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=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,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 3598DC5B579 for ; Sat, 29 Jun 2019 02:10:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0EE8F208E3 for ; Sat, 29 Jun 2019 02:10:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727037AbfF2CKD (ORCPT ); Fri, 28 Jun 2019 22:10:03 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:36341 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727033AbfF2CKB (ORCPT ); Fri, 28 Jun 2019 22:10:01 -0400 Received: by mail-io1-f70.google.com with SMTP id k21so8693605ioj.3 for ; Fri, 28 Jun 2019 19:10:01 -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=84uQch8ytJ1lCabOHF26kS1aihVf0OWc3QTgyNOP9t0=; b=h5U0b/Yi/OyYeilyRloHzwGxpEuKnmAA6Ctgu9abrVuKkL4QP15GLT4THmwtHVjZqu OYHnmN2jVl+mxx8jRLvkUZPtXrX1CcQh+uwhLMVblYZQOEXihn0FH1jNYorfKEXww3IV dMk67LYoLOWtxa1+v8f5Mmhw6hLw3MbqFKQ2Mq+zAVBWl+X+Sr43r+tYnkjC8YVck252 ygTu6pbtbVEQvB1vnHxi8N2+W3qkvqzo9pQsuahoO3j6VRNcqmZmu8d89IpvsjW+YP38 4uIYtZ/dRNne0rE3m+RMex1AQZiwo4J5WE2A28TIPcOSaHVTwtuDGMOCfow7LEZsCkVe wGMQ== X-Gm-Message-State: APjAAAWBaJekseAVNMC3IXkp+TRgxgg48Q935qVn+C03iRd7rSYf3XKv ENkH1FYhvDeYgkOUgS5ihydHsz3Eoq/TuGi8fg2MXZFC8pCg X-Google-Smtp-Source: APXvYqwIj/ChdaSSPt20gSuvnjyqICrd1EGtQL3DgiudeFG0KMFP8BQKEBHpsTMm2Iudrae9YgBrLN5/PZRaKtNbeTFEr1JIeBQt MIME-Version: 1.0 X-Received: by 2002:a5d:94d7:: with SMTP id y23mr12337354ior.296.1561774200691; Fri, 28 Jun 2019 19:10:00 -0700 (PDT) Date: Fri, 28 Jun 2019 19:10:00 -0700 In-Reply-To: <00000000000017c9e2058baf4825@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000073a232058c6ce410@google.com> Subject: Re: BUG: unable to handle kernel paging request in __do_softirq From: syzbot To: ast@kernel.org, bp@alien8.de, bpf@vger.kernel.org, daniel@iogearbox.net, dvyukov@google.com, hpa@zytor.com, jacob.jun.pan@linux.intel.com, john.fastabend@gmail.com, konrad.wilk@oracle.com, len.brown@intel.com, linux-kernel@vger.kernel.org, mingo@redhat.com, netdev@vger.kernel.org, puwen@hygon.cn, rppt@linux.vnet.ibm.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@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=16aac819a00000 start commit: 29f785ff Merge branch 'fixes' of git://git.kernel.org/pub/.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=15aac819a00000 console output: https://syzkaller.appspot.com/x/log.txt?x=11aac819a00000 kernel config: https://syzkaller.appspot.com/x/.config?x=e5c77f8090a3b96b dashboard link: https://syzkaller.appspot.com/bug?extid=0b224895cb9454584de1 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1076d132a00000 Reported-by: syzbot+0b224895cb9454584de1@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