Commit 9154707f6bc9592e0761376d3bf00ffc00275781
2022-11-07T16:58:56
[truetype] Check avar_segment before access * src/truetype/ttgxvar.c (tt_done_blend): check `avar_segment` before accessing to free its `correspondence`. Reported as: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=53062
diff --git a/src/truetype/ttgxvar.c b/src/truetype/ttgxvar.c
index 1bc8f9d..71ff20e 100644
--- a/src/truetype/ttgxvar.c
+++ b/src/truetype/ttgxvar.c
@@ -4500,9 +4500,12 @@
if ( blend->avar_table )
{
- for ( i = 0; i < num_axes; i++ )
- FT_FREE( blend->avar_table->avar_segment[i].correspondence );
- FT_FREE( blend->avar_table->avar_segment );
+ if ( blend->avar_table->avar_segment )
+ {
+ for ( i = 0; i < num_axes; i++ )
+ FT_FREE( blend->avar_table->avar_segment[i].correspondence );
+ FT_FREE( blend->avar_table->avar_segment );
+ }
tt_var_done_item_variation_store( face,
&blend->avar_table->itemStore );