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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, 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 00B61C2D0DB for ; Sun, 26 Jan 2020 11:26:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D35712071E for ; Sun, 26 Jan 2020 11:26:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729420AbgAZL0C (ORCPT ); Sun, 26 Jan 2020 06:26:02 -0500 Received: from mail-io1-f69.google.com ([209.85.166.69]:35364 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726436AbgAZL0B (ORCPT ); Sun, 26 Jan 2020 06:26:01 -0500 Received: by mail-io1-f69.google.com with SMTP id x10so4325500iob.2 for ; Sun, 26 Jan 2020 03:26:01 -0800 (PST) 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=JBFyGLFaRClD3Lq6gKSOhEwna1ahm2jFZCVvyRd5gTk=; b=pbEgg04rPMxXM5wFjwkfMUE/Lm2RI2pCPes3TzdU9hL037gWSbGObJxIl+ZgXAsFZf Foa0Idi6U/ywiijc8i5xxDqcyOuPNg0E9H52ukVNAF1OZ1yNCyqPsEZCPG5fUSiXT8h+ NjS43yFx9VA0u+h7/Gk1f7uKEBmGu9Rz+9CX0Y3GJdgFeDJb8Hcyi0nQ8CuIVvSnJ1Tr daczPdPX4yNOOy1/jauh5hxkEyE/kue8HpG8LssRnR3RTpfTqSZjN20cWqvrRmEwzML+ U4xyJPmklyUUUJeBajdf61MB9UkezhONNW4y/q7vMCPHqlAxcGvOH/Bg4QfzaQgR+uUH 4GYA== X-Gm-Message-State: APjAAAVmDemE5DbpXvPgHfhSzm76s4/nqpzsvNG70jzHVaoqqkTKWt9M DApelsKITCtlalIr2ZsAMxeBEQjxyQ7D0hrg3xrVp+8J9cHz X-Google-Smtp-Source: APXvYqyLaYc8gQfvUmEZVQhOZ0IYO/h52y/zmcO+U/WovieEJvKF5cOH25qr96Of+NGMIr4NK7EOiIp4DxSEObgLp7vhlByfHaDo MIME-Version: 1.0 X-Received: by 2002:a92:8307:: with SMTP id f7mr10993148ild.73.1580037961001; Sun, 26 Jan 2020 03:26:01 -0800 (PST) Date: Sun, 26 Jan 2020 03:26:00 -0800 In-Reply-To: <00000000000044bcb8059a0a577e@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000065b384059d094190@google.com> Subject: Re: KASAN: slab-out-of-bounds Read in vc_do_resize From: syzbot To: b.zolnierkie@samsung.com, daniel.thompson@linaro.org, daniel.vetter@ffwll.ch, daniel.vetter@intel.com, ghalat@redhat.com, gregkh@linuxfoundation.org, jslaby@suse.com, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, nico@fluxnic.net, okash.khawaja@gmail.com, oleksandr@redhat.com, sam@ravnborg.org, syzkaller-bugs@googlegroups.com, textshell@uchuujin.de Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this bug to: commit 9e1467002630065ed86c65ea28bfc9194fff6f0e Author: Daniel Vetter Date: Tue May 28 09:02:59 2019 +0000 fbcon: replace FB_EVENT_MODE_CHANGE/_ALL with direct calls bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=135a779ee00000 start commit: d96d875e Merge tag 'fixes_for_v5.5-rc8' of git://git.kerne.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=10da779ee00000 console output: https://syzkaller.appspot.com/x/log.txt?x=175a779ee00000 kernel config: https://syzkaller.appspot.com/x/.config?x=83c00afca9cf5153 dashboard link: https://syzkaller.appspot.com/bug?extid=c37a14770d51a085a520 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1659a721e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16aa59c9e00000 Reported-by: syzbot+c37a14770d51a085a520@syzkaller.appspotmail.com Fixes: 9e1467002630 ("fbcon: replace FB_EVENT_MODE_CHANGE/_ALL with direct calls") For information about bisection process see: https://goo.gl/tpsmEJ#bisection