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=-4.0 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 1DBF6C433E0 for ; Wed, 12 Aug 2020 01:07:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 022CB2076C for ; Wed, 12 Aug 2020 01:07:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726422AbgHLBHG (ORCPT ); Tue, 11 Aug 2020 21:07:06 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:51940 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726368AbgHLBHG (ORCPT ); Tue, 11 Aug 2020 21:07:06 -0400 Received: by mail-io1-f70.google.com with SMTP id p12so444749iom.18 for ; Tue, 11 Aug 2020 18:07:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=X3NiX6nVSgp11EpijWT3pX7H1MOgqhCnBt3mOeEwKPI=; b=THyUIxlF6alZ3nH0jd58+mGcthc22wZxRiyk+676VTjL7k0kQfgpBoxgdGsq+MU8KE cnLtevXZB3Qb6Z9jAQmLhO44h7sVhNx7GcBeZLROis6xPMwzp7eByPhiMem+TFeheMhz 0nlioiIlTAGNClJ1q6XvVh/I/223yfToljAJa0xKfvrBptcdEvX3uYWUeoTOjIPQYhir A2bq8FiNuP9hXRqIzqn4nocbVhQiaIWkOa6tSYH4FqtuTEFO5FKngLVF8v4HbEjUWE+K FweLa93shnkY/uUE2iDE8x7hGD+pSqSpFejkwvbWgl9GzQvJ/eZCHyalQSPCDoliL4Cx hL3A== X-Gm-Message-State: AOAM533sY6odWVzRh25a5ijQt++cJy8RAk4yC2sZhEOWhbKB8p0S+Pju x/5DA2WvDdYY5Pw5MVpfq863QNJgtS0Fmpe9MIRhOYDr6+4X X-Google-Smtp-Source: ABdhPJzflhizS6nniBWRSpW8mHijAZdmSAeiEp/VNDrTlrQJdIKYs08rqIEDvlb4OOzwu63y0W80MTCFDtmUkUL4JXTKE6e0ZT1S MIME-Version: 1.0 X-Received: by 2002:a92:bbc6:: with SMTP id x67mr26231257ilk.235.1597194425363; Tue, 11 Aug 2020 18:07:05 -0700 (PDT) Date: Tue, 11 Aug 2020 18:07:05 -0700 In-Reply-To: <000000000000b6b450059870d703@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005c72d405aca3ce17@google.com> Subject: Re: KASAN: global-out-of-bounds Read in precalculate_color From: syzbot To: a.darwish@linutronix.de, akpm@linux-foundation.org, bsegall@google.com, changbin.du@intel.com, clang-built-linux@googlegroups.com, davem@davemloft.net, dietmar.eggemann@arm.com, dvyukov@google.com, elver@google.com, ericvh@gmail.com, hverkuil-cisco@xs4all.nl, jpa@git.mail.kapsi.fi, juri.lelli@redhat.com, kasan-dev@googlegroups.com, keescook@chromium.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-sparse@vger.kernel.org, luc.vanoostenryck@gmail.com, lucho@ionkov.net, mark.rutland@arm.com, masahiroy@kernel.org, mchehab@kernel.org, mgorman@suse.de, mhiramat@kernel.org, michal.lkml@markovi.net, miguel.ojeda.sandonis@gmail.com, mingo@redhat.com, netdev@vger.kernel.org, paulmck@kernel.org, peterz@infradead.org, rminnich@sandia.gov, rostedt@goodmis.org, rppt@kernel.org, samitolvanen@google.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, v9fs-developer@lists.sourceforge.net, vincent.guittot@linaro.org, viro@zeniv.linux.org.uk, vivek.kasireddy@intel.com, will@kernel.org, yepeilin.cs@gmail.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kbuild-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org syzbot suspects this issue was fixed by commit: commit dfd402a4c4baae42398ce9180ff424d589b8bffc Author: Marco Elver Date: Thu Nov 14 18:02:54 2019 +0000 kcsan: Add Kernel Concurrency Sanitizer infrastructure bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13eb65d6900000 start commit: 46cf053e Linux 5.5-rc3 git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=ed9d672709340e35 dashboard link: https://syzkaller.appspot.com/bug?extid=02d9172bf4c43104cd70 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=147e5ac1e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14b49e71e00000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: kcsan: Add Kernel Concurrency Sanitizer infrastructure For information about bisection process see: https://goo.gl/tpsmEJ#bisection