[Webkit-unassigned] [Bug 166740] [GTK] WebProcess from patched WebKitGtk+ 2.15.2 receives BadAccess X Error

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=166740

--- Comment #1 from Andres Gomez Garcia <agomez at igalia.com> ---
Created attachment 300626
  --> https://bugs.webkit.org/attachment.cgi?id=300626&action=review
Another BT from gdb for the WebProcess

Also with Epiphany 3.22.5 and WebKit 2.15.4.

I'm running Epiphany with the dconf key:

"process-model" = "shared-secondary-process"

And the env variable:

"export G_DEBUG=fatal-criticals"

The compilation was done with CMake args:

'-DENABLE_THREADED_COMPOSITOR=OFF -DPORT=GTK -DCMAKE_BUILD_TYPE=Release -DENABLE_MINIBROWSER=ON -DCMAKE_C_FLAGS_RELEASE="-O0 -g -DNDEBUG  -DG_DISABLE_CAST_CHECKS" -DCMAKE_CXX_FLAGS_RELEASE="-O0 -g -DNDEBUG -DG_DISABLE_CAST_CHECKS"'

The WebProcess, eventually, receives a SIGTRAP.

---

The error in the terminal is:

(WebKitWebProcess:26855): Gdk-ERROR **: The program 'WebKitWebProcess' received an X Window System error.                                             
This probably reflects a bug in the program.                                                                                                          
The error was 'BadAccess (attempt to access private resource denied)'.                                                                                
  (Details: serial 1923949 error_code 10 request_code 130 (MIT-SHM) minor_code 1)                                                                     
  (Note to programmers: normally, X errors are reported asynchronously;                                                                               
   that is, you will receive the error a while after causing it.                                                                                      
   To debug your program, run it with the GDK_SYNCHRONIZE environment                                                                                 
   variable to change this behavior. You can then get a meaningful                                                                                    
   backtrace from your debugger if you break on the gdk_x_error() function.)

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