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gstreamer/subprojects/gst-plugins-good/ext
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Bastien Nocera e37c462f87 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/2565>
2022-06-07 17:36:26 +02:00
..
aalib aatv: Fixes for rain-mode 2021-12-20 09:28:50 +00:00
adaptivedemux2 hlsdemux2: Adjust debug log level 2022-06-01 14:32:55 +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 Replace gst-i18n-*.h with gi18n-lib.h 2022-04-19 18:01:06 +00:00
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 17:36:26 +02:00
jack jack: Always use jack_free as specified by the docs 2022-05-28 11:34:23 +00:00
jpeg Replace gst-i18n-*.h with gi18n-lib.h 2022-04-19 18:01:06 +00:00
lame Replace gst-i18n-*.h with gi18n-lib.h 2022-04-19 18:01:06 +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 Replace gst-i18n-*.h with gi18n-lib.h 2022-04-19 18:01:06 +00:00
mpg123 mpg123: Add gapless playback support 2022-03-14 10:32:15 +02:00
pulse Replace gst-i18n-*.h with gi18n-lib.h 2022-04-19 18:01:06 +00:00
qt qmlglsrc: Fix deadlock when stopping 2022-04-06 10:54:51 +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: fix compiler warnings and bump req to libshout >= 2.4.2 2022-05-23 20:23:38 +01:00
soup soup: fix soup debug category 2022-06-02 12:55:13 +00:00
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 Replace gst-i18n-*.h with gi18n-lib.h 2022-04-19 18:01:06 +00:00
vpx vpxenc: enforce strictly increasing pts 2022-05-12 13:00:53 +02:00
wavpack Replace gst-i18n-*.h with gi18n-lib.h 2022-04-19 18:01:06 +00:00
meson.build New HLS, DASH and MSS adaptive demuxer elements 2022-04-18 14:11:23 +00:00