[MacPorts] #50339: webkit2-gtk @2.11.3_1: causes yelp to segfault on startup

15 Jan 2016

      #50339: webkit2-gtk @2.11.3_1: causes yelp to segfault on startup
----------------------+-------------------------
 Reporter:  devans@…  |      Owner:  jeremyhu@…
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:            |       Port:  webkit2-gtk
----------------------+-------------------------
 After upgrading webkit2-gtk to version @2.11.3_1 (r  ), yelp emits the
 following output on startup and segfaults
 {{{
 $ yelp
 1   0x1102f0c8f
 2   0x1102cb598
 3   0x10f471af1
 4   0x10f4c2c86
 5   0x10f4c2b18
 6   0x10f5e0e0d
 7   0x11220da8b
 8   0x1121fb5d0
 9   0x1121fb4c7
 10  0x10f5dc65b
 11  0x10f0366ae
 12  0x10f036646
 13  0x10f001234
 14  0x10f0010fa
 15  0x1121fc024
 16  0x1121fb691
 17  0x1121fb4c7
 18  0x1121fae66
 19  0x10f000bf8
 20  0x10f000534
 21  0x1121f5b57
 22  0x11220b2af
 23  0x11220bc22
 24  0x10f06f2e2
 25  0x112b49663
 26  0x112b4994d
 27  0x112b499a5
 28  0x1120f1ce2
 29  0x10f00460c
 30  0x7fff935a25ad
 31  0x1
 Segmentation fault: 11
 }}}

 running in the debugger yields

 {{{
 (lldb) run
 Process 5953 launched: '/opt/local/bin/yelp' (x86_64)
 1   0x1012d1c8f
 2   0x1012ac598
 3   0x100452af1
 4   0x1004a3c86
 5   0x1004a3b18
 6   0x1005c1e0d
 7   0x1031c6a8b
 8   0x1031b45d0
 9   0x1031b44c7
 10  0x1005bd65b
 11  0x10003b6ae
 12  0x10003b646
 13  0x10000a234
 14  0x10000a0fa
 15  0x1031b5024
 16  0x1031b4691
 17  0x1031b44c7
 18  0x1031b3e66
 19  0x100009bf8
 20  0x100009534
 21  0x1031aeb57
 22  0x1031c42af
 23  0x1031c4c22
 24  0x10006d2e2
 25  0x103afa663
 26  0x103afa94d
 27  0x103afa9a5
 28  0x1030aace2
 29  0x10000d60c
 30  0x7fff935a25ad
 Process 5953 stopped
 * thread #1: tid = 0x118ff1, 0x00000001012a72c4
 libwebkit2gtk-4.0.37.dylib`WTFCrash + 62, queue = 'com.apple.main-thread',
 stop reason = EXC_BAD_ACCESS (code=1, address=0xbbadbeef)
     frame #0: 0x00000001012a72c4 libwebkit2gtk-4.0.37.dylib`WTFCrash + 62
 libwebkit2gtk-4.0.37.dylib`WTFCrash:
 ->  0x1012a72c4 <+62>: movl   $0x0, (%rax)
     0x1012a72ca <+68>: ud2

