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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 775E7C31E40 for ; Fri, 9 Aug 2019 18:09:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5360B2171F for ; Fri, 9 Aug 2019 18:09:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437383AbfHISJC (ORCPT ); Fri, 9 Aug 2019 14:09:02 -0400 Received: from mail-ot1-f72.google.com ([209.85.210.72]:44617 "EHLO mail-ot1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2437234AbfHISJC (ORCPT ); Fri, 9 Aug 2019 14:09:02 -0400 Received: by mail-ot1-f72.google.com with SMTP id q16so70430827otn.11 for ; Fri, 09 Aug 2019 11:09:01 -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=V25+XUIaKi6XUm0H56UptnIU5DSM67dQfXdundGFO4c=; b=kIt8jpjH4+9x4XNADpGlUt6ULUMYZeWaDmjJ0OFUpLLniK4DM0cUtgNfLJsSfxA77I mSghvneifR2LDbrmSdflE/R/04rOPxDyZV4uv9hYddMm8e/9Dtpja1gDBrbNhtw4XHEb F4vR++DJLXnpy3f23q35jYK6dxWA19mlOJ2IneCETV9mFdPeno05phx75b2tfgV7KmzM UFgRvy01FpRkVZyjajjZ7X34dLsylFDuPo7BbVMV1kwtRNb5awqL5qAKmntTSMWpZrR4 0HOYLWw9K5c8efwskE6hyTa5D5YvTxBtGL1eS0kgl/Wb+cHr3CzCXEEqD8jPpQjZdgVf 1Fdw== X-Gm-Message-State: APjAAAX06YS32MODGkSjMeiVMyedcLBz1tpfZpbHzn0sNszChZv772aP tQAhw2za93l7aG9hhcEIB9xWhAE89ksXo6NxmO+wF1OGoCiw X-Google-Smtp-Source: APXvYqxIodrbP/4N+EQhfOL74zP7r1vRk2mIoqLfGEyOIGZ+MQRSRuTeM4nmX6vaBwiaKnSNp8mU1E6XaJuPIgpRx/CcNuiRkERU MIME-Version: 1.0 X-Received: by 2002:a5d:80c3:: with SMTP id h3mr23172856ior.167.1565374140994; Fri, 09 Aug 2019 11:09:00 -0700 (PDT) Date: Fri, 09 Aug 2019 11:09:00 -0700 In-Reply-To: <0000000000008cf14e058fad0c41@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009d5bbf058fb3116b@google.com> Subject: Re: KASAN: null-ptr-deref Write in rxrpc_unuse_local From: syzbot To: davem@davemloft.net, dhowells@redhat.com, linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.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 5c2833938bf50d502586e16b9dad1e3cf88fda6f Author: David Howells Date: Wed Jul 31 15:26:05 2019 +0000 rxrpc: Fix local endpoint refcounting bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1519a11c600000 start commit: 87b983f5 Add linux-next specific files for 20190809 git tree: linux-next final crash: https://syzkaller.appspot.com/x/report.txt?x=1719a11c600000 console output: https://syzkaller.appspot.com/x/log.txt?x=1319a11c600000 kernel config: https://syzkaller.appspot.com/x/.config?x=28eea330e11df0eb dashboard link: https://syzkaller.appspot.com/bug?extid=20dee719a2e090427b5f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17ceae36600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10ebc40e600000 Reported-by: syzbot+20dee719a2e090427b5f@syzkaller.appspotmail.com Fixes: 5c2833938bf5 ("rxrpc: Fix local endpoint refcounting") For information about bisection process see: https://goo.gl/tpsmEJ#bisection