AuroraMiddleware/freetype
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[truetype] Fix memory leak.

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* src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Add initializers.
Fix typo in `goto' destination.

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9071
This commit is contained in:
Werner Lemberg 2018-06-25 18:50:00 +02:00
parent 589d1f0899
commit 207ca38fb5
2 changed files with 36 additions and 18 deletions
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11
ChangeLog
View File

@ -1,3 +1,14 @@
2018-06-25 Werner Lemberg <wl@gnu.org>
[truetype] Fix memory leak.
* src/truetype/ttgxvar.c (TT_Vary_Apply_Glyph_Deltas): Add initializers.
Fix typo in `goto' destination.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9071
2018-06-25 Werner Lemberg <wl@gnu.org>
* src/truetype/ttgxvar.c (tt_face_vary_cvt): Add initializers.

43
src/truetype/ttgxvar.c
View File

@ -3626,32 +3626,39 @@
FT_Outline* outline,
FT_UInt n_points )
{
FT_Stream stream = face->root.stream;
FT_Memory memory = stream->memory;
GX_Blend blend = face->blend;
FT_Error error;
FT_Stream stream = face->root.stream;
FT_Memory memory = stream->memory;
FT_Vector* points_org = NULL; /* coordinates in 16.16 format */
FT_Vector* points_out = NULL; /* coordinates in 16.16 format */
FT_Bool* has_delta = NULL;
FT_Error error;
FT_ULong glyph_start;
FT_UInt tupleCount;
FT_ULong offsetToData;
FT_ULong here;
FT_UInt i, j;
FT_Fixed* tuple_coords = NULL;
FT_Fixed* im_start_coords = NULL;
FT_Fixed* im_end_coords = NULL;
FT_UInt point_count, spoint_count = 0;
FT_ULong glyph_start;
FT_UInt tupleCount;
FT_ULong offsetToData;
FT_ULong here;
FT_UInt i, j;
FT_Fixed* tuple_coords = NULL;
FT_Fixed* im_start_coords = NULL;
FT_Fixed* im_end_coords = NULL;
GX_Blend blend = face->blend;
FT_UInt point_count;
FT_UInt spoint_count = 0;
FT_UShort* sharedpoints = NULL;
FT_UShort* localpoints = NULL;
FT_UShort* points;
FT_Fixed* deltas_x;
FT_Fixed* deltas_y;
FT_Fixed* point_deltas_x;
FT_Fixed* point_deltas_y;
FT_Fixed* deltas_x = NULL;
FT_Fixed* deltas_y = NULL;
FT_Fixed* point_deltas_x = NULL;
FT_Fixed* point_deltas_y = NULL;
if ( !face->doblend || !blend )
@ -3754,7 +3761,7 @@
" invalid tuple index\n" ));
error = FT_THROW( Invalid_Table );
goto Fail2;
goto Fail3;
}
else
FT_MEM_COPY(