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 AD068C433E0 for ; Thu, 4 Feb 2021 02:39:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 678BC64D79 for ; Thu, 4 Feb 2021 02:39:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234198AbhBDCjX (ORCPT ); Wed, 3 Feb 2021 21:39:23 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:60664 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234619AbhBDCjK (ORCPT ); Wed, 3 Feb 2021 21:39:10 -0500 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 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org 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 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=-11.1 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 EB9F8C433E0 for ; Thu, 4 Feb 2021 09:15:08 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7784F64F58 for ; Thu, 4 Feb 2021 09:15:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7784F64F58 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=dm-devel-bounces@redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1612430107; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=T5BSntafLWA2o5mmbumiZ6q0ovodSV1NZsP4RA87KHg=; b=WN5foC0zzP2LYnNkZcF2NvNrRA4ujNOZek1NLJSm+pLlP8wq1lag9Cw7jR4ZeEH32ThTNC +AVRfsH+S5e8A7j/mIy9r9Zi8lI6AVC8h7S5/OJhkeqDYJLFi0syhAdwBoKsE3qnZw/SJS OqVnIg8Xr2SnkUf+e3If8uBiIRMhsFY= 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-451-Vz17cz7aO5e9y3UWCe9D0g-1; Thu, 04 Feb 2021 04:15:03 -0500 X-MC-Unique: Vz17cz7aO5e9y3UWCe9D0g-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A9CAD80402C; Thu, 4 Feb 2021 09:14:58 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8CFBB5D9C0; Thu, 4 Feb 2021 09:14:58 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 5D8781809C91; Thu, 4 Feb 2021 09:14:58 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 1142bZ6x024991 for ; Wed, 3 Feb 2021 21:37:35 -0500 Received: by smtp.corp.redhat.com (Postfix) id DC0F15B698; 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 Message-ID: <20210204023719.sbwh7o7un7j2zgkd@treble> References: <20210203190518.nlwghesq75enas6n@treble> <20210203232735.nw73kugja56jp4ls@treble> <20210204001700.ry6dpqvavcswyvy7@treble> MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-loop: dm-devel@redhat.com X-Mailman-Approved-At: Thu, 04 Feb 2021 04:14:38 -0500 Cc: Song Liu , Mike Snitzer , Peter Zijlstra , Ignat Korchagin , Alexei Starovoitov , linux-mm@kvack.org, dm-devel@redhat.com, Alexander Potapenko , "H. Peter Anvin" , "Joel Fernandes \(Google\)" , Miroslav Benes , Jiri Slaby , Alasdair Kergon , Daniel Borkmann , kernel-team , Hailong liu , x86@kernel.org, John Fastabend , kasan-dev@googlegroups.com, Alexey Kardashevskiy , Ingo Molnar , Andrey Ryabinin , Andrii Nakryiko , Robert Richter , "Steven Rostedt \(VMware\)" , Borislav Petkov , Yonghong Song , KP Singh , Thomas Gleixner , bpf@vger.kernel.org, Dmitry Vyukov , Julien Thierry , Linux Kernel Network Developers , linux-kernel , Mathieu Desnoyers , Andrew Morton , Martin KaFai Lau Subject: Re: [dm-devel] BUG: KASAN: stack-out-of-bounds in unwind_next_frame+0x1df5/0x2650 X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel