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Author SHA1 Message Date
Garret Rieger
bdb50f1c6e [repacker] Also rename api method from hb_subset_repack_or_fail -> hb_subset_serialize_or_fail. 2025-01-07 13:39:51 -07:00
Garret Rieger
056504168c [repacker] rename hb-subset-repacker -> hb-subset-serialize. 
Also hb_link_t and hb_object_t to hb_subset_serialize_link_t and hb_subset_serialize_object_t.
 2025-01-07 13:39:51 -07:00
Garret Rieger
5a6f5922dd [repacker] Promote repacking API to stable. 
For #227.
 2025-01-07 11:28:38 -07:00
Julien Nabet
e157205499 unused-parameter in test/fuzzing/hb-draw-fuzzer.cc 
../test/fuzzing/hb-draw-fuzzer.cc:19:28: error: unused parameter 'dfuncs' [-Werror,-Wunused-parameter]
_move_to (hb_draw_funcs_t *dfuncs, void *draw_data_,
                           ^
../test/fuzzing/hb-draw-fuzzer.cc:22:10: error: unused parameter 'user_data' [-Werror,-Wunused-parameter]
          void *user_data)
                ^
../test/fuzzing/hb-draw-fuzzer.cc:31:28: error: unused parameter 'dfuncs' [-Werror,-Wunused-parameter]
_line_to (hb_draw_funcs_t *dfuncs, void *draw_data_,
                           ^
../test/fuzzing/hb-draw-fuzzer.cc:34:10: error: unused parameter 'user_data' [-Werror,-Wunused-parameter]
          void *user_data)
                ^
../test/fuzzing/hb-draw-fuzzer.cc:44:33: error: unused parameter 'dfuncs' [-Werror,-Wunused-parameter]
_quadratic_to (hb_draw_funcs_t *dfuncs, void *draw_data_,
                                ^
../test/fuzzing/hb-draw-fuzzer.cc:46:15: error: unused parameter 'control_x' [-Werror,-Wunused-parameter]
               float control_x, float control_y,
                     ^
../test/fuzzing/hb-draw-fuzzer.cc:46:32: error: unused parameter 'control_y' [-Werror,-Wunused-parameter]
               float control_x, float control_y,
                                      ^
../test/fuzzing/hb-draw-fuzzer.cc:48:15: error: unused parameter 'user_data' [-Werror,-Wunused-parameter]
               void *user_data)
                     ^
../test/fuzzing/hb-draw-fuzzer.cc:58:29: error: unused parameter 'dfuncs' [-Werror,-Wunused-parameter]
_cubic_to (hb_draw_funcs_t *dfuncs, void *draw_data_,
                            ^
../test/fuzzing/hb-draw-fuzzer.cc:60:11: error: unused parameter 'control1_x' [-Werror,-Wunused-parameter]
           float control1_x, float control1_y,
                 ^
../test/fuzzing/hb-draw-fuzzer.cc:60:29: error: unused parameter 'control1_y' [-Werror,-Wunused-parameter]
           float control1_x, float control1_y,
                                   ^
../test/fuzzing/hb-draw-fuzzer.cc:61:11: error: unused parameter 'control2_x' [-Werror,-Wunused-parameter]
           float control2_x, float control2_y,
                 ^
../test/fuzzing/hb-draw-fuzzer.cc:61:29: error: unused parameter 'control2_y' [-Werror,-Wunused-parameter]
           float control2_x, float control2_y,
                                   ^
../test/fuzzing/hb-draw-fuzzer.cc:63:11: error: unused parameter 'user_data' [-Werror,-Wunused-parameter]
           void *user_data)
                 ^
../test/fuzzing/hb-draw-fuzzer.cc:73:31: error: unused parameter 'dfuncs' [-Werror,-Wunused-parameter]
_close_path (hb_draw_funcs_t *dfuncs, void *draw_data_,
                              ^
../test/fuzzing/hb-draw-fuzzer.cc:75:13: error: unused parameter 'user_data' [-Werror,-Wunused-parameter]
             void *user_data)
                   ^
16 errors generated.
 2024-10-06 22:48:37 +03:00
Khaled Hosny
cf1fdf1632 Drop autotools build 
Fixes https://github.com/harfbuzz/harfbuzz/issues/4720
 2024-06-27 15:28:38 +03:00
Behdad Esfahbod
49c8493f5c [test] Build with HB_MINI 
Also add CONFIG.md instructions for building configs with meson.

