[Webkit-unassigned] [Bug 153302] New: [GTK] WebProcess from WebKitGtk+ 2.10.5 SIGUSR2 upon visiting http://maps.google.com

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=153302

            Bug ID: 153302
           Summary: [GTK] WebProcess from WebKitGtk+ 2.10.5 SIGUSR2 upon
                    visiting http://maps.google.com
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: agomez at igalia.com
                CC: bugs-noreply at webkitgtk.org

Created attachment 269440
  --> https://bugs.webkit.org/attachment.cgi?id=269440&action=review
BT from gdb

I'm using WebKitGtk+ with my own JHBuild setting:
https://github.com/tanty/jhbuild-epiphany/tree/master

Epiphany 3.18.0 and WebKit 2.10.5

I'm running Epiphany with the dconf key:

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

The compilation was done with CMake args:

'-DPORT=GTK -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_FLAGS_RELEASE="-O0 -g1 -DNDEBUG -DG_DISABLE_CAST_CHECKS" -DCMAKE_CXX_FLAGS_RELEASE="-O0 -g1 -DNDEBUG -DG_DISABLE_CAST_CHECKS"'

When going to http://maps.google.com, the tab gets stalled at around 90% loaded. WebKitWebProcess receives a SIGUSR2. When continuing, the tab never gets to the 100% load, it is unresponsive and no new tabs or old open ones work any more. Fortunately, it is possible to safely close the browser and restore the session.

The SIGUSR2 is received in different points of the code under different executions.

This bug is 100% reproducible.

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