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120 Commits

Author SHA1 Message Date
Behdad Esfahbod 91d774712f [test] Add test for previous commit 2019-01-14 15:31:31 -05:00
Behdad Esfahbod 7a6686a589 [AAT] Fix mort ContextualSubtable offset access 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12312
 2019-01-14 15:09:14 -05:00
Behdad Esfahbod a3fa7d3336 [AAT] Fix ankr table access 
Fixes https://bugs.chromium.org/p/chromium/issues/detail?id=918340
 2019-01-14 14:37:36 -05:00
Michiharu Ariza 798e98c47b [CFF] bad offset in Index (#1476) 
* Update hb-ot-cff-common.hh

* fix bug

* bummer fix wasn't hit. refix

* additional sanity check

* Added test cases for oss-fuzz issues 11805, 11806
 2018-12-12 21:08:15 -05:00
Michiharu Ariza bcb4ecaf68 [CFF] check out of range FD index (#1477) 
* add fd index checks to subr subsetter

also added oss-fuzz test case

* undid SubrSubsetParam::is_valid

because already validated by SubrClosures.valid
 2018-12-12 20:36:01 -05:00
Michiharu Ariza 2941208f1e [CFF] oss-fuzz issue 11690 ASSERT: substr.offset >= opStart (#1461) 
* fix oss-fuzz 11690: substr.offset >= opStart

detect recursive subroutine call & handle as error

* fix build failure

* add minimized test case for oss-fuzz 11690

* removed asserts
 2018-12-11 15:21:24 -05:00
Michiharu Ariza ae087d10c2 add minimized test case for oss-fuzz issue 11714 2018-12-05 21:47:34 -08:00
Ebrahim Byagowi f95324a335
Merge pull request #1457 from harfbuzz/cff-varstore-sanitize 
[CFF] oss-fuzz issue 11713 (CFF2VariationStore::serialize)
 2018-12-06 08:33:44 +03:30
Michiharu Ariza 9d8f3b0dfb add minimized test case for oss-fuzz issue 11713 2018-12-05 17:14:51 -08:00
Michiharu Ariza 34e3ef8ff3 Merge branch 'master' into cff-subr-sanitize 2018-12-05 15:50:05 -08:00
Michiharu Ariza 72d8f76368 add minimized test case for oss-fuzz issue 11691 2018-12-05 15:49:11 -08:00
Behdad Esfahbod d9dabc00e9
Merge pull request #1454 from harfbuzz/cff-fixbcd 
[CFF] fix oss-fuzz issue 11674: parse_bcd
 2018-12-05 15:39:34 -08:00
Michiharu Ariza 6708c5595f fix oss-fuzz issue 11675 (ASSERT: count <= str.len) 
Also added an additional error check to avail ()
 2018-12-05 12:51:18 -08:00
Michiharu Ariza 010e2ddb38 minimized test case for oss-fuzz issue 11674 2018-12-05 12:23:58 -08:00
Ebrahim Byagowi 79e7e3445e
Merge pull request #1449 from harfbuzz/cff-fixcharset 
[CFF] fix for oss-fuzz 11657: Charset overrun
 2018-12-05 13:25:18 +03:30
Ebrahim Byagowi cf4b7db6b1
Merge pull request #1448 from harfbuzz/cff-leak 
[CFF] fix leak: oss-fuzz 11662
 2018-12-05 13:23:23 +03:30
Michiharu Ariza 32cc46c75a [CFF] fix oss-fuzz issue 11670: NULL dereference (#1450) 
* guard against no subr access

* code tweak

* add minimized testcase for oss-fuzz 11670 (Null deference)
 2018-12-05 09:02:34 +03:30
Michiharu Ariza 78f639b8bf added minimized testcase for oss-fuzz issue 11657 2018-12-04 14:17:03 -08:00
Michiharu Ariza b61f74f69a added minimized test case for oss-fuzz issue 11662 2018-12-04 10:30:35 -08:00
Michiharu Ariza 9424e80526 added minimized test cases 2018-12-03 16:18:10 -08:00
Behdad Esfahbod 84efe0438e [aat] Fix division sign fallout 
Happened after 11d2f49af8
since now nClasses is unsigned int...
 2018-12-02 12:39:14 -05:00
Behdad Esfahbod 1204a247a5 [fuzzing] Add tests for previous commit 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11526
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11522
 2018-11-24 09:49:21 -05:00
Behdad Esfahbod 2c8188bf59 [kerx] Make sure subtables are non-zero-length 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11400
 2018-11-22 22:02:19 -05:00
Garret Rieger 8982830d3e [subset] add fuzzer testcase. 2018-11-22 21:30:01 -05:00
Behdad Esfahbod 5212cd8af2 [fuzzing] Add new test 2018-11-12 14:25:18 -05:00
Behdad Esfahbod d6666b3866 [fuzzing] Remove limited-edition build of libraries 
Use normal, production, shared libraries.

