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openwpm / OpenWPM

A web privacy measurement framework
https://openwpm.readthedocs.io
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request_id in callstacks is inconsistent #992

Open nrllh opened 2 years ago

nrllh commented 2 years ago

In some cases, I can't find a corresponding request for a request_id in callstacks. I don't know how and why. But you can reproduce the issue if you visit ndemir.com/foos/diff.html.

I see a callstack with a request_id 30 but a request with that ID does not exist in the table http_request. Am I missing something or is that a bug?

vringar commented 2 years ago

This should only happen if the browser is unable to establish a HTTP connection. But that is obviously not the case with your website. So I'm assuming this is a bug. I'll try to reproduce it after getting on the latest Firefox version. I'm assuming it's Firefox and the WebExtension, because I don't really see how this disconnect could happen in the WebExtension.

vringar commented 2 years ago

Thanks for the report btw.