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adaptivedemux2: Fix memory leaks and use-after-free

Browse source 
Fix various small memory leaks, and an invalid
access to GstEvent after giving away the ref
via gst_pad_push_event()

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2676>
This commit is contained in:
Jan Schmidt 2022-06-24 02:54:22 +10:00 committed by GStreamer Marge Bot
parent 4b7622b377
commit 63d3ba4dfb
2 changed files with 14 additions and 4 deletions
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6
subprojects/gst-plugins-good/ext/adaptivedemux2/gstadaptivedemux.c
View file

@ -1163,6 +1163,9 @@ gst_adaptive_demux_handle_upstream_http_header (GQuark field_id,
g_free (date_string);
gst_adaptive_demux_clock_set_utc_time (demux->realtime_clock, utc_now);
g_date_time_unref (utc_now);
gst_date_time_unref (datetime);
}
}
}
@ -3669,10 +3672,11 @@ restart:
GstEvent *event = (GstEvent *) mo;
if (GST_EVENT_TYPE (event) == GST_EVENT_GAP)
slot->pushed_timed_data = TRUE;
gst_pad_push_event (slot->pad, event);
gst_pad_push_event (slot->pad, gst_event_ref (event));
if (GST_EVENT_IS_STICKY (event))
gst_event_store_mark_delivered (&track->sticky_events, event);
gst_event_unref (event);
} else if (GST_IS_BUFFER (mo)) {
GstBuffer *buffer = (GstBuffer *) mo;

12
subprojects/gst-plugins-good/ext/adaptivedemux2/gstadaptivedemuxutils.c
View file

@ -229,7 +229,7 @@ void
gst_adaptive_demux_loop_start (GstAdaptiveDemuxLoop * loop)
{
g_mutex_lock (&loop->lock);
if (loop->thread != NULL && !loop->stopped)
if (loop->thread != NULL)
goto done; /* Already running */
loop->stopped = FALSE;
@ -255,9 +255,10 @@ void
gst_adaptive_demux_loop_stop (GstAdaptiveDemuxLoop * loop, gboolean wait)
{
g_mutex_lock (&loop->lock);
loop->stopped = TRUE;
if (loop->loop != NULL) {
if (!loop->stopped) {
loop->stopped = TRUE;
GSource *s = g_idle_source_new ();
g_source_set_callback (s, (GSourceFunc) do_quit_cb,
gst_adaptive_demux_loop_ref (loop),
@ -269,6 +270,11 @@ gst_adaptive_demux_loop_stop (GstAdaptiveDemuxLoop * loop, gboolean wait)
while (loop->loop != NULL)
g_cond_wait (&loop->cond, &loop->lock);
}
if (loop->thread != NULL) {
g_thread_unref (loop->thread);
loop->thread = NULL;
}
}
g_mutex_unlock (&loop->lock);