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 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 1F1ADC43381 for ; Sat, 30 Mar 2019 05:17:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EB876218A6 for ; Sat, 30 Mar 2019 05:17:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726400AbfC3FRC (ORCPT ); Sat, 30 Mar 2019 01:17:02 -0400 Received: from mail-it1-f198.google.com ([209.85.166.198]:59804 "EHLO mail-it1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726132AbfC3FRC (ORCPT ); Sat, 30 Mar 2019 01:17:02 -0400 Received: by mail-it1-f198.google.com with SMTP id q192so4118952itb.9 for ; Fri, 29 Mar 2019 22:17:01 -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=eQHRr9Tl3iWA/tAC3rOoFC/Acid0hZi2e+ZYmjdnEhc=; b=bGpg/6uHAjKGaSQAX2lhGw2w0fW+IUCRMAs7jc3T+QUg7fgGSMYMCo0Rm3SP4ETzaf ZqQF3sWDarvwgAvjr2ztsZaT2JtcOwwh36rwUZWN5NYu7jQALlq3cPYcGPSk58JK7f6l jEB7cDNsk8JwtFC+DHqdp68b7z9xTZSt6BMKY4Q0ZoEtkeBeChWFH908V5b+OUsz7RWJ UpOtKNujy6ZwO3gp6en9cUsZW+d2uTRHiUHIPdq0NDBe4n3mXpj3wajYrTtH+Rr3M8PE W5/cOmsHumKpMlCGFdWUUAuF3z5+URwGaZ8W4+5MoG/XvhKMWdXyZ8KKuijYmt28BHGC WX2A== X-Gm-Message-State: APjAAAUqUEcglrEyfoqARpEP/e+fNIZyW+CmU+dTqpAko7e/bYuHFPdU sCq72fAGYwodcwNy9zkPYuVL5NW/IHesx6go9O57rOVkV45s X-Google-Smtp-Source: APXvYqyUrGXnxeyNx/Ny2a1mSn2QPuivugZT22c1VykyKiGmUbYWAMvWZ03eHH9ErtA2Rbj0Fwv/tbxEEPmEbrZMTMBCcb+/HLRC MIME-Version: 1.0 X-Received: by 2002:a02:4086:: with SMTP id n128mr6036484jaa.19.1553923021525; Fri, 29 Mar 2019 22:17:01 -0700 (PDT) Date: Fri, 29 Mar 2019 22:17:01 -0700 In-Reply-To: <00000000000006602605752ffa1a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b4d871058548e5c8@google.com> Subject: Re: general protection fault in tcp_cleanup_ulp From: syzbot To: ast@kernel.org, daniel@iogearbox.net, davem@davemloft.net, edumazet@google.com, john.fastabend@gmail.com, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yoshfuji@linux-ipv6.org Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit 90545cdc3f2b2ea700e24335610cd181e73756da Author: Daniel Borkmann Date: Thu Aug 16 19:49:07 2018 +0000 tcp, ulp: fix leftover icsk_ulp_ops preventing sock from reattach bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15dab897200000 start commit: 28619527 Merge git://git.kernel.org/pub/scm/linux/kernel/g.. git tree: bpf final crash: https://syzkaller.appspot.com/x/report.txt?x=17dab897200000 console output: https://syzkaller.appspot.com/x/log.txt?x=13dab897200000 kernel config: https://syzkaller.appspot.com/x/.config?x=8f59875069d721b6 dashboard link: https://syzkaller.appspot.com/bug?extid=0b3ccd4f62dac2cf3a7d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13537269400000 Reported-by: syzbot+0b3ccd4f62dac2cf3a7d@syzkaller.appspotmail.com Fixes: 90545cdc3f2b ("tcp, ulp: fix leftover icsk_ulp_ops preventing sock from reattach") For information about bisection process see: https://goo.gl/tpsmEJ#bisection