 libwebkit2gtk-4.0.37.dylib`WTFCrashWithSecurityImplication:
     0x1012a72cc <+0>:  pushq  %rbp
     0x1012a72cd <+1>:  movq   %rsp, %rbp
 (lldb) bt
 * thread #1: tid = 0x118ff1, 0x00000001012a72c4
 libwebkit2gtk-4.0.37.dylib`WTFCrash + 62, queue = 'com.apple.main-thread',
 stop reason = EXC_BAD_ACCESS (code=1, address=0xbbadbeef)
   * frame #0: 0x00000001012a72c4 libwebkit2gtk-4.0.37.dylib`WTFCrash + 62
     frame #1: 0x00000001012d170b
 libwebkit2gtk-4.0.37.dylib`WTF::ThreadIdentifierData::initialize(unsigned
 int) + 63
     frame #2: 0x00000001012d1c8f
 libwebkit2gtk-4.0.37.dylib`WTF::currentThread() + 44
     frame #3: 0x00000001012ac598
 libwebkit2gtk-4.0.37.dylib`WTF::initializeMainThread() + 28
     frame #4: 0x0000000100452af1
 libwebkit2gtk-4.0.37.dylib`WebKit::InitializeWebKit2() + 14
     frame #5: 0x00000001004a3c86
 libwebkit2gtk-4.0.37.dylib`WebKit::WebPreferences::WebPreferences(WTF::String
 const&, WTF::String const&, WTF::String const&) + 28
     frame #6: 0x00000001004a3b18
 libwebkit2gtk-4.0.37.dylib`WebKit::WebPreferences::create(WTF::String
 const&, WTF::String const&, WTF::String const&) + 56
     frame #7: 0x00000001005c1e0d
 libwebkit2gtk-4.0.37.dylib`_WebKitSettingsPrivate::_WebKitSettingsPrivate()
 + 85
     frame #8: 0x00000001031c6a8b
 libgobject-2.0.0.dylib`g_type_create_instance + 662
     frame #9: 0x00000001031b45d0
 libgobject-2.0.0.dylib`g_object_new_internal + 52
     frame #10: 0x00000001031b44c7
 libgobject-2.0.0.dylib`g_object_new_valist + 961
     frame #11: 0x00000001005bd65b
 libwebkit2gtk-4.0.37.dylib`webkit_settings_new_with_settings + 164
     frame #12: 0x000000010003b6ae
 libyelp.0.dylib`yelp_view_get_global_settings + 46
     frame #13: 0x000000010003b646 libyelp.0.dylib`yelp_view_new + 22
     frame #14: 0x000000010000a234 yelp`window_construct + 132
     frame #15: 0x000000010000a0fa yelp`yelp_window_set_property + 106
     frame #16: 0x00000001031b5024
 libgobject-2.0.0.dylib`object_set_property + 358
     frame #17: 0x00000001031b4691
 libgobject-2.0.0.dylib`g_object_new_internal + 245
     frame #18: 0x00000001031b44c7
 libgobject-2.0.0.dylib`g_object_new_valist + 961
     frame #19: 0x00000001031b3e66 libgobject-2.0.0.dylib`g_object_new +
 179
     frame #20: 0x0000000100009bf8 yelp`yelp_window_new + 40
     frame #21: 0x0000000100009534 yelp`application_uri_resolved + 244
     frame #22: 0x00000001031aeb57
 libgobject-2.0.0.dylib`_g_closure_invoke_va + 267
     frame #23: 0x00000001031c42af
 libgobject-2.0.0.dylib`g_signal_emit_valist + 1201
     frame #24: 0x00000001031c4c22 libgobject-2.0.0.dylib`g_signal_emit +
 134
     frame #25: 0x000000010006d2e2 libyelpcommon.dylib`resolve_final + 210
     frame #26: 0x0000000103afa663
 libglib-2.0.0.dylib`g_main_context_dispatch + 276
     frame #27: 0x0000000103afa94d
 libglib-2.0.0.dylib`g_main_context_iterate + 413
     frame #28: 0x0000000103afa9a5
 libglib-2.0.0.dylib`g_main_context_iteration + 55
     frame #29: 0x00000001030aace2 libgio-2.0.0.dylib`g_application_run +
 410
     frame #30: 0x000000010000d60c yelp`main + 156
     frame #31: 0x00007fff935a25ad libdyld.dylib`start + 1
     frame #32: 0x00007fff935a25ad libdyld.dylib`start + 1
 }}}

 After reverting to webkit2-gtk @2.11.3_0, yelp once again runs as
 expected.

 Observed running El Capitan 10.11.3 beta

-- 
Ticket URL: <https://trac.macports.org/ticket/50339>
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Ports system for OS X