Garret Rieger
5b6da6d2f0
[subset] add fuzzer test case.
2021-03-29 17:41:07 -06:00
Garret Rieger
a804a0c903
[subset] add fuzzer test case.
2021-03-29 17:15:22 -06:00
Qunxin Liu
95230e291d
[subset] support subsetting GSUB8
2021-03-29 15:54:11 -06:00
Garret Rieger
0104409959
Fix repack_tests for distcheck.
2021-03-17 15:53:58 -07:00
Garret Rieger
b8b8c58b9f
[subset] add tests that check for successful repacking of a real font file.
2021-03-17 15:53:58 -07:00
Qunxin Liu
56ca435787
[subset] fix for collect_features and remove_redundant_lamngsys
...
previously remove_redundant_sys () is missing in harfbuzz, after
redundant langsys removal, some features are removed as well in
prune_features() in fonttools. This change is trying to get the same
result between harfbuzz and fonttools.
2021-03-17 14:24:04 -07:00
Garret Rieger
69d772e522
[subset] Fixed test gsub5 test files.
2021-03-17 15:22:07 -06:00
Qunxin Liu
0e1c0fa404
[subset] optimize glyph closure method: step 5
...
add testcase and some fixes
2021-03-17 15:22:07 -06:00
Garret Rieger
1b79b8cd2d
[subset] update gpos tests to reflect updated behaviour.
2021-03-16 15:23:11 -07:00
Garret Rieger
b1b1486d07
[subset] update expected files to not include cmap12 pruning.
2021-03-16 14:49:35 -07:00
Garret Rieger
190b7a98f8
[subset] Update PairPosFormat2 subsetting to match fontTools updated subsetting ( https://github.com/fonttools/fonttools/pull/2221 )
...
- subset class def 1 against the coverage table.
- Don't re-use class 0 in class def 2.
- Ignore class 0 glyphs for the purposes of determing format 1 vs format 2 encoding for ClassDef.
Add an additional test case which demonstrates these issues.
2021-03-16 14:49:35 -07:00
Khaled Hosny
4c34478b28
Merge pull request #2899 from harfbuzz/ci-fix
...
[ci] Don’t install meson from its master branch
2021-03-16 10:37:49 +02:00
Khaled Hosny
f2d08578e7
[tests] Increase shape-fuzzer timeout
2021-03-16 01:15:40 +02:00
Behdad Esfahbod
15f3ef0136
[test] Fix output format
2021-03-15 16:01:35 -06:00
Khaled Hosny
7686ff854b
[ot] Keep substituted Default_Ignorables ( #2886 )
...
Don’t replace Default_Ignorables with zero-width space if they are
substituted or multiplied, not just when ligated.
After this change, HarfBuzz output matches that of Uniscribe and
CoreText for the new tests.
Fixes https://github.com/harfbuzz/harfbuzz/issues/2883
2021-03-04 13:09:32 -08:00
Behdad Esfahbod
fd489433a8
[indic] Fix cluster-merging logic with cluster-level=1
...
Was producing non-monotonic cluster numbers because our faulty logic
was not merging clusters if something from before base and after base
had switched positions.
Fixes https://github.com/harfbuzz/harfbuzz/issues/2272
2021-03-02 16:30:09 -07:00
Behdad Esfahbod
1c693e8c28
[test] Fix unused-var warning
2021-02-22 17:11:36 -07:00
justvanrossum
1551f3d518
fixing more expected test results
2021-02-19 16:53:21 -07:00
justvanrossum
79e4f436e7
Apply rounding correctly when calculating glyph extents for CFF and CFF2; adjust expected test results
2021-02-19 16:53:21 -07:00
justvanrossum
d01ebeae21
calculate extents based on scaled then rounded values; undo two of the earlier test result adjustments
2021-02-19 16:53:21 -07:00
justvanrossum
1d02e9c63b
two more adjusted expected extents results (still not convinced this is the right thing, though)
2021-02-19 16:53:21 -07:00
justvanrossum
cd0babe6a6
adjust expected test result
2021-02-19 16:53:21 -07:00
Behdad Esfahbod
d8ea552d10
[aat] Improve unsafe-to-break logic
...
Reduces false-positives. See comments for new logic.
Fixes https://github.com/harfbuzz/harfbuzz/issues/2860
Adjusts run-tests.sh to allow unhashed absolute filenames.
2021-02-19 16:23:22 -07:00
Garret Rieger
5ca353a2d0
[subset] fix heap buffer overflow found by fuzzer.
2021-02-16 12:43:02 -07:00
David Corbett
751ed68fee
[indic] Fix shaping of U+0B55 ORIYA SIGN OVERLINE
...
