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 BD37EC3DA79 for ; Sat, 17 Dec 2022 20:23:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229624AbiLQUXu (ORCPT ); Sat, 17 Dec 2022 15:23:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37544 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229947AbiLQUXm (ORCPT ); Sat, 17 Dec 2022 15:23:42 -0500 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1C2ABE0DB for ; Sat, 17 Dec 2022 12:23:38 -0800 (PST) Received: by mail-il1-f198.google.com with SMTP id x10-20020a056e021bca00b00302b6c0a683so4025767ilv.23 for ; Sat, 17 Dec 2022 12:23:38 -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=zhak8b5pECv3WdAuTBYFEI8u4BH4xzgqJb+pR1es1dw=; b=EiAH+AFYSKuH7vUYvyM9HpNWhqwcZd0dnvw63KpStNTstEoZarhzkZBNDV1Aw4WbO4 9qyMc0nRBcPOR960AQxGcxvjp3RSd5mrQtsDB93eDvjBzvgUU1B54jw+aBiqFW672dOM BMujDMVqe1WFpFFjN4PsDF0piRYCyRQwo3mXhRyd98EbRZUIt7uZihhmrv2JNQxPSSQv Qg/40oiGKYHaKPufjwd27NNfWHBc1HgX7wiELcSZLzblZH4AufY6BZqSgUUWwn7dTMtk ikPeVsd4ag+kEpDyFwZyp1CBqHau/u8qK8CYkvvX2U1A02sj3jD4NMKVJ0c18zaUD5fm 73eg== X-Gm-Message-State: ANoB5pmoVsPdCAiwSAlRcmFa+Y6TRQsiXAy5fjgWuzxNujVctqi5TQ4D nepfYFUCqM8kCjDsb3riiMootjBqY3USjrpPyOHOx/+7YI/k X-Google-Smtp-Source: AA0mqf4SE3WhaLo0Wqu5rl3EqqzkTQBtaB/iRqHJV5j60PglmweOvVXaL+HWPFGUhuyO9VrWZ1Wx5GLdjlbY/HrWbkGBm2XCzhdO MIME-Version: 1.0 X-Received: by 2002:a92:bf08:0:b0:302:43b8:d42f with SMTP id z8-20020a92bf08000000b0030243b8d42fmr39574908ilh.64.1671308617477; Sat, 17 Dec 2022 12:23:37 -0800 (PST) Date: Sat, 17 Dec 2022 12:23:37 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000074764e05f00bdc01@google.com> Subject: [syzbot] WARNING in drv_link_info_changed From: syzbot To: davem@davemloft.net, edumazet@google.com, johannes@sipsolutions.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, 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: e2ca6ba6ba01 Merge tag 'mm-stable-2022-12-13' of git://git.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16d4f027880000 kernel config: https://syzkaller.appspot.com/x/.config?x=a6133b41a9a0f500 dashboard link: https://syzkaller.appspot.com/bug?extid=224ad65c927c83902f06 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. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/be256841c209/disk-e2ca6ba6.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/76c90a4cdade/vmlinux-e2ca6ba6.xz kernel image: https://storage.googleapis.com/syzbot-assets/a44766da5515/bzImage-e2ca6ba6.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+224ad65c927c83902f06@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5553 at net/mac80211/driver-ops.c:416 drv_link_info_changed+0xd2/0x780 net/mac80211/driver-ops.c:416 Modules linked in: CPU: 1 PID: 5553 Comm: kworker/u4:23 Not tainted 6.1.0-syzkaller-09941-ge2ca6ba6ba01 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: phy12 ieee80211_roc_work RIP: 0010:drv_link_info_changed+0xd2/0x780 net/mac80211/driver-ops.c:416 Code: 83 f8 01 0f 84 f6 00 00 00 e8 ea a6 4f f8 83 eb 07 31 ff 83 e3 fb 89 de e8 8b a3 4f f8 85 db 0f 84 da 00 00 00 e8 ce a6 4f f8 <0f> 0b e9 c5 02 00 00 e8 c2 a6 4f f8 4d 8d bc 24 50 1a 00 00 48 b8 RSP: 0018:ffffc90004befb90 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000fffffffb RCX: 0000000000000000 RDX: ffff888027601d40 RSI: ffffffff893103a2 RDI: 0000000000000005 RBP: ffff88807e7e8de0 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000fffffffb R11: 0000000000000000 R12: ffff88803f4c0c80 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88803f4c26d0 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f696ff85058 CR3: 000000002991d000 CR4: 0000000000350ee0 Call Trace: ieee80211_link_info_change_notify+0x17a/0x270 net/mac80211/main.c:290 ieee80211_offchannel_stop_vifs+0x308/0x4e0 net/mac80211/offchannel.c:121 _ieee80211_start_next_roc+0x6f7/0x9a0 net/mac80211/offchannel.c:365 __ieee80211_roc_work+0x190/0x3d0 net/mac80211/offchannel.c:432 ieee80211_roc_work+0x2f/0x40 net/mac80211/offchannel.c:460 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x669/0x1090 kernel/workqueue.c:2436 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 --- 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.