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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0FC78C433FE for ; Fri, 18 Nov 2022 11:39:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241520AbiKRLjp (ORCPT ); Fri, 18 Nov 2022 06:39:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41482 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241167AbiKRLjn (ORCPT ); Fri, 18 Nov 2022 06:39:43 -0500 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1210A17589 for ; Fri, 18 Nov 2022 03:39:43 -0800 (PST) Received: by mail-io1-f72.google.com with SMTP id a14-20020a6b660e000000b006bd37975cdfso2478561ioc.10 for ; Fri, 18 Nov 2022 03:39:43 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=wDCDnbySJAlPG2jeLo/PkXMB1ynxGHRKZaMYRDfZNI4=; b=ahJtEuY3TPD1StXwpZxy2wMzI2vdd49/90/WAJnRoE2p6qLwhcLUbNLrM1LMMnlARO gtmiOrqrN1NtDqI+itd9b19RBn2D42XG7E92Oal7IUYn8xKpuPM7Ccw/M+JjDmrBbfu1 gu2lehrBRCCezW5u4fUzUnHVDp3oJAUu/ghzSGmoGcD5m8oCvtXhb/EYSuAdpL+a7yp0 lyCGqRmxUkjv7AVcXes2616txS1NualyuMYwRG0NW0n9qfcGlXlXgxcy9MsbDiNwmlG9 IfcbqGec+1PvBiZC2ltTkEGFprKZOFBhFojuPJBEjV/jYw36rAEM2CIX2967JKixXZOp V8aw== X-Gm-Message-State: ANoB5pnJuz4Gptex2V/bSG+HAuv+pIoluuOCw3ERUU88WaINs1J2+b7H F26iXo3bqXlq80W6tcyfZgo98FN8gaQlqtw6ac6mx0PjZIXT X-Google-Smtp-Source: AA0mqf5G6H1nIlkBZHjoYd5tTmNbtkysCBSfFXyRgSQa/KP/sWOcCL7rDSzGkVtafuZ6g9wrvZLSeB4yXdXgaSK+bb53F+CDVcm4 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:349f:b0:300:d5a7:4503 with SMTP id bp31-20020a056e02349f00b00300d5a74503mr3188868ilb.294.1668771582360; Fri, 18 Nov 2022 03:39:42 -0800 (PST) Date: Fri, 18 Nov 2022 03:39:42 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000060c7e305edbd296a@google.com> Subject: [syzbot] unregister_netdevice: waiting for DEV to become free (7) From: syzbot To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 9c8774e629a1 net: eql: Use kzalloc instead of kmalloc/memset git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=17bf6cc8f00000 kernel config: https://syzkaller.appspot.com/x/.config?x=9eb259db6b1893cf dashboard link: https://syzkaller.appspot.com/bug?extid=5e70d01ee8985ae62a3b compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1136d592f00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1193ae64f00000 Bisection is inconclusive: the issue happens on the oldest tested release. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=167c33a2f00000 final oops: https://syzkaller.appspot.com/x/report.txt?x=157c33a2f00000 console output: https://syzkaller.appspot.com/x/log.txt?x=117c33a2f00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5e70d01ee8985ae62a3b@syzkaller.appspotmail.com iwpm_register_pid: Unable to send a nlmsg (client = 2) infiniband syj1: RDMA CMA: cma_listen_on_dev, error -98 unregister_netdevice: waiting for vlan0 to become free. Usage count = 2 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches