From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f206.google.com (mail-il1-f206.google.com [209.85.166.206]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8E6FE31A83 for ; Sat, 25 May 2024 11:48:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716637704; cv=none; b=BmNYBXHe1E0h+GPkT4rbbLSmnKl7yQYpUMzgq0P5mK/JZEDFT9NNrYPphHSMdmDQIPcFKAY1pkC89KvDolVxOIHHZkt7m0CygvVoGtueGKEIlHA1Wk/l3Oeq826y2HJPd1CFu23jx/ePZsVOmrbVR3dJhUGI+1fVFd4EyGSNLLE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716637704; c=relaxed/simple; bh=0qbYg6aOqdNGPthjuPeNfOsUkCVqJnS1vSrM7z/Xv4I=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Am2Js5mCM5BWZHqyD0i9EG8F8tX91bpGeiVP1vSmV0tigKw2jypE1IkfbGGVW/oJ3mJ3OyUVvKa1hxvmx/BP1fY8uGdIvZgxMzOx/Nbgm2YTze5+IuUiFijwNEYHCB097LqDcWQ0W/olWusCXd6Ac67/bkENcuMpX7yElAy0/Zs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.206 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f206.google.com with SMTP id e9e14a558f8ab-3737b3276a0so19357345ab.3 for ; Sat, 25 May 2024 04:48:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716637702; x=1717242502; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Ktky9nzPSQla9DzbbACpPeWbHWXchC8XncDgsXpz46k=; b=F+TMCvqdeBKFbwtRhYXQGO8h2cvbuY6kk3CWpQz3ypoXOlmGxq4jMJcAu85B2FJuIs J6uyZZFo6qzfkOJQA5HRxU8FA+rJW96FtiH2qk3ZArrBFfoRN6x8HT4F6Vq7mXoMpb/Y WnqZD9Lo6u6Gd9AF+oyMot7stbP63yA2WFMdLDo5ihFyJ9oxirKFsgCayaW7xSkdjO3N WbmjPPEgjtqRKtOdF02r9xc0bqrn3hpEwBq9Awp+b7ZTJqvAZ1Qy3mEahor9d2/l+JAG eRKKWTHoziAY5SzqIlxUnOyE7vsh8oReu5dnkb89oE8KOqR1P6rec4JM7s0EVlNcCh6i snPg== X-Forwarded-Encrypted: i=1; AJvYcCWtHV+ZThwUIOhpznMbyOmj2JZxKONbR4RpdMNzke9BuJ2+WL0GbivcbIajmAKf63z3HWdzw1xX4AjE1vzeN2QVhpSFikZc X-Gm-Message-State: AOJu0YzGEAK4cGr2kt2nXaMBrQtYXYMUKQX5DcLLFed7aU3YRKcMJEl3 Qqvs3a7Fd5y2NPtcsH9BAJdmMdmnfuwiSgV7aWNw2e4rJ2uFNeDiWX2wSVIs8vGURnKz/Ac6aEF b7RqKf95lIrH9L2xXWPivgrXdafXOWR5ONH63s78CJedPJ4E6lroHCtk= X-Google-Smtp-Source: AGHT+IGe8h11cGjjZ/CIXvDVFFpXTvnx6rQVT5A5q3eStHc8rVFExwNMB7uUTqrJn4pa+s0Y7nGEwLfY3g11+x4u1p2Qpo0nx90g Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c566:0:b0:36c:5228:462 with SMTP id e9e14a558f8ab-3737b31cb5fmr3359085ab.3.1716637702796; Sat, 25 May 2024 04:48:22 -0700 (PDT) Date: Sat, 25 May 2024 04:48:22 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007bc4a8061945dc37@google.com> Subject: [syzbot] [wireless?] INFO: task hung in regdb_fw_cb 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" Hello, syzbot found the following issue on: HEAD commit: 8f6a15f095a6 Merge tag 'cocci-for-6.10' of git://git.kerne.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12363a34980000 kernel config: https://syzkaller.appspot.com/x/.config?x=6be91306a8917025 dashboard link: https://syzkaller.appspot.com/bug?extid=9d8f809bfaab2e794297 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/02867060d65d/disk-8f6a15f0.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/4bb75fbf6fb1/vmlinux-8f6a15f0.xz kernel image: https://storage.googleapis.com/syzbot-assets/fd38cadddf33/bzImage-8f6a15f0.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+9d8f809bfaab2e794297@syzkaller.appspotmail.com INFO: task kworker/0:2:927 blocked for more than 143 seconds. Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:23760 pid:927 tgid:927 ppid:2 flags:0x00004000 Workqueue: events request_firmware_work_func Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x1796/0x4a00 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 regdb_fw_cb+0x82/0x1c0 net/wireless/reg.c:1017 request_firmware_work_func+0x1a4/0x280 drivers/base/firmware_loader/main.c:1167 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd70 kernel/workqueue.c:3393 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/0:5:5157 blocked for more than 143 seconds. Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0 --- 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup