Firefox Crashes(?) When Disconnecting from VPN

Firefox recently seems to be crashing randomly when I disconnect from VPN. At least I think it's crashing. This has maybe started a few weeks ago? What happens is that wh… (διαβάστε περισσότερα)

Firefox recently seems to be crashing randomly when I disconnect from VPN. At least I think it's crashing. This has maybe started a few weeks ago?

What happens is that when I disconnect from my VPN (ProtonVPN), I will randomly not be able to load any pages. If I go to any website, it will just get stuck loading forever. No timeout. I'm able to visit the browsers own pages like settings, some about: pages like about:performance, about:memory, etc.

Why I'm not sure if it's crashing is because the browser itself is not closing, I have to manually close the browser window. Once I close the window manually and wait a while, the crash reporter pops up. If I close the window manually then re-open it, theres a text prompt that shows up telling me Firefox is still open and if I want to close it to re-open Firefox.

I don't think it's the VPN's issue as when I disconnect from my VPN, applications other than Firefox work and have internet connectivity (a separate browser like Chrome, or discord, etc)

What I have tried:

  • new Firefox profile
  • Using Firefox Nightly
  • Various ProtonVPN settings (but I don't think its related to ProtonVPN)
  • Various Firefox network settings
  • Both Firefox and Firefox Nightly Open, when disconnecting VPN one would stop letting me reach sites but other wouldn't

I have the crash report details (from Firefox and Firefox Nightly) but unsure where best to upload or if it contains any sensitive data.

Maybe pasting this is fine? Both mention this at the last few lines of details: Winsock_LSP: Hyper-V RAW : 2 : 34 : 1 : 1 : 0x20026 : 0x8 : %SystemRoot%\system32\mswsock.dll :  : 1234191b-4bf7-4ca7-86e0-dfd7c32b5445

AF_UNIX : 2 : 1 : 1 : 0 : 0x20026 : 0x8 : %SystemRoot%\system32\mswsock.dll :  : a00943d9-9c2e-4633-9b59-0057a3160994 
MSAFD Tcpip [TCP/IPv6] : 2 : 23 : 1 : 6 : 0x20066 : 0x8 : %SystemRoot%\system32\mswsock.dll :  : f9eab0c0-26d4-11d0-bbbf-00aa006c34e4 
MSAFD Tcpip [UDP/IPv6] : 2 : 23 : 2 : 17 : 0x20609 : 0x8 : %SystemRoot%\system32\mswsock.dll :  : f9eab0c0-26d4-11d0-bbbf-00aa006c34e4 
MSAFD Tcpip [RAW/IPv6] : 2 : 23 : 3 : 0 : 0x20609 : 0xc : %SystemRoot%\system32\mswsock.dll :  : f9eab0c0-26d4-11d0-bbbf-00aa006c34e4 
MSAFD Tcpip [TCP/IP] : 2 : 2 : 1 : 6 : 0x20066 : 0x8 : %SystemRoot%\system32\mswsock.dll :  : e70f1aa0-ab8b-11cf-8ca3-00805f48a192 
MSAFD Tcpip [UDP/IP] : 2 : 2 : 2 : 17 : 0x20609 : 0x8 : %SystemRoot%\system32\mswsock.dll :  : e70f1aa0-ab8b-11cf-8ca3-00805f48a192 
MSAFD Tcpip [RAW/IP] : 2 : 2 : 3 : 0 : 0x20609 : 0xc : %SystemRoot%\system32\mswsock.dll :  : e70f1aa0-ab8b-11cf-8ca3-00805f48a192 
RSVP TCPv6 Service Provider : 2 : 23 : 1 : 6 : 0x22066 : 0x8 : %SystemRoot%\system32\mswsock.dll :  : 9d60a9e0-337a-11d0-bd88-0000c082e69a 
RSVP TCP Service Provider : 2 : 2 : 1 : 6 : 0x22066 : 0x8 : %SystemRoot%\system32\mswsock.dll :  : 9d60a9e0-337a-11d0-bd88-0000c082e69a 
RSVP UDPv6 Service Provider : 2 : 23 : 2 : 17 : 0x22609 : 0x8 : %SystemRoot%\system32\mswsock.dll :  : 9d60a9e0-337a-11d0-bd88-0000c082e69a 
RSVP UDP Service Provider : 2 : 2 : 2 : 17 : 0x22609 : 0x8 : %SystemRoot%\system32\mswsock.dll :  : 9d60a9e0-337a-11d0-bd88-0000c082e69a 
MSAFD L2CAP [Bluetooth] : 2 : 32 : 1 : 256 : 0x20006 : 0x8 : %SystemRoot%\system32\mswsock.dll :  : 9fc48064-7298-43e4-b7bd-181f2089792a 
MSAFD RfComm [Bluetooth] : 2 : 32 : 1 : 3 : 0x20026 : 0x8 : %SystemRoot%\system32\mswsock.dll :  : 9fc48064-7298-43e4-b7bd-181f2089792a

XPCOMSpinEventLoopStack: default: nsHttpConnectionMgr::Shutdown

And I also see this for maybe why the browser itself doesn't "crash" MozCrashReason: Shutdown hanging at step AppShutdownNetTeardown. Something is blocking the main-thread.

If it's okay to share the crash reports then I can add them.

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