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 1E351C00140 for ; Sun, 31 Jul 2022 08:47:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236431AbiGaIrX (ORCPT ); Sun, 31 Jul 2022 04:47:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229456AbiGaIrV (ORCPT ); Sun, 31 Jul 2022 04:47:21 -0400 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B2FEC1274A for ; Sun, 31 Jul 2022 01:47:20 -0700 (PDT) Received: by mail-il1-f197.google.com with SMTP id d12-20020a056e02214c00b002dd143bee38so4852199ilv.7 for ; Sun, 31 Jul 2022 01:47:20 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc; bh=9ZWT2dG7kvlI+OPdAV7Z0A6SxXL1xkRWwFlgF6QVYQA=; b=GQlbI4Ya4aL+Vqtx+ClH7T3gRmlptaU+jpYAvlhHZmb6+ezxdrq6FX+2Mh2WUvyHPA wqTGB/soZjbe2M/j99eiHACw/yW+2EJ1ts68ompoMiW2Tj/PpJ7XjICnB+DovaO6zcqw NDm4XKRLW/V+zX5gP9e9pnO36S9XptHXF6P26hyYX+GjSUZu9oorzc3n0TGdke0LajSv WLiuYQpj5yj4xuwp6LVyU5hGaSrcADz3OJgy7dbbFZnPolrz1E6XNk0vDR79RLu9xrp7 BgKHf5Nvh81HhQJpy8GCPS8/32w4CcMH7wzr6D1KwlACINRvWwhj7R775IBCvdGn2Ox7 Qnbw== X-Gm-Message-State: AJIora8cxMl/BlsLy2xeQukHFfF9WFluhAAxRg/Am0Or4GreAGV//J5H GchjvmKmK31x8mLxFzAAXWcOkFmFuBvRUyRWD7DFxnSAd4Of X-Google-Smtp-Source: AGRyM1uPo5QRcVHQHZHJ7aXnmx8jTKizYEPWYRJidTXk2aiv4M8TzKT4NNxDkEfomwYcf+6S1cOvw2nIEGlwSaduPdj0yfFgR8mr MIME-Version: 1.0 X-Received: by 2002:a02:a890:0:b0:33f:22b8:cb0b with SMTP id l16-20020a02a890000000b0033f22b8cb0bmr4414472jam.136.1659257240140; Sun, 31 Jul 2022 01:47:20 -0700 (PDT) Date: Sun, 31 Jul 2022 01:47:20 -0700 In-Reply-To: <20220731082711.724-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000063c6a105e515ee67@google.com> Subject: Re: [syzbot] INFO: rcu detected stall in __hrtimer_run_queues From: syzbot To: hdanton@sina.com, linux-kernel@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 has tested the proposed patch but the reproducer is still triggering an issue: WARNING in __cfg80211_ibss_joined ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8 at net/wireless/ibss.c:36 __cfg80211_ibss_joined+0x487/0x520 net/wireless/ibss.c:36 Modules linked in: CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Workqueue: cfg80211 cfg80211_event_work RIP: 0010:__cfg80211_ibss_joined+0x487/0x520 net/wireless/ibss.c:36 Code: 0f 0b e9 0c fe ff ff e8 87 19 75 f9 e9 41 fc ff ff e8 5d 19 75 f9 e9 7d fc ff ff e8 73 19 75 f9 e9 0d ff ff ff e8 79 51 32 f9 <0f> 0b e9 7e fc ff ff e8 6d 51 32 f9 0f 0b e8 66 19 75 f9 e9 e4 fb RSP: 0018:ffffc90000cd7bd8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888028288bd0 RCX: 0000000000000000 RDX: ffff888010d25340 RSI: ffffffff88408257 RDI: 0000000000000000 RBP: ffff888028288000 R08: 0000000000000001 R09: ffffffff8ee66807 R10: fffffbfff1dccd00 R11: 0000000000000000 R12: 1ffff9200019af7d R13: ffff888011916918 R14: 0000000000000000 R15: 0000000000000006 FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005680c0 CR3: 000000001aeb4000 CR4: 0000000000350ee0 Call Trace: cfg80211_process_wdev_events+0x3de/0x5b0 net/wireless/util.c:977 cfg80211_process_rdev_events+0x6e/0x100 net/wireless/util.c:1003 cfg80211_event_work+0x1a/0x20 net/wireless/core.c:322 process_one_work+0x98d/0x15f0 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 Tested on: commit: f40ddce8 Linux 5.11 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=16ff72fe080000 kernel config: https://syzkaller.appspot.com/x/.config?x=3565439810a4d2e5 dashboard link: https://syzkaller.appspot.com/bug?extid=de9526ade17c659d8336 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=16978a82080000