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 950B6C433DF for ; Wed, 12 Aug 2020 01:07:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7C71C206B5 for ; Wed, 12 Aug 2020 01:07:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726426AbgHLBHG (ORCPT ); Tue, 11 Aug 2020 21:07:06 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:52309 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726405AbgHLBHG (ORCPT ); Tue, 11 Aug 2020 21:07:06 -0400 Received: by mail-il1-f198.google.com with SMTP id z14so611881ilk.19 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=ZMUeIV27FJ7cOfImKb/vj1BBHL6Oa2pdctiWSnrpLimhMKQinIwwmlUN3WE1bTDnjr RtjpUPcQK6/p2VHrLlpmozGtyiPZxlmjW42i8s8B5FYFSRmDyLQSANLmpz7IBajNY0Xq tSncdZyp7ZEHyi4IMFGlfNyzswQjhl+yWAa7nCC2oMNINkABNDWDYE7O49GXpmVdOWLg B/IGoZhV7kbdt43+QhUzUSYri0IwUcQ/tc748Vj2tarDjU0rCxRmBl2aPLi7XIU/ti9W XRdHOqiwvK6HNvsIlUCKLp53cvY3Vxb8tZKvCb6P4rfNBbuaV7XcE6i1/KVWCqTTXi17 2c3Q== X-Gm-Message-State: AOAM533BU7gmBc2tkDmzu3bLsNHwDVb0ociJFn0mwZaISzikBka860FB yoxevbNRb6o2Yokm9/Tmq+1evgHxXMTe/8jE/AiBPbsWYaOZ 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-sparse-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sparse@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