Fixes https://github.com/harfbuzz/harfbuzz/issues/4760
 2024-06-20 11:17:10 -07:00
Garret Rieger
0660a4d408 [subset] fix fuzzer found heap use after free in BASE subsetting. 2024-05-13 13:39:20 -07:00
Behdad Esfahbod
ba1f194a1d [gsubgpos] Reduce stack use in recursion 2024-05-02 16:37:51 -05:00
Garret Rieger
c84acc8e07 [subset] Fix fuzzer found memory leak. 
Fixes https://oss-fuzz.com/testcase-detail/6159925345583104.
 2024-04-09 08:41:32 -05:00
Garret Rieger
ef1f5c4e0c [subset] Re-use common Coverage subsetting function in PairPosFormat2. 
Was using an identical but less efficient version. Fixes fuzzer test case: https://oss-fuzz.com/testcase-detail/6151390002806784
 2024-01-08 15:34:45 -07:00
Garret Rieger
333946b00e [subset] Fix fuzzer timeout. 
Fixes https://oss-fuzz.com/testcase-detail/5458896606855168. Limit iteration over coverage in MarkLigPosFormat1 subsetting to the number of glyphs in the liga array.
 2023-09-28 14:22:51 -06:00
Qunxin Liu
9ceb800ac2 fuzzer fix https://oss-fuzz.com/testcase-detail/5842152921628672 
Access TupleVariationData through blob, because we don't sanitize
var_data
 2023-09-28 12:51:44 -06:00
Qunxin Liu
fd3eb2c672 fuzzer fix: https://oss-fuzz.com/testcase-detail/6032126569742336 2023-09-05 21:51:02 +03:00
Garret Rieger
a1f034eaac [repacker] fix fuzzer failure. 
Fixes: https://oss-fuzz.com/testcase-detail/6490945267564544
 2023-08-28 23:17:13 -04:00
Garret Rieger
ca906e8747 [repacker] fix fuzzer timeout. 
Corrects some mistakes in the handling of incoming_edges_ when memory allocation failures happen.
 2023-08-17 12:01:44 -06:00
Behdad Esfahbod
94d4283b12 [graph] Handle a malloc fail 
Fixes https://oss-fuzz.com/testcase-detail/4579249263345664
 2023-08-01 15:06:01 -06:00
Behdad Esfahbod
997986ab30 [subset/hvar] Error handling 
Fixes https://oss-fuzz.com/testcase-detail/5029952234586112
 2023-07-09 15:16:06 -06:00
Behdad Esfahbod
f60dbd906a Fix thinko 
Fixes https://oss-fuzz.com/testcase-detail/4787105656864768
 2023-07-08 16:21:24 -06:00
Behdad Esfahbod
25297408de [COLR] Fix PaintComposite sanitize timeout 
Was timing out after recent sanitize() change.

Fixes https://oss-fuzz.com/testcase-detail/5692635449524224
 2023-07-03 10:35:27 -06:00
Behdad Esfahbod
0cf759b0d4 [Glyph] Don't shift anchored Composite if phantom_only 
Fixes https://oss-fuzz.com/testcase-detail/5114131137822720
 2023-07-02 12:15:43 -06:00
Behdad Esfahbod
cc44b3bce0 [subset/cff1] Handle an error condition 
Fixes https://oss-fuzz.com/testcase-detail/5191907895279616
 2023-06-29 16:13:19 -06:00
Behdad Esfahbod
62f5ed461e [subset/cff] Fix an infinite loop 
Fixes https://oss-fuzz.com/testcase-detail/5419002026131456
 2023-06-28 12:04:28 -06:00
Behdad Esfahbod
347b944811 [null] Fix getting Crap(hb_bytes_t) 
Fixes https://oss-fuzz.com/testcase-detail/6187272924692480
 2023-06-26 18:10:36 -06:00
Behdad Esfahbod
6c4f975dcb Add a fuzzer font 2023-06-25 23:37:08 -06:00
Garret Rieger
db700b5670 [subset] fix fuzzer timeout. 
Fixes: https://oss-fuzz.com/testcase-detail/6681253479579648. Limits iteration of coverage table during MATH subset to valid glyphs.
 2023-06-13 08:42:36 -06:00
Behdad Esfahbod
2e6919d526 [subset/cff2] Error handling 
Fixes https://oss-fuzz.com/testcase-detail/4916785942757376
 2023-06-10 10:08:56 -06:00
Behdad Esfahbod
d08aee5a7e Add fuzzing test 2023-06-08 13:20:28 -06:00
Behdad Esfahbod
ada1e9a924 [graph/serialize] Handle empty blob 
Fixes https://oss-fuzz.com/testcase-detail/4877513265119232
 2023-06-06 14:46:47 -06:00
Behdad Esfahbod
a92b288e65 [serializer] Handle snapshotting when current is nullptr 
Happens with memory failure / fuzzing.

