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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 365A8C433E6 for ; Wed, 3 Feb 2021 16:47:25 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id AEF3364F7E for ; Wed, 3 Feb 2021 16:47:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AEF3364F7E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C90CD6B0005; Wed, 3 Feb 2021 11:47:23 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C41286B006E; Wed, 3 Feb 2021 11:47:23 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B31856B0070; Wed, 3 Feb 2021 11:47:23 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0225.hostedemail.com [216.40.44.225]) by kanga.kvack.org (Postfix) with ESMTP id 9CCD36B0005 for ; Wed, 3 Feb 2021 11:47:23 -0500 (EST) Received: from smtpin23.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 69B14181AEF07 for ; Wed, 3 Feb 2021 16:47:23 +0000 (UTC) X-FDA: 77777537166.23.bit52_480a49c275d5 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin23.hostedemail.com (Postfix) with ESMTP id 494AA37604 for ; Wed, 3 Feb 2021 16:47:23 +0000 (UTC) X-HE-Tag: bit52_480a49c275d5 X-Filterd-Recvd-Size: 4531 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf38.hostedemail.com (Postfix) with ESMTP for ; Wed, 3 Feb 2021 16:47:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=FXQrxdNgWCg9t/vLa4D9ZuZRDMCP+8XGxw4US1HhTog=; b=c/OoSJg12hg6TA08ZMmxC5U9K6 OCpV83Oj8NGNClORnhfhbI+dp8Rp3puLSaw1gWZH10ZU8jjt1xRn2fku8g6kCldtIewKCeiEzQpHa FIkmhWmSoPI9iLIVqaoiCBF07qtkda4NJTYCHHF+NHpyMELJEKAw+NmkVRr26TUDkT/M+kbutGnkg sDM2tIeXHKQfOib1zfHstjrnNZ0GKFSLvvOTiCu6Z73ngCe1kPW+PXeFusDNYZ/3DMbOoNhuUbgtB ohbMnefixVQ7LgJJcSpYv4iVSBo2H/YpoFMC9iA8Yx35EoZdMvHxrj1aORXdUHBNR3TWKvrlHqQk4 D8XtPzYA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1l7LIa-00HCKb-H6; Wed, 03 Feb 2021 16:46:38 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id A8E0F301A66; Wed, 3 Feb 2021 17:46:33 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 97C5520B4DFEB; Wed, 3 Feb 2021 17:46:33 +0100 (CET) Date: Wed, 3 Feb 2021 17:46:33 +0100 From: Peter Zijlstra To: Ivan Babrou Cc: 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" , Josh Poimboeuf , 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 Subject: Re: BUG: KASAN: stack-out-of-bounds in unwind_next_frame+0x1df5/0x2650 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Tue, Feb 02, 2021 at 07:09:44PM -0800, Ivan Babrou wrote: > On Thu, Jan 28, 2021 at 7:35 PM Ivan Babrou wrote: > > ================================================================== > > [ 128.368523][ C0] BUG: KASAN: stack-out-of-bounds in > > unwind_next_frame (arch/x86/kernel/unwind_orc.c:371 > > arch/x86/kernel/unwind_orc.c:544) > > [ 128.369744][ C0] Read of size 8 at addr ffff88802fceede0 by task > > kworker/u2:2/591 Can you pretty please not line-wrap console output? It's unreadable. > edfd9b7838ba5e47f19ad8466d0565aba5c59bf0 is the first bad commit > commit edfd9b7838ba5e47f19ad8466d0565aba5c59bf0 Not sure what tree you're on, but that's not the upstream commit. > Author: Steven Rostedt (VMware) > Date: Tue Aug 18 15:57:52 2020 +0200 > > tracepoint: Optimize using static_call() > There's a known issue with that patch, can you try: http://lkml.kernel.org/r/20210202220121.435051654@goodmis.org