[Webkit-unassigned] [Bug 238494] New: REGRESSION(r290360): [GLX] Crash on process exit

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=238494

            Bug ID: 238494
           Summary: REGRESSION(r290360): [GLX] Crash on process exit
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Keywords: Gtk
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cgarcia at igalia.com
                CC: bugs-noreply at webkitgtk.org

After upgrading to webkitgtk 2.36.0 from 2.34 we have noticed a crash on ever exit
in all binaries using webkitgtk and reverting this commit fixes the issue.

I assume there is either a race or somethig gets called twice and it is trying
to destroy an already destroyed resource.

Backtrace:

#0  native () at /home/pobj/webkitgtk4-2.36.0/webkitgtk-2.36.0/Source/WebCore/platform/graphics/x11/PlatformDisplayX11.h:48
#1  sharedDisplay () at /home/pobj/webkitgtk4-2.36.0/webkitgtk-2.36.0/Source/WebCore/platform/graphics/x11/XUniqueResource.cpp:46
#2  deleteXResource () at /home/pobj/webkitgtk4-2.36.0/webkitgtk-2.36.0/Source/WebCore/platform/graphics/x11/XUniqueResource.cpp:79
#3  0x00000f5eea945e8c in reset () at /home/pobj/webkitgtk4-2.36.0/webkitgtk-2.36.0/Source/WebCore/platform/graphics/x11/XUniqueResource.h:86
#4  ~XUniqueResource () at /home/pobj/webkitgtk4-2.36.0/webkitgtk-2.36.0/Source/WebCore/platform/graphics/x11/XUniqueResource.h:77
#5  ~GLContextGLX () at /home/pobj/webkitgtk4-2.36.0/webkitgtk-2.36.0/Source/WebCore/platform/graphics/glx/GLContextGLX.cpp:341
#6  0x00000f5eea945f3f in ~GLContextGLX () at /home/pobj/webkitgtk4-2.36.0/webkitgtk-2.36.0/Source/WebCore/platform/graphics/glx/GLContextGLX.cpp:323
#7  0x00000f5eea955161 in operator() () at /usr/include/c++/v1/__memory/unique_ptr.h:57
#8  reset () at /usr/include/c++/v1/__memory/unique_ptr.h:318
#9  operator= () at /usr/include/c++/v1/__memory/unique_ptr.h:276
#10 ~PlatformDisplayX11 () at /home/pobj/webkitgtk4-2.36.0/webkitgtk-2.36.0/Source/WebCore/platform/graphics/x11/PlatformDisplayX11.cpp:76
#11 ~PlatformDisplayX11 () at /home/pobj/webkitgtk4-2.36.0/webkitgtk-2.36.0/Source/WebCore/platform/graphics/x11/PlatformDisplayX11.cpp:73
#12 0x00000f5ed8272df1 in _libc___cxa_finalize (dso=0x0) at /usr/src/lib/libc/stdlib/atexit.c:177
#13 0x00000f5ed826b1a1 in _libc_exit (status=0) at /usr/src/lib/libc/stdlib/exit.c:54
#14 0x00000f5c422ffa09 in _start ()

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