TikTok: youtube-dl hangs after "Requesting Header"

• I’m reporting a broken site support issue
• I’ve verified that I’m running youtube-dl version 2021.12.17
• I’ve checked that all provided URLs are alive and playable in a browser
• I’ve checked that all URLs and arguments with special characters are properly quoted or escaped
• I’ve searched the bugtracker for similar bug reports including closed ones
• I’ve read bugs section in FAQ

Verbose log

$ youtube-dl -v 'https://vm.tiktok.com/ZMLesneqK/'
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', 'https://vm.tiktok.com/ZMLesneqK/']
[debug] Encodings: locale UTF-8, fs utf-8, out utf-8, pref UTF-8
[debug] youtube-dl version 2021.12.17
[debug] Python version 3.9.2 (CPython) - Linux-5.10.0-10-amd64-x86_64-with-glibc2.31
[debug] exe versions: ffmpeg 4.4, ffprobe 4.4, rtmpdump 2.4
[debug] Proxy map: {}
[generic] ZMLesneqK: Requesting header

Description

After Requesting header, youtube-dl hangs forever.

[Menard01]

To download tiktok videos, you have only to right click and “Download the video” #noobs (No need a youtube-dl here)

[fuzzy76]

@89z the one in the issue description.

fuzzy76@laptop ~ % youtube-dl -v --user-agent 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0' 'https://vm.tiktok.com/ZMLesneqK/'
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', '--user-agent', 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0', 'https://vm.tiktok.com/ZMLesneqK/']
[debug] Encodings: locale UTF-8, fs utf-8, out utf-8, pref UTF-8
[debug] youtube-dl version 2021.12.17
[debug] Python version 3.10.2 (CPython) - macOS-12.3.1-x86_64-i386-64bit
[debug] exe versions: ffmpeg 5.0.1, ffprobe 5.0.1, rtmpdump 2.4
[debug] Proxy map: {}
[generic] ZMLesneqK: Requesting header
[redirect] Following redirect to https://www.tiktok.com/@eddysayi/video/7054218882072055046?_d=secCgwIARCbDRjEFSACKAESPgo8Ny%2BRiWmH3OT6VFDDOKQe%2FjdU6QNg2QvER6kPZv8%2BV8iBx6SaSGyiLedX5PcIDqwq0EOwLe84aH6c7rDnGgA%3D&checksum=f558941cd65da22b6359be076ef87f6ffe1d4188d600d52331e2263cc6baa1a8&language=de&preview_pb=0&sec_user_id=MS4wLjABAAAAOkEM5UFx0tM8hhBkjW8D1xAadF1RU12kEXRBL0Kub2pz70wmTYEXuYh8MdtS57Vj&share_app_id=1233&share_item_id=7054218882072055046&share_link_id=EA78C111-0165-44E0-9A7F-D0FC02C4B110&source=h5_m&timestamp=1642491289&tt_from=copy&u_code=dh6jgh57j8hf20&user_id=6931555450693420037&utm_campaign=client_share&utm_medium=ios&utm_source=copy&_r=1
[TikTok] Setting up session
[TikTok] 7054218882072055046: Downloading webpage
ERROR: Unable to extract data; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
Traceback (most recent call last):
  File "/usr/local/Cellar/youtube-dl/2021.12.17/libexec/lib/python3.10/site-packages/youtube_dl/YoutubeDL.py", line 815, in wrapper
    return func(self, *args, **kwargs)
  File "/usr/local/Cellar/youtube-dl/2021.12.17/libexec/lib/python3.10/site-packages/youtube_dl/YoutubeDL.py", line 836, in __extract_info
    ie_result = ie.extract(url)
  File "/usr/local/Cellar/youtube-dl/2021.12.17/libexec/lib/python3.10/site-packages/youtube_dl/extractor/common.py", line 534, in extract
    ie_result = self._real_extract(url)
  File "/usr/local/Cellar/youtube-dl/2021.12.17/libexec/lib/python3.10/site-packages/youtube_dl/extractor/tiktok.py", line 110, in _real_extract
    page_props = self._parse_json(self._search_regex(
  File "/usr/local/Cellar/youtube-dl/2021.12.17/libexec/lib/python3.10/site-packages/youtube_dl/extractor/common.py", line 1012, in _search_regex
    raise RegexNotFoundError('Unable to extract %s' % _name)
youtube_dl.utils.RegexNotFoundError: Unable to extract data; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
fuzzy76@laptop ~ %