Files
ffmpeg/libavfilter
Michael Niedermayer 2fd0577bc9 avfilter/vf_drawtext: avoid double-free of aliased FT_Glyph in glyph_enu_free
For glyphs whose source is already in bitmap form (color emoji fonts such
as NotoColorEmoji.ttf), FT_Glyph_To_Bitmap(..., destroy=0) returns the
input pointer unchanged. The result is that glyph->bglyph[idx] aliases
glyph->glyph (and analogously border_bglyph[t] may alias border_glyph).
glyph_enu_free then called FT_Done_Glyph on both, double-freeing the
underlying object.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 9efca1d946)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2026-06-14 04:40:58 +02:00
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