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 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 DDBFBC54EEB for ; Sat, 21 Mar 2020 10:06:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BDBED2076F for ; Sat, 21 Mar 2020 10:06:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728376AbgCUKGF (ORCPT ); Sat, 21 Mar 2020 06:06:05 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:51959 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727686AbgCUKGE (ORCPT ); Sat, 21 Mar 2020 06:06:04 -0400 Received: by mail-il1-f200.google.com with SMTP id j12so7422669ilf.18 for ; Sat, 21 Mar 2020 03:06:03 -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=csp/uWkMe2b+8oGOYW5kiZNzSSclUYEAacoZv0rCvqk=; b=EeFDR8ntx8kyawS9f9z4gVVQfiAtVBiC+N1WpAodj/Yn9o3qbFlyAytCFVk+PIYl58 nvSy88aYJmEE7Tksy/b5vVyfP9kBckKcjMJG+MMjoAx7GFr6v4M6AFsO11VLUAdY7V8J ndwSowT82OLpX4sxsUepHN2o5h4n+pDbBkp54pcAI4h9KExdJktBrC8JezsBsnU4YUoT bAJ0E5tIDih7Ogsz7iJOmGmVhnraOkuogmlSdnIVcHnXjUrkn6964vbdFUikOeRfGnsl 8npy/ZKFiQXtHE3S0MDuRJXpHwge8vE+8D4H+KldvwNzhv7wHK7F/lDCQgmVuZpMrfFw xlww== X-Gm-Message-State: ANhLgQ3xO64EmlUPif+KwLF7dOaDG0tOiY3SILcyZomI70tgLglF0nAO MtX8OCwWEXyCz05Kqh6Hv3YRcFl0C+5HdsExJXEW8Qvu1wLI X-Google-Smtp-Source: ADFU+vsaIcmncK18+Ieo+gah2r3Mc4dVZcKt+uM5AQLPMRYyESC2bTTap13veK7eeW59XEnlnqXdZvgx89YWLxqY8cNDymFdn/ek MIME-Version: 1.0 X-Received: by 2002:a92:778e:: with SMTP id s136mr12758239ilc.256.1584785163067; Sat, 21 Mar 2020 03:06:03 -0700 (PDT) Date: Sat, 21 Mar 2020 03:06:03 -0700 In-Reply-To: <000000000000e9ca5105a08797f2@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b0a7eb05a15a8ce7@google.com> Subject: Re: WARNING: refcount bug in sk_alloc (2) From: syzbot To: alexios.zavras@intel.com, allison@lohutok.net, andriin@fb.com, ap420073@gmail.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, ebiederm@xmission.com, gregkh@linuxfoundation.org, jhogan@kernel.org, kafai@fb.com, keescook@chromium.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, lirongqing@baidu.com, mojha@codeaurora.org, netdev@vger.kernel.org, paulburton@kernel.org, penguin-kernel@I-love.SAKURA.ne.jp, ptalbert@redhat.com, ralf@linux-mips.org, rppt@linux.ibm.com, songliubraving@fb.com, swinslow@gmail.com, syzkaller-bugs@googlegroups.com, tbogendoerfer@suse.de, tglx@linutronix.de, yhs@fb.com, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8" Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org syzbot has bisected this bug to: commit b78e9d63a3b6307b6b786e6ba189d3978b60ceb5 Author: Thomas Bogendoerfer Date: Thu Jan 9 12:33:40 2020 +0000 MIPS: SGI-IP27: use asm/sn/agent.h for including HUB related stuff bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17330a23e00000 start commit: 0d1c3530 net_sched: keep alloc_hash updated after hash all.. git tree: net final crash: https://syzkaller.appspot.com/x/report.txt?x=14b30a23e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=10b30a23e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=c2e311dba9a02ba9 dashboard link: https://syzkaller.appspot.com/bug?extid=b1212b1215db82ff9211 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14e76a39e00000 Reported-by: syzbot+b1212b1215db82ff9211@syzkaller.appspotmail.com Fixes: b78e9d63a3b6 ("MIPS: SGI-IP27: use asm/sn/agent.h for including HUB related stuff") For information about bisection process see: https://goo.gl/tpsmEJ#bisection