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Code Issues 1 Projects Releases Wiki Activity

ccconverter: don't debug a potentially freed filter caps

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Fixes a use-after-free

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4011>
This commit is contained in:
Matthew Waters 2023-02-21 15:19:35 +11:00
parent 26dd6c5c26
commit 921c93a9af
1 changed files with 2 additions and 1 deletions
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3
subprojects/gst-plugins-bad/ext/closedcaption/gstccconverter.c
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@ -352,7 +352,6 @@ gst_cc_converter_transform_caps (GstBaseTransform * base,
tmp = gst_caps_intersect_full (filter, res, GST_CAPS_INTERSECT_FIRST); tmp = gst_caps_intersect_full (filter, res, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (res); gst_caps_unref (res);
gst_caps_unref (filter);
res = tmp; res = tmp;
} }
@ -363,6 +362,8 @@ gst_cc_converter_transform_caps (GstBaseTransform * base,
GST_DEBUG_OBJECT (self, "filter %" GST_PTR_FORMAT, filter); GST_DEBUG_OBJECT (self, "filter %" GST_PTR_FORMAT, filter);
GST_DEBUG_OBJECT (self, "to %" GST_PTR_FORMAT, res); GST_DEBUG_OBJECT (self, "to %" GST_PTR_FORMAT, res);
gst_clear_caps (&filter);
return res; return res;
} }