Bug#1112227: libwebkit2gtk-4.0-37: Gnome Online Accounts not working, shows error "Webkit encountered an internal error"

[Emilio Pozuelo Monfort]

On 31/10/2025 13:16, Adrian Bunk wrote:
> On Fri, Oct 31, 2025 at 11:05:46AM +0100, Emilio Pozuelo Monfort wrote:
>> Hi,
>>
>> On 02/09/2025 11:51, Adrian Bunk wrote:
>>> On Fri, Aug 29, 2025 at 01:30:05AM +0300, Konstantin Pokotilenko wrote:
>>>> В Чт, 28/08/2025 в 12:59 +0300, Adrian Bunk пишет:
>>>>> On Wed, Aug 27, 2025 at 10:08:05PM +0300, Konstantin Pokotilenko
>>>>> wrote:
>>>>>> В Ср, 27/08/2025 в 20:30 +0300, Adrian Bunk пишет:
>>>>>> ...
>>>>>>> Two additional questions:
>>>>>>> 1. Do you have an HTTP proxy configured?
>>>>>>> 2. If yes, using PAC (proxy auto-config)?
>>>>>>>
>>>>>>> I am asking since my guess is that the new WebKitGTK broke
>>>>>>> libproxy1-plugin-webkit, which is used for parsing PAC files.
>>>>>>
>>>>>> Thanks for quick response.
>>>>>>
>>>>>> No HTTP proxy used.
>>>>>>
>>>>>> I found out a simpler reproduction, it is to just run WebKit
>>>>>> example
>>>>>> browser: /usr/lib/x86_64-linux-gnu/webkit2gtk-4.0/MiniBrowser
>>>>>> ...
>>>>>
>>>>> That was helpful.
>>>>>
>>>>> Please check if you have libproxy1-plugin-networkmanager
>>>>> installed, and whether removing it fixes the issue.
>>>>
>>>> It was installed. Removing it fixes the issue.
>>>
>>> Emilio, I can reproduce this in bookworm by compiling webkit2gtk with
>>> libc++-16 there.
>>
>> Were you able to reproduce this on bullseye?
> 
> Yes:
> 
> $ /usr/lib/x86_64-linux-gnu/webkit2gtk-4.0/MiniBrowser
> WebKitNetworkProcess: /build/libproxy-cqqv9A/libproxy-0.4.17/libmodman/module_manager.hpp:58: std::vector<T*> libmodman::module_manager::get_extensions() const [with T = libproxy::network_extension]: Assertion `obj != NULL' failed.
> ERROR: WebKit encountered an internal error. This is a WebKit bug.
> ../Source/WebKit/WebProcess/Network/WebLoaderStrategy.cpp(577) : internallyFailedLoadTimerFired
> 
>> I am trying to, by installing
>> libproxy1-plugin-networkmanager, setting a proxy in NM (via PAC file or URL),
> 
> No proxy setting required.
> 
>> but I can't get MiniBrowser to crash.
> 
> MiniBrowser itself does not crash.
> 
> Does it show you a webpage or "WebKit encountered an internal error"?

With no proxy set, it shows me webkitgtk.org, and I can navigate just fine (e.g. 
go to the planet.webkitgtk.org link, or enter https://google.com).

Cheers,
Emilio