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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6FD41C433EF for ; Mon, 15 Nov 2021 07:38:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5674B63215 for ; Mon, 15 Nov 2021 07:38:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234669AbhKOHlf (ORCPT ); Mon, 15 Nov 2021 02:41:35 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:53194 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230056AbhKOHlT (ORCPT ); Mon, 15 Nov 2021 02:41:19 -0500 Received: by mail-il1-f199.google.com with SMTP id h12-20020a056e021b8c00b0026e094f4a33so9953356ili.19 for ; Sun, 14 Nov 2021 23:38:23 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=wAcAJvwVLUQg9owDLLhZ6P7Y4ndIiH5QD0qB5tdkIn8=; b=yByqD8j8438RAis6MHC8WHkraUfZ7XQuJcyu5drRu8dkF/u8xN/9xK9fakgs2WZPII Qyjf2sacBIsIb/OTJhVYUy8LK9S7jO28iXBuhECgTVcnrvfwTgk1ZJC9YVu3rMrK/LpV CHPQ1WZrYeMsZRPXP1QF2heTQQULXPGYxwlaSk3191FX2V+Zd/jX5ylSwzbiXyN4PEd7 VS/AoLonBYiWNcoZFJuf7vNjzcsoYUpvIT3qn6FLETkA9EjtdKMPDj62+ytRFJqLBzue 9bV1gWfbyELem6MGX+Eo1pDr/rBTaWZFxgQyw9k8vEErWqHpx6cKSV0iM9scd7dbGYFO 9qtQ== X-Gm-Message-State: AOAM5335/M7lnuzNHI5/SISktJlEkT9UNKkkXOlRnjgl4n6Hb/tKHt8Y mdlc0ULSoU20FRdgsVWvAvKbwwaZvg9icrv05DSFS++XvbYA X-Google-Smtp-Source: ABdhPJwUDoRWDhgTf8XrfrouKYXV1uId24KuTAbyeov6j2HHWcumh9j0lVSFqB9YAlAsPxsj0yhKc8QrUtXV3ONFYEosPH60L30m MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1529:: with SMTP id i9mr19982807ilu.23.1636961903367; Sun, 14 Nov 2021 23:38:23 -0800 (PST) Date: Sun, 14 Nov 2021 23:38:23 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c2dccb05d0cee49a@google.com> Subject: [syzbot] WARNING in ieee80211_free_ack_frame (2) From: syzbot To: davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@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: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 89d714ab6043 Merge tag 'linux-watchdog-5.16-rc1' of git://.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=108e7c3eb00000 kernel config: https://syzkaller.appspot.com/x/.config?x=dcce4e862d74e466 dashboard link: https://syzkaller.appspot.com/bug?extid=ac648b0525be1feba506 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ac648b0525be1feba506@syzkaller.appspotmail.com netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 ------------[ cut here ]------------ Have pending ack frames! WARNING: CPU: 0 PID: 10 at net/mac80211/main.c:1419 ieee80211_free_ack_frame+0x48/0x50 net/mac80211/main.c:1419 Modules linked in: CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net RIP: 0010:ieee80211_free_ack_frame+0x48/0x50 net/mac80211/main.c:1419 Code: e8 0d dc f3 f8 48 89 ef e8 d5 c6 97 fe 31 c0 5b 5d c3 e8 fb db f3 f8 48 c7 c7 00 9b ab 8a c6 05 b3 00 d8 04 01 e8 89 e9 72 00 <0f> 0b eb d2 0f 1f 40 00 41 57 41 56 49 89 f6 41 55 41 54 49 89 d4 RSP: 0018:ffffc90000f0f9d8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888011c3c280 RSI: ffffffff815e6b88 RDI: fffff520001e1f2d RBP: ffff8880781a6000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815e095e R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff888320f0 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c247c48cf0 CR3: 0000000021d96000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: idr_for_each+0x113/0x220 lib/idr.c:208 ieee80211_free_hw+0x9b/0x2b0 net/mac80211/main.c:1435 mac80211_hwsim_del_radio drivers/net/wireless/mac80211_hwsim.c:3586 [inline] hwsim_exit_net+0x55f/0xca0 drivers/net/wireless/mac80211_hwsim.c:4346 ops_exit_list+0xb0/0x160 net/core/net_namespace.c:168 cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:593 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 --- 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.