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Code Issues 1 Projects Releases Wiki Activity
gstreamer/subprojects/gst-plugins-good/ext
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Bastien Nocera 1a12d1344e gtk: Fix double-free when OpenGL can't be initialised 
gtk_gl_area_get_error() doesn't return a copy of the error, but just the
error. If initialising OpenGL fails, then GtkGstGLWidget will consume
the error, and cause GTK to try and display freed memory.

==50914== Invalid read of size 8
==50914==    at 0x4C4CB8A: gtk_gl_area_draw_error_screen (gtkglarea.c:663)
==50914==    by 0x4C4CB8A: gtk_gl_area_draw (gtkglarea.c:687)
==50914==    by 0x4E061CA: gtk_widget_draw_internal (gtkwidget.c:7084)
==50914==    by 0x4BAEFB1: gtk_container_propagate_draw (gtkcontainer.c:3854)
==50914==    by 0x4D4B6BF: gtk_stack_render (gtkstack.c:2207)
==50914==    by 0x4BB4B03: gtk_css_custom_gadget_draw (gtkcsscustomgadget.c:159)
==50914==    by 0x4BBA4C4: gtk_css_gadget_draw (gtkcssgadget.c:885)
==50914==    by 0x4D4D780: gtk_stack_draw (gtkstack.c:2119)
==50914==    by 0x4E061CA: gtk_widget_draw_internal (gtkwidget.c:7084)
==50914==    by 0x4BAEFB1: gtk_container_propagate_draw (gtkcontainer.c:3854)
==50914==    by 0x4BAF0C3: gtk_container_draw (gtkcontainer.c:3674)
==50914==    by 0x4E061CA: gtk_widget_draw_internal (gtkwidget.c:7084)
==50914==    by 0x4BAEFB1: gtk_container_propagate_draw (gtkcontainer.c:3854)
==50914==  Address 0x187a0818 is 8 bytes inside a block of size 16 free'd
==50914==    at 0x48480E4: free (vg_replace_malloc.c:872)
==50914==    by 0x49A5B8C: g_free (gmem.c:218)
==50914==    by 0x49C1013: g_slice_free1 (gslice.c:1183)
==50914==    by 0x4990DE4: g_error_free (gerror.c:870)
==50914==    by 0x4990FE9: g_clear_error (gerror.c:1052)
==50914==    by 0x1A489780: _get_gl_context (gtkgstglwidget.c:540)
==50914==    by 0x1A4863CB: gst_gtk_invoke_func (gstgtkutils.c:39)
==50914==    by 0x49A3834: g_main_context_invoke_full (gmain.c:6137)
==50914==    by 0x1A486450: gst_gtk_invoke_on_main (gstgtkutils.c:59)
==50914==    by 0x1A48A29E: gtk_gst_gl_widget_init_winsys (gtkgstglwidget.c:632)
==50914==    by 0x1A4887E7: gst_gtk_gl_sink_start (gstgtkglsink.c:267)
==50914==    by 0x6579810: gst_base_sink_change_state (gstbasesink.c:5662)
==50914==  Block was alloc'd at
==50914==    at 0x484586F: malloc (vg_replace_malloc.c:381)
==50914==    by 0x49A9278: g_malloc (gmem.c:125)
==50914==    by 0x49C1BA5: g_slice_alloc (gslice.c:1072)
==50914==    by 0x49C3BCC: g_slice_alloc0 (gslice.c:1098)
==50914==    by 0x499096B: g_error_allocate (gerror.c:708)
==50914==    by 0x4990AF1: UnknownInlinedFun (gerror.c:722)
==50914==    by 0x4990AF1: g_error_copy (gerror.c:892)
==50914==    by 0x4C4B9F9: gtk_gl_area_set_error (gtkglarea.c:1036)
==50914==    by 0x4C4BAF7: gtk_gl_area_real_create_context (gtkglarea.c:346)
==50914==    by 0x4B21B28: _gtk_marshal_OBJECT__VOIDv (gtkmarshalers.c:2730)
==50914==    by 0x4920B78: UnknownInlinedFun (gclosure.c:893)
==50914==    by 0x4920B78: g_signal_emit_valist (gsignal.c:3406)
==50914==    by 0x4920CB2: g_signal_emit (gsignal.c:3553)
==50914==    by 0x4C4B927: gtk_gl_area_realize (gtkglarea.c:308)

Reproduced by running:
MESA_GL_VERSION_OVERRIDE=2.7 totem

See https://gitlab.gnome.org/GNOME/totem/-/issues/522

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2567>
2022-06-07 18:17:46 +01:00
..
aalib aatv: Fixes for rain-mode 2021-12-20 09:28:50 +00:00
cairo meson: Build cairo subproject when unavailable on the system 2022-01-21 06:34:33 +00:00
dv Move files from gst-plugins-good into the "subprojects/gst-plugins-good/" subdir 2021-09-24 16:13:50 -03:00
flac Move files from gst-plugins-good into the "subprojects/gst-plugins-good/" subdir 2021-09-24 16:13:50 -03:00
gdk_pixbuf Move files from gst-plugins-good into the "subprojects/gst-plugins-good/" subdir 2021-09-24 16:13:50 -03:00
gtk gtk: Fix double-free when OpenGL can't be initialised 2022-06-07 18:17:46 +01:00
jack jack: Always use jack_free as specified by the docs 2022-05-28 16:34:02 +01:00
jpeg jpegdec: Pull row_stride from GST_VIDEO_FRAME_PLANE_STRIDE() 2022-02-16 11:09:00 +00:00
lame meson: Don't build lame plugin with -Dlame=disabled 2022-02-16 03:58:02 +00:00
libcaca Move files from gst-plugins-good into the "subprojects/gst-plugins-good/" subdir 2021-09-24 16:13:50 -03:00
libpng Move files from gst-plugins-good into the "subprojects/gst-plugins-good/" subdir 2021-09-24 16:13:50 -03:00
mpg123 Move files from gst-plugins-good into the "subprojects/gst-plugins-good/" subdir 2021-09-24 16:13:50 -03:00
pulse Move files from gst-plugins-good into the "subprojects/gst-plugins-good/" subdir 2021-09-24 16:13:50 -03:00
qt qmlglsink: fix another resize case 2021-11-17 03:08:14 +00:00
raw1394 Move files from gst-plugins-good into the "subprojects/gst-plugins-good/" subdir 2021-09-24 16:13:50 -03:00
shout2 shout2: Add compatibility for libshout >= 2.4.2 2021-11-19 04:23:35 +05:30
soup soup: fix soup debug category 2022-06-03 10:39:01 +01:00
speex Move files from gst-plugins-good into the "subprojects/gst-plugins-good/" subdir 2021-09-24 16:13:50 -03:00
taglib id3v2mux: Map GST_TAG_MUSICBRAINZ_RELEASETRACKID 2021-11-22 09:57:16 +00:00
twolame Move files from gst-plugins-good into the "subprojects/gst-plugins-good/" subdir 2021-09-24 16:13:50 -03:00
vpx vpxenc: fix crash if encoder produces unmatching ts 2022-05-17 11:12:43 +02:00
wavpack Move files from gst-plugins-good into the "subprojects/gst-plugins-good/" subdir 2021-09-24 16:13:50 -03:00
meson.build Move files from gst-plugins-good into the "subprojects/gst-plugins-good/" subdir 2021-09-24 16:13:50 -03:00