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=-5.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_PASS,URIBL_BLOCKED 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 7B1E3C43381 for ; Thu, 28 Mar 2019 23:46:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4413C2173C for ; Thu, 28 Mar 2019 23:46:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728646AbfC1XqC (ORCPT ); Thu, 28 Mar 2019 19:46:02 -0400 Received: from mail-it1-f197.google.com ([209.85.166.197]:41436 "EHLO mail-it1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728543AbfC1XqC (ORCPT ); Thu, 28 Mar 2019 19:46:02 -0400 Received: by mail-it1-f197.google.com with SMTP id q184so493967itd.6 for ; Thu, 28 Mar 2019 16:46:01 -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=8blUUY3Z+Vwvz4W83sqp0uB4hzITpzSvBDE5pi9mytY=; b=sRAw6COZxBMF20YQUsrzt/iYKudJwWvirInvKbap1Lt6Y33bWtMZCgNENdvxlH36N0 BENzyIwYyL3NGJDNvhjcX4mJhx3otpQMnJZ5nBkIHiWbvhXnRTuc+9KMK86BLMJg3IBF NPdqvUFynBsoWJk7Ids4uNfMZEpdIB/xxch7pPGLh4xcAO/MHs1AuCEg/Ru+5C1SbO/t dWoSZWP3NskY/pNDPS0KvlYt7HjEeOJyDMKDhMYX5pAl2JzKM6jPMNYzshk2hCeTrX7K cRzYr80Ff/XTwjjisARX5TISDCFhnP/Nv3pFf/cySk+bBRhDC5ut2paKlmD5y/S1/XYW uSiA== X-Gm-Message-State: APjAAAXkrN+wfBwm67IrVSYbu4F6tPzX9FLz+n6VvvUOS5k+nc8bEWm4 mr77WOlDwURBHg63vG2klkHQif73TlA9/ztdX9JGaps4hPob X-Google-Smtp-Source: APXvYqy2gtPfFP7KvJ7luiQX1pGGkNy+qtndYsuoUj/PQFdhbhJgJ7+kkCijz1sn1urKwdqvhw8v0RdbO3jEhE/edzfsuianrKNr MIME-Version: 1.0 X-Received: by 2002:a02:2501:: with SMTP id g1mr4132133jag.25.1553816761273; Thu, 28 Mar 2019 16:46:01 -0700 (PDT) Date: Thu, 28 Mar 2019 16:46:01 -0700 In-Reply-To: <000000000000ea60e6058529d77b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001a141505853028fd@google.com> Subject: Re: kernel BUG at drivers/android/binder_alloc.c:LINE! (3) From: syzbot To: a@unstable.cc, arve@android.com, b.a.t.m.a.n@lists.open-mesh.org, christian@brauner.io, davem@davemloft.net, devel@driverdev.osuosl.org, gregkh@linuxfoundation.org, joel@joelfernandes.org, linux-kernel@vger.kernel.org, maco@android.com, mareklindner@neomailbox.ch, netdev@vger.kernel.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, tkjos@android.com, tkjos@google.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes 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 1a7c3d9bb7a926e88d5f57643e75ad1abfc55013 Author: Todd Kjos Date: Fri Feb 8 18:35:14 2019 +0000 binder: create userspace-to-binder-buffer copy function bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15b9383f200000 start commit: 1a9df9e2 Merge git://git.kernel.org/pub/scm/linux/kernel/g.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=17b9383f200000 console output: https://syzkaller.appspot.com/x/log.txt?x=13b9383f200000 kernel config: https://syzkaller.appspot.com/x/.config?x=8dcdce25ea72bedf dashboard link: https://syzkaller.appspot.com/bug?extid=f9f3f388440283da2965 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17d05637200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1677e62f200000 Reported-by: syzbot+f9f3f388440283da2965@syzkaller.appspotmail.com Fixes: 1a7c3d9bb7a9 ("binder: create userspace-to-binder-buffer copy function") For information about bisection process see: https://goo.gl/tpsmEJ#bisection