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=-4.0 required=3.0 tests=BAYES_00,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 4CE4AC433E1 for ; Fri, 14 Aug 2020 22:59:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 294DA20885 for ; Fri, 14 Aug 2020 22:59:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728269AbgHNW7I (ORCPT ); Fri, 14 Aug 2020 18:59:08 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:53505 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726213AbgHNW7H (ORCPT ); Fri, 14 Aug 2020 18:59:07 -0400 Received: by mail-io1-f71.google.com with SMTP id f22so7019162iof.20 for ; Fri, 14 Aug 2020 15:59:06 -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=26hWQC191k0LtuaZdSkVmfh/7oglcND6lOLk0CrAyjg=; b=UatOcHi7n79hFt1G7RmTMMiiUEi813NimJS0PEimvCv5pWmv+NvDMGzYoZs8cTdRlV mTuio5g7pdqnff3vSf7IqNJR4GDfQ3ZuDr0Dih0xZxTL90b88IdUgHDm92bu5War3o+s ckv6CV3sWD2u1KG2wX3tPFaN9FWVQZv7/9VgH4Lj5VkBjX91aXUwiLZHvZz/NFnUuTxT 8pAufABpJwhUAzOYrgkdT98WCXr6Yke9HfXNzTQLrAepT5WlgY8ga23HEuAmjfKIf9n+ XU2b7Y0Cv/n3dnilNZfe4U8wZPcofloq+gCJ9GUGNI9m8pDswhBP4MWuvINDayaqGpf0 Xj4Q== X-Gm-Message-State: AOAM530HSDS86ebxTxnOQHn+PYSN/aPTVqe4db8WYQVAbWH1iN4w8gHq Dcyf/tQYd76VsPDGDZQ4GDAPBjVSs20a0q6K7RR7VdOTxS+g X-Google-Smtp-Source: ABdhPJypLHX9dDgEVGPD3bwTWaZvyk4HCc9VC0CCoMFtyaW6XMVYLFWi6Q4yAOt+dOK2FInhgOit9VdtS0K9OXDQNFwAB7SvoEdS MIME-Version: 1.0 X-Received: by 2002:a02:6903:: with SMTP id e3mr4870665jac.142.1597445946590; Fri, 14 Aug 2020 15:59:06 -0700 (PDT) Date: Fri, 14 Aug 2020 15:59:06 -0700 In-Reply-To: <000000000000c770710586c6fc92@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000031c95f05acde5eda@google.com> Subject: Re: BUG: unable to handle kernel paging request in free_block (5) From: syzbot To: davem@davemloft.net, edumazet@google.com, jmaloy@redhat.com, jon.maloy@ericsson.com, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, tipc-discussion@lists.sourceforge.net, ying.xue@windriver.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 1378817486d6860f6a927f573491afe65287abf1 Author: Eric Dumazet Date: Thu May 21 18:29:58 2020 +0000 tipc: block BH before using dst_cache bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1537694a900000 start commit: e6986423 socket: fix compat SO_RCVTIMEO_NEW/SO_SNDTIMEO_NEW git tree: net kernel config: https://syzkaller.appspot.com/x/.config?x=4fb64439e07a1ec0 dashboard link: https://syzkaller.appspot.com/bug?extid=438a5abd4f53adb1c073 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12adddbf200000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: tipc: block BH before using dst_cache For information about bisection process see: https://goo.gl/tpsmEJ#bisection