Fixes https://oss-fuzz.com/testcase-detail/6292420615340032
 2023-06-06 14:32:25 -06:00
Behdad Esfahbod
c2eaedd2cd [fuzzing] Add a test font 
From https://oss-fuzz.com/testcase-detail/5855710991482880
 2023-06-04 09:25:17 -06:00
Garret Rieger
f3b4d35f36 [subset] Fix fuzzer crash. 
https://oss-fuzz.com/testcase-detail/6608005089853440
 2023-05-30 18:56:48 +02:00
Garret Rieger
20c564bc76 [repacker] Fix fuzzer memory leak. 
https://oss-fuzz.com/testcase-detail/6419865171525632
 2023-05-27 01:16:46 +02:00
Garret Rieger
a652281ed6 [subset] Fix fuzzer timeout. 
Fixes https://oss-fuzz.com/testcase-detail/5979721620652032. Timeout was caused by degenerate map insert behaviour due to poor integer hash function. Presize the map to avoid it. Also fixes collect_mapping() for cmap format 13.
 2023-05-27 00:25:47 +02:00
Garret Rieger
db23be642f [subset] clamp head *Min/*Max values to fit within 16 bit signed int. 
Fixes fuzzer https://oss-fuzz.com/testcase-detail/4549472192692224.
 2023-05-01 20:28:58 -06:00
Garret Rieger
b3fed4fa64 [repacker] fix fuzzer found memory leak. 
Fixes https://oss-fuzz.com/testcase-detail/5196242811748352
 2023-04-27 17:18:47 -06:00
Garret Rieger
2175f5d050 [subset] Fix inefficient ItemVariationStore subsetting w/ retain_gids. 
ItemVariationStore is relying on the assumption that the inner_map is populated for all output glyphs, this is not true for subsetting operations with retain gids enabled. Fixes fuzzer timeout: https://oss-fuzz.com/testcase-detail/4575222591520768.
 2023-04-24 18:11:48 -06:00
Garret Rieger
647b024784 [subset] Fix fuzzer issue https://oss-fuzz.com/testcase-detail/6521393809588224 2023-04-18 13:21:46 -06:00
Garret Rieger
2cd81fdfb6 [subset] fix memory leak. 
Fixes fuzzer issue https://oss-fuzz.com/testcase-detail/6169920089227264
 2023-03-30 16:19:41 -06:00
Garret Rieger
be87200106 [subset] fix buffer overflow fuzzer reported issue. 2023-03-25 10:11:46 -04:00
Garret Rieger
79ae6b657f [subset] Fix fuzzer found memory leaks. 2023-03-25 10:11:46 -04:00
Garret Rieger
f0f7f22525 [subset] fix fuzzer found null deref. 
https://oss-fuzz.com/testcase-detail/5844352760152064
 2023-03-21 11:41:09 -06:00
Garret Rieger
3d05b96181 [subset] track which glyphs have allocated memory so we can clean up correctly. 
Fixes https://oss-fuzz.com/testcase-detail/5388270411579392
 2023-03-13 16:03:58 -06:00
Garret Rieger
7a87b17742 Check for failed subset input creation in the fuzzer. 2023-03-13 15:21:25 -06:00
Garret Rieger
28b05e1cb6 [subset] Fix memory leak in glyf subset. 
Fixes fuzzer issue: https://oss-fuzz.com/testcase-detail/6525813890875392.
 2023-03-08 17:02:04 -07:00
Garret Rieger
9286e12525 Don't subset a glyf table with an unknown format. 
Fixes fuzzer issue: https://oss-fuzz.com/testcase-detail/4875306193518592
 2023-03-08 14:51:54 -07:00
Behdad Esfahbod
2d33a6b4df [subset-fuzzer] Protect against overflow 
Fixes
https://github.com/harfbuzz/harfbuzz/issues/4137#issuecomment-1448994447
 2023-02-28 15:31:45 -07:00
Garret Rieger
c0fac016dc [subset] update the subset fuzzer to be able to reach instancing code. 2023-02-27 15:07:04 -07:00
Garret Rieger
918193ebf9 [subset] fix a class of fuzzer timeouts caused by large shared coverage tables. 
More acurately estimates the op count for CoverageFormat2 tables as the population size instead of the size in bytes.
 2023-02-22 16:57:39 -07:00
Behdad Esfahbod
64fa5cd482 [GPOS] Fix assert fail introduced recently 
Was introduced in 8708b9e081.

If these lookups are recursed to from (Chain)Context out-of-order,
it was possible that last_base > buffer->idx, in which case we
were attaching marks to a base after them... and an assertion
was failing fortunately.

Fixes https://oss-fuzz.com/testcase-detail/6377756666757120
 2023-02-07 15:52:53 -07:00
Garret Rieger
e4fff64ce3 [repacker] check duplicate() for success. 
Fixes fuzzer testcase https://oss-fuzz.com/testcase-detail/5475787333828608.
 2023-01-23 18:37:13 -07:00