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=-0.7 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 D3163C0650E for ; Mon, 1 Jul 2019 12:14:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B0F1A20B7C for ; Mon, 1 Jul 2019 12:14:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727703AbfGAMOB (ORCPT ); Mon, 1 Jul 2019 08:14:01 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:44939 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727526AbfGAMOB (ORCPT ); Mon, 1 Jul 2019 08:14:01 -0400 Received: by mail-io1-f72.google.com with SMTP id i133so14933625ioa.11 for ; Mon, 01 Jul 2019 05:14:01 -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=NWf6zAXmXdVI9wmyrTa+FuCFWEZ41w0HLTqj15sQqqk=; b=NKDXb5cMoeURel876B699Bjycc0VYO1ht2RuuDoW5ougczRNK9VNUuY7HCbv8OiArR aAC5S/Ovvrhpoge4KO7FlnotxenLWF09/514y1hqVpdKuGA/r/50Ts3RjQzrKrebbk0W gLE1vdQdoeFuiMsqx0yvwKwI4AbKV+t4CKgIz0ygQdZRW+/1529oZauqc+abh/fcdNn/ m62cUGaDD82Bv4PoQA4JszgThUJftdbzP+hnus+9eJ7r02FOmuzQpFBoO9pJcUpdoP/n mEm4SM07hScW2J6w0TeWTQW57Gey9uLccb/Qic5xVRQsLcWDms0+TkrKAsLFt+2HLfs3 mGZQ== X-Gm-Message-State: APjAAAXNtP82E0cvWRWV6CKpDsnhB3+y0Vn0M7Ne8eRR1jZ0CE22V2Ma DIWa3f6CMC9chluoyej5yfcPNPXKtmciX37qKj/VJuh9C2ix X-Google-Smtp-Source: APXvYqymMtF4Sb3QSuurBcHYsH3E8Req+IEh12sC9+1vRDayQ+vOG5A9GROOa0/UnLqUgLp/5wtZGfRSO49p8UhKW1mNXVSK9KiL MIME-Version: 1.0 X-Received: by 2002:a5d:8497:: with SMTP id t23mr25182314iom.298.1561983240729; Mon, 01 Jul 2019 05:14:00 -0700 (PDT) Date: Mon, 01 Jul 2019 05:14:00 -0700 In-Reply-To: <000000000000a5d3cb058c9a64f0@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000357fba058c9d906d@google.com> Subject: Re: kernel panic: corrupted stack end in dput From: syzbot To: ast@kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot has bisected this bug to: commit e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650 Author: John Fastabend Date: Sat Jun 30 13:17:47 2018 +0000 bpf: sockhash fix omitted bucket lock in sock_close bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17f7f4d5a00000 start commit: 7b75e49d net: dsa: mv88e6xxx: wait after reset deactivation git tree: net final crash: https://syzkaller.appspot.com/x/report.txt?x=140ff4d5a00000 console output: https://syzkaller.appspot.com/x/log.txt?x=100ff4d5a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=e7c31a94f66cc0aa dashboard link: https://syzkaller.appspot.com/bug?extid=d88a977731a9888db7ba syz repro: https://syzkaller.appspot.com/x/repro.syz?x=130f49bda00000 Reported-by: syzbot+d88a977731a9888db7ba@syzkaller.appspotmail.com Fixes: e9db4ef6bf4c ("bpf: sockhash fix omitted bucket lock in sock_close") For information about bisection process see: https://goo.gl/tpsmEJ#bisection