gstreamer/subprojects
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
..
gst-devtools Back to development 2022-05-03 00:55:58 +01:00
gst-docs Back to development 2022-05-03 00:55:58 +01:00
gst-editing-services Back to development 2022-05-03 00:55:58 +01:00
gst-examples Back to development 2022-05-03 00:55:58 +01:00
gst-integration-testsuites Back to development 2022-05-03 00:55:58 +01:00
gst-libav Back to development 2022-05-03 00:55:58 +01:00
gst-omx Back to development 2022-05-03 00:55:58 +01:00
gst-plugins-bad webrtcbin: Reject answers that don't contain the same number of m-line as offer 2022-06-07 00:00:38 +00:00
gst-plugins-base playbin3: Configure combiner on pad-added if needed 2022-05-26 15:12:29 +00:00
gst-plugins-good gtk: Fix double-free when OpenGL can't be initialised 2022-06-07 18:17:46 +01:00
gst-plugins-ugly Back to development 2022-05-03 00:55:58 +01:00
gst-python Back to development 2022-05-03 00:55:58 +01:00
gst-rtsp-server Back to development 2022-05-03 00:55:58 +01:00
gstreamer basetransform: handle gst_base_transform_query_caps() returning NULL 2022-06-03 16:27:21 +00:00
gstreamer-sharp Back to development 2022-05-03 00:55:58 +01:00
gstreamer-vaapi vaapidecode,vaapipostproc: Disable DMAbuf from caps negotiation. 2022-05-25 18:13:48 +00:00
macos-bison-binary
win-flex-bison-binaries
win-nasm
avtp.wrap
bindinator.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
cairo.wrap meson: Build cairo subproject when unavailable on the system 2022-01-21 06:34:33 +00:00
dav1d.wrap
dssim.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
dv.wrap
expat.wrap
fdk-aac.wrap subprojects: fdk-aac: add fallback_url 2021-10-28 23:29:27 +00:00
FFmpeg.wrap wraps:ffmpeg: Move to 4.4 2021-10-15 02:32:40 +00:00
fontconfig.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
freetype2.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
fribidi.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
gl-headers.wrap
glib-networking.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
glib.wrap meson: Update subprojects to fix warnings 2022-01-25 14:25:19 +05:30
graphene.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
gst-plugins-rs.wrap subprojects: Switch gst-plugins-rs.wrap to the 0.8 branch for 1.20 2022-02-20 14:25:40 +00:00
gtk-sharp.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
harfbuzz.wrap
json-glib.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
lame.wrap subprojects/lame: Update to latest wrap 2022-01-28 02:01:39 +05:30
libdrm.wrap meson: Update subprojects to fix warnings 2022-01-25 14:25:19 +05:30
libffi.wrap
libjpeg-turbo.wrap
libmicrodns.wrap
libnice.wrap subprojects: Update libnice to 0.1.19 2022-05-04 14:04:09 +01:00
libopenjp2.wrap wrap: libopenjp2: use patch version 7 2021-10-22 19:47:27 +00:00
libpng.wrap subprojects/libpng: Update to latest wrap file 2022-01-28 02:01:39 +05:30
libpsl.wrap
libsoup.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
libwpe.wrap
libxml2.wrap
ogg.wrap subprojects: Update ogg and vorbis wraps 2021-10-19 17:42:21 +00:00
openh264.wrap
opus.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
orc.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
pango.wrap
pcre.wrap subprojects/pcre: Add the wrap so it's cached in the image 2022-01-28 02:01:39 +05:30
pixman.wrap meson: Update subprojects to fix warnings 2022-01-25 14:25:19 +05:30
proxy-libintl.wrap
pycairo.wrap
pygobject.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
sqlite3.wrap
vorbis.wrap subprojects: Update ogg and vorbis wraps 2021-10-19 17:42:21 +00:00
webrtc-audio-processing.wrap Pin all wrap files to closest tag or commit sha1 2021-10-14 22:34:49 +00:00
wpebackend-fdo.wrap
x264.wrap
zlib.wrap