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 66CF0C10F27 for ; Mon, 9 Mar 2020 06:58:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 44B5720675 for ; Mon, 9 Mar 2020 06:58:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726445AbgCIG6D (ORCPT ); Mon, 9 Mar 2020 02:58:03 -0400 Received: from mail-il1-f197.google.com ([209.85.166.197]:49275 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726403AbgCIG6D (ORCPT ); Mon, 9 Mar 2020 02:58:03 -0400 Received: by mail-il1-f197.google.com with SMTP id b72so6751887ilg.16 for ; Sun, 08 Mar 2020 23:58:03 -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=3vbHTdYQ67mib1pqhw7RfSE7n4B7fPNmRK2m1Cb8iPU=; b=KVvxHOv2XO+ZvWeaRU9gMy110OHVbklaNy1an+J1GCRNTFHDtQLHnn/k5vM4c3CNfa eSg4LsAYNu3BoQwAB8swVVqgYJv19l9zVOFLhvPK/MdxpkOAoQP6J2n6QAt/k/MRmPFq MXkXp9v8ZXO0Eqp9f9iSpJQ2bpDOX4m9mIKSbKX8UFu3n1qXN96dPIkRM5KeFDxGzeq5 NgvaaEHUuAPuws5m//O2qp+ygPHqrL/YIuGUUcGTaryKGdZAmudq3/S7UByPQitCsTH8 8JNhTT96e4GDP5jhNtUTbsf45dTOE5YIqUlCQkoSx/57cye18tbwR3ov/Rd0A3TXK11k 8TyQ== X-Gm-Message-State: ANhLgQ2uc8aWoNumRgTtGxR8cGyRk5yMkv70DyqVO5CbHbWeD6iiQYr2 vo4P2cGZATt3lQYfeEMNHNoG42Sh5HmfNS7mghkZTm1aRypz X-Google-Smtp-Source: ADFU+vtRpURm6U4wUgm5w3Q/LMCwhNNEMjTRsTn2XqAL2qLJHVJT0lEdDhwiPvd5cYSVN+QMhS0AUF7kTWiMSzfA+d9Rg3PvE9EA MIME-Version: 1.0 X-Received: by 2002:a5d:9bc8:: with SMTP id d8mr12563436ion.142.1583737083027; Sun, 08 Mar 2020 23:58:03 -0700 (PDT) Date: Sun, 08 Mar 2020 23:58:03 -0700 In-Reply-To: <000000000000161ee805a039a49e@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000406a7f05a066861d@google.com> Subject: Re: possible deadlock in siw_create_listen From: syzbot To: ast@kernel.org, bmt@zurich.ibm.com, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, dledford@redhat.com, dsahern@gmail.com, hawk@kernel.org, jakub.kicinski@netronome.com, jgg@ziepe.ca, jiri@mellanox.com, johannes.berg@intel.com, john.fastabend@gmail.com, kafai@fb.com, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, mkubecek@suse.cz, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com 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 bfcccfe78b361f5f6ef48554aed5bcd30c72f67f Author: Jakub Kicinski Date: Tue Nov 5 21:26:11 2019 +0000 netdevsim: drop code duplicated by a merge bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=166d11c3e00000 start commit: 425c075d Merge branch 'tun-debug' git tree: net-next final crash: https://syzkaller.appspot.com/x/report.txt?x=156d11c3e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=116d11c3e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=598678fc6e800071 dashboard link: https://syzkaller.appspot.com/bug?extid=3fbea977bd382a4e6140 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10e3df31e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=163d0439e00000 Reported-by: syzbot+3fbea977bd382a4e6140@syzkaller.appspotmail.com Fixes: bfcccfe78b36 ("netdevsim: drop code duplicated by a merge") For information about bisection process see: https://goo.gl/tpsmEJ#bisection