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 11DDFC4332F for ; Mon, 7 Nov 2022 19:02:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232277AbiKGTC4 (ORCPT ); Mon, 7 Nov 2022 14:02:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232004AbiKGTCy (ORCPT ); Mon, 7 Nov 2022 14:02:54 -0500 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9BCD5248CA for ; Mon, 7 Nov 2022 11:02:53 -0800 (PST) Received: by mail-il1-f197.google.com with SMTP id g4-20020a92cda4000000b00301ff06da14so5471393ild.11 for ; Mon, 07 Nov 2022 11:02:53 -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=KQptrhav79xXQw1ST0+CwH9PaW56XdPfql9Q6/c9FdA=; b=fRV+mLOEvVJkyiMid1SSJL5f6WN0USJLKk+0WioVZlZZ3c2IMgKEjuHD0vjXrMba6n YBSq4zgS6OcWhCBKTYw8yXaPlvTuQE6rBa4e0dbUUanIyHQHM13P/J8Ss39Z1NXfRgIw GnqvDM8NbZImLVThzXmDYCwbUFR/SIophZF1YCJYix0xNL7mY0MeOMESXTFZUNIJsMVj Ofn1XC8mIa74I0L/gpaHV81Ow4q9v+A+riMZnYsMSiiEqtQhxPiPER0hiFcybt7Tky9V dEqzyNPBv5dnVydNrfHXo+x9XZQ8iQ1IsoS1ikqK9TmTZqQHDszdtmKw8iPY0Z8xjLrO pxCQ== X-Gm-Message-State: ACrzQf1jgz++bDtcH1f4EP0f1hSJzb+RiuMWaXa1IwiUowrVj5C8o/fv z1NYYntOs+al+bJfHyg0dQmHfA0cNSRqcbWhPVlFm14++7qn X-Google-Smtp-Source: AMsMyM4hC7Jc2oN3PisfiWNi4UMFm8ehUKwjBOCm0sbjYkyUGsDwF06XU7REWtkoH/l2aBnbTrx1hC6b3Lg1hXO53Jok34DyWJvR MIME-Version: 1.0 X-Received: by 2002:a6b:6902:0:b0:6d0:c81d:daf6 with SMTP id e2-20020a6b6902000000b006d0c81ddaf6mr24818449ioc.93.1667847772981; Mon, 07 Nov 2022 11:02:52 -0800 (PST) Date: Mon, 07 Nov 2022 11:02:52 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000c56d205ece61277@google.com> Subject: [syzbot] linux-next test error: WARNING in devl_port_unregister From: syzbot To: davem@davemloft.net, edumazet@google.com, jiri@nvidia.com, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, sfr@canb.auug.org.au, 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: d8e87774068a Add linux-next specific files for 20221107 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=17b99fde880000 kernel config: https://syzkaller.appspot.com/x/.config?x=97401fe9f72601bf dashboard link: https://syzkaller.appspot.com/bug?extid=c2ca18f0fccdd1f09c66 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/671a9d3d5dc6/disk-d8e87774.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/ef1309efbb19/vmlinux-d8e87774.xz kernel image: https://storage.googleapis.com/syzbot-assets/7592dabd2a3a/bzImage-d8e87774.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c2ca18f0fccdd1f09c66@syzkaller.appspotmail.com wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 11 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 net/core/devlink.c:9998 Modules linked in: CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc3-next-20221107-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: netns cleanup_net RIP: 0010:devl_port_unregister+0x2f6/0x390 net/core/devlink.c:9998 Code: e8 8f 45 fc f9 85 ed 0f 85 7a fd ff ff e8 b2 48 fc f9 0f 0b e9 6e fd ff ff e8 a6 48 fc f9 0f 0b e9 53 ff ff ff e8 9a 48 fc f9 <0f> 0b e9 94 fd ff ff e8 de f9 48 fa e9 78 ff ff ff e8 a4 f9 48 fa RSP: 0018:ffffc90000107a08 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888020492810 RCX: 0000000000000000 RDX: ffff888011a33a80 RSI: ffffffff87809286 RDI: 0000000000000005 RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: ffff888020492810 R13: ffff888020492808 R14: ffff888020491800 R15: ffff888020492800 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00213d000 CR3: 000000007318b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __nsim_dev_port_del+0x1bb/0x240 drivers/net/netdevsim/dev.c:1433 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1443 [inline] nsim_dev_reload_destroy+0x171/0x510 drivers/net/netdevsim/dev.c:1660 nsim_dev_reload_down+0x6b/0xd0 drivers/net/netdevsim/dev.c:968 devlink_reload+0x1c2/0x6b0 net/core/devlink.c:4501 devlink_pernet_pre_exit+0x104/0x1c0 net/core/devlink.c:12609 ops_pre_exit_list net/core/net_namespace.c:159 [inline] cleanup_net+0x451/0xb10 net/core/net_namespace.c:594 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 --- 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.