From 987082ff913841815a4ff7428c9379cecc63a3c9 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 24 Apr 2016 12:30:20 +0200 Subject: [PATCH] avfilter/vf_drawtext: Check return code of load_glyph() Fixes segfault Fixes Ticket5347 Signed-off-by: Michael Niedermayer (cherry picked from commit 2e67a99fbc6b99315925de40fc6fa7161576be10) Signed-off-by: Michael Niedermayer --- libavfilter/vf_drawtext.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c index d20f8055c4..864ff63e8c 100644 --- a/libavfilter/vf_drawtext.c +++ b/libavfilter/vf_drawtext.c @@ -1174,7 +1174,9 @@ static int draw_text(AVFilterContext *ctx, AVFrame *frame, dummy.code = code; glyph = av_tree_find(s->glyphs, &dummy, glyph_cmp, NULL); if (!glyph) { - load_glyph(ctx, &glyph, code); + ret = load_glyph(ctx, &glyph, code); + if (ret < 0) + return ret; } y_min = FFMIN(glyph->bbox.yMin, y_min);