[Webkit-unassigned] [Bug 175870] New: [GTK] webkit_web_resource_get_data_finish() returns NULL without setting the error

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Aug 22 20:25:59 PDT 2017


https://bugs.webkit.org/show_bug.cgi?id=175870

            Bug ID: 175870
           Summary: [GTK] webkit_web_resource_get_data_finish() returns
                    NULL without setting the error
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Major
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sfanxiang at gmail.com
                CC: bugs-noreply at webkitgtk.org

webkit_web_resource_get_data_finish() sometimes returns NULL without setting the error, causing a NULL dereference.

Because of this bug, Epiphany crashes if the user saves some special pages.

WebkitGTK+ version: 2.16.6

Error code:
https://trac.webkit.org/browser/webkit/trunk/Source/WebKit/UIProcess/API/glib/WebKitWebResource.cpp#L397

Example website that crashes Epiphany when saved:
https://archive.org/download/testmp3testfile/mpthreetest.mp3

Downstream bug:
https://bugzilla.gnome.org/show_bug.cgi?id=786592

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