Fixes https://github.com/harfbuzz/harfbuzz/issues/2849
2021-02-14 12:47:34 -05:00
Garret Rieger
00d9276343
Add gpos9 expected files to Makefile.am
2021-02-11 13:41:31 -07:00
Garret Rieger
08a4997fde
[subset] Add subset support for Extension lookups (GPOS 9, GSUB 7).
2021-02-11 13:41:31 -07:00
Behdad Esfahbod
eb069f3948
[tests] Update expected output of recently-merged gpos5
...
The merged PR was from before landing this:
commit 7a72b20aa2
Author: Garret Rieger <grieger@google.com>
Date: Thu Sep 24 15:58:48 2020 -0700
[subset] Subset GDEF during layout subsetting tests.
2021-02-10 19:13:51 -07:00
Behdad Esfahbod
c7d232ce4e
Merge pull request #2701 from googlefonts/Mark-To-Ligature_grieger
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[subset] GPOS 5 MarkToLigature subsetting support
2021-02-10 18:13:38 -07:00
Khaled Hosny
554aaa0c5d
[build] Fix make distcheck
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A regression from 7b77ce0507
.
It was caught by the CI build in the PR, but apparently we are now used
to CI failures that they are effectively ignored.
Also, yay for multiple build systems.
2021-02-10 23:22:02 +02:00
Behdad Esfahbod
6a3fd94f3b
Merge pull request #2699 from googlefonts/gpos_8
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[subset] Add a more complex layout subsetting test case and fix the issues it exposed.
2021-02-09 20:49:04 -05:00
Behdad Esfahbod
33a0f0b686
[test] Remove fuzzed test font that triggers virus alert
...
Fixes https://github.com/harfbuzz/harfbuzz/issues/2750
2021-02-09 12:55:45 -07:00
Garret Rieger
f94bf9f06f
[set fuzzer] limit the total number of set members in a fuzzing input.
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Currently the fuzzer can create arbitarily long inputs which once big enough will trigger a timeout.
2021-01-26 10:22:07 -08:00
Garret Rieger
a4c3732f59
[ENOMEM] fix set clear() causing corruption if the set is in_error().
2021-01-21 12:12:05 -07:00
David Corbett
b2e7bb2a7c
Don’t map BCP 47 to coincidentally similar OT tag
2020-11-22 19:35:47 -08:00
David Corbett
17da41bd06
Update language system tag registry to OT 1.8.4
2020-11-18 11:13:35 -08:00
Khaled Hosny
c2cdcd4901
[tests] warning: unused variable 'num_glyphs'
2020-10-17 21:57:27 +02:00
David Corbett
0792690b73
[use] Skip WJ and ZWJ when clustering
2020-10-16 22:39:46 -07:00
Khaled Hosny
84dd65a874
[test] Remove timeout from test runners
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See https://github.com/harfbuzz/harfbuzz/issues/2707#issuecomment-707744079
This wasn’t inconsistent as well, HB_TEST_SUBSET_FUZZER_TIMEOUT defaulted
to 12 in the test runner, but it was overridden to 50 in meson.build,
and then meson has its own test timeout.
2020-10-15 00:49:02 -07:00
Khaled Hosny
fa771a7f85
[tests] Fix memory leak in test
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To make valgrind bot happy.
2020-10-11 13:15:39 -07:00
David Corbett
1d53268dfe
Fix two-way mapping of "man" and 'MNK '
2020-10-11 11:38:40 -07:00
Behdad Esfahbod
540d2cdddb
[tests/buffer] Revert unintended whitespace changes
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From 9e5538d6a3
Tried squashing into, but too much merge conflict.
2020-10-09 22:27:55 -06:00
Behdad Esfahbod
04658ec48f
[tests/buffer] Update tests for previous commit
2020-10-09 22:27:55 -06:00
Simon Cozens
7c0bc0bb92
Serialize invalid buffer to !! (text) or [] (json)
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There is no generic deserialize - you have to choose glyphs or unicode - so there is no way to deserialize this buffer.
2020-10-09 22:27:55 -06:00
Simon Cozens
150f391438
Prohibit mixed glyphs/unicode buffers in deserialization
2020-10-09 22:27:55 -06:00
Simon Cozens
3d3c87e7e7
Put the flags back in and serialize clusters.
...
Note that now JSON glyph buffers and Unicode buffers look very similar, except for the g/u property difference.
2020-10-09 22:27:55 -06:00
Simon Cozens
432a05b2af
(Simple) tests for Unicode serialization/deserialization
2020-10-09 22:27:55 -06:00
Garret Rieger
be33704c00
Add gpos 5 tests to meson build file.
2020-10-09 16:46:46 -07:00
Qunxin Liu
3a0b05faf1
[subset] GPOS 5 MarkToLigature subsetting support
2020-10-01 15:59:16 -07:00
Garret Rieger