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=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 B3B16C43603 for ; Sun, 15 Dec 2019 01:27:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 886402073D for ; Sun, 15 Dec 2019 01:27:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727160AbfLOB1D (ORCPT ); Sat, 14 Dec 2019 20:27:03 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:35505 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727148AbfLOB1C (ORCPT ); Sat, 14 Dec 2019 20:27:02 -0500 Received: by mail-il1-f199.google.com with SMTP id t15so3213439ilh.2 for ; Sat, 14 Dec 2019 17:27:01 -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=c+s69FUrevmh/qMLgOyZw9GWvtN3ytNCAie8XX1Wio0=; b=uc9pWyznF9yQh0b1Ei+35QfsyJ6QMGwHLnv+XZQ+E3+FsFBNaEiYNhFS2Xo6qLhLHp mztXopA9zqRpxg7JkySYEW9o1gDo3N0mSiUDjo9WJWU/sgD4KQvlDTLCEwRQ7jVj+pJe 0m/y+d3znKTVXHNthOuOiiDqpSeUUm/y+3F/aQ5aUASqHHerKGlJzCraXCPVBP2J+nny e9kGHe8oxYlnr5nQoJiiIkL1Wz51yefKay6v5C6HM3ESkoXABzto/UoJFmcXdlHUqe21 kdLhJPhf8MXMS82+RSQXsl8YA5TvgFl6up+dcE/ABeY2hNgt5M56qgoi+Mc/kCLhgZ4g m9cg== X-Gm-Message-State: APjAAAW9MdwqBRB6nCbQlCcKibxZLnqusOAsJzfvj+znK1YJ0NF27AI4 UG5x6LDlr8zmv+0S6T7U0wRnzLQerGQcOLOSrS6RrP3zotAg X-Google-Smtp-Source: APXvYqy7O21f8gr/KcYVDGHHA00H9AO2+CAAcrvPyJbJkQR9bGCOqaPnuFyWq42GKUJVdxRtIb/Aqis0HVOF9COqLeCaOOMD3jTv MIME-Version: 1.0 X-Received: by 2002:a92:5a56:: with SMTP id o83mr2853063ilb.97.1576373220852; Sat, 14 Dec 2019 17:27:00 -0800 (PST) Date: Sat, 14 Dec 2019 17:27:00 -0800 In-Reply-To: <000000000000c71dcf0579b0553f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000dcc9b10599b3fd5e@google.com> Subject: Re: KASAN: use-after-free Read in ext4_xattr_set_entry (2) From: syzbot To: a@unstable.cc, adilger.kernel@dilger.ca, afd@ti.com, b.a.t.m.a.n@lists.open-mesh.org, chris@lapa.com.au, davem@davemloft.net, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, mareklindner@neomailbox.ch, netdev@vger.kernel.org, pali.rohar@gmail.com, sre@kernel.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org syzbot has bisected this bug to: commit 8835cae5f2abd7f7a3143afe357f416aff5517a4 Author: Chris Lapa Date: Wed Jan 11 01:44:47 2017 +0000 power: supply: bq27xxx: adds specific support for bq27520-g4 revision. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16661f41e00000 start commit: ae4b064e Merge tag 'afs-fixes-20191211' of git://git.kerne.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=15661f41e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=11661f41e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=79f79de2a27d3e3d dashboard link: https://syzkaller.appspot.com/bug?extid=4a39a025912b265cacef syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15ec1332e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=163455dee00000 Reported-by: syzbot+4a39a025912b265cacef@syzkaller.appspotmail.com Fixes: 8835cae5f2ab ("power: supply: bq27xxx: adds specific support for bq27520-g4 revision.") For information about bisection process see: https://goo.gl/tpsmEJ#bisection