Memory Leak / CPU Leak when calling specific websites

[ghost]

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Instruction on how to enable debug and html trace

Follow the instructions from this wiki page

Environment

FlareSolverr Version:
Latest

Docker: [yes/no]
yes

OS:
Centos 8.2

Last Working FlareSolverr Version:
None

Are you using a proxy or VPN? [yes/no]
no

Using Captcha Solver: [yse/no]
no

If using captcha solver, which one:

Description

[List steps to reproduce the error and details on what happens and what you expected to happen]

    static void Main(string[] args)
    {
        MainAsync().Wait();
    }

    static async Task MainAsync()
    {
        var handler = new ClearanceHandler("http://-snip-:8191/")
        {
            UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36",
            MaxTimeout = 60000,
        };

        var client = new HttpClient(handler);
        var content = await client.GetStringAsync("http://cfuam.audiograb.net/hit");
        Console.WriteLine(content);
    }

Logged Error Messages

[Place any relevant error messages you noticed from the logs here.]

[Make sure you attach the full logs with your personal information removed in case we need more information]

Screenshots

[Place any screenshots of the issue here if needed]

[abeloin]

Can reproduce on Chromium with puppeteer. Without it, it work.

[ngosang]

The issue is in the line const cfChallengeElem = await page.$(selector) The method never returns and the browser is running forever. I think it's time to refactor the code and remove some hacks...

[ngosang]

Fixed in FlareSolverr v1.2.1
https://github.com/FlareSolverr/FlareSolverr/releases/tag/v1.2.1