Fixes https://github.com/harfbuzz/harfbuzz/issues/1237
 2018-11-12 13:21:14 -05:00
Behdad Esfahbod a549aa14a0 [kerx] Protect against stack underflow 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11367
 2018-11-12 13:02:39 -05:00
Behdad Esfahbod 752bd8a192 [kerx] Fix Format1 tupleKern sanitization 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11312
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11305
 2018-11-10 21:13:32 -05:00
Behdad Esfahbod f9e0552deb [fuzzing] Make "make lib" faster and more usable 2018-11-10 21:06:56 -05:00
Behdad Esfahbod 3a9fa8c026 [qsort] Fix O(N^2) behavior if all array elements are the same 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11327

Reported as https://github.com/noporpoise/sort_r/issues/7
 2018-11-10 01:58:26 -05:00
Behdad Esfahbod 0bf76154f1 [fuzzing] Take whatever text we can 2018-11-07 19:12:27 -05:00
Behdad Esfahbod 8790b2740a [fuzzing] Fix test 2018-11-06 10:24:54 -05:00
Behdad Esfahbod 3af0a7edd0 [fuzzing] Add make check-valgrind 2018-11-06 10:20:57 -05:00
Behdad Esfahbod 6482fda519 [fuzzing] Fuzz glyph-id etc in test-ot-face 2018-11-05 15:03:18 -05:00
Behdad Esfahbod bce437cf0b [test] Call test-ot-face.c test from hb-shape-fuzzer 
Should increase coverage...
 2018-11-04 02:53:25 -05:00
Ebrahim Byagowi c560ca9251
[fuzz] A new testcase 2018-11-03 13:03:36 +03:30
Behdad Esfahbod 69297bb216 [fuzzing] Call hb-ot-color API 2018-10-30 19:07:38 -07:00
Khaled Hosny 0af3d176a6 [sbix] Fix memory leak in early return 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11210
 2018-10-30 17:05:28 +02:00
Behdad Esfahbod ad3cededdd [fuzzing] Make test runners less verbose 2018-10-29 22:53:16 -07:00
Behdad Esfahbod 12058e44d1 [fuzzing] Add more test 2018-10-26 21:22:26 -07:00
Ebrahim Byagowi 0229eaea29
[fuzz] Add a found hb-subset testcase 2018-10-22 10:51:37 +03:30
Ebrahim Byagowi 9b3461574f
[fuzz] Add more testcases 
Fixed already but better to have anyway.

One didn't have minimized but it was only 164 B, so
 2018-10-21 11:37:38 +03:30
Behdad Esfahbod 217a3728b4 [fuzzing] Add more font 2018-10-20 20:39:56 -07:00
Ebrahim Byagowi d39acc5a95
[fuzzing] Add new testcases 2018-10-20 12:20:30 +03:30
Ebrahim Byagowi 964ae32aac
Run valgrind on run-shape-fuzzer only when RUN_VALGRIND is set (#1285) 2018-10-20 07:39:18 +03:30
Ebrahim Byagowi b7cef8cb1d Enable valgrind and dedicate a bot to it 2018-10-19 09:39:36 +03:30
Ebrahim Byagowi bccd09d6c7 Minor, tweak spaces on hb-shape-fuzzer.cc 2018-10-19 09:39:36 +03:30
Ebrahim Byagowi fbf665b307
[fuzz] Add more found cases (#1275) 2018-10-19 08:09:53 +03:30
Behdad Esfahbod b9478e28ac Revert "[test] Remove not-fixed yet testcases (#1268)" 
This reverts commit 191eef823f.
 2018-10-17 22:11:49 -07:00
Ebrahim Byagowi 191eef823f
[test] Remove not-fixed yet testcases (#1268) 
I added them but now that I think, it is a bad idea to have them as
fuzzing bots will find good seeds to tweak in order to find easy new
testcases which causes duplicated issues.
 2018-10-18 08:04:18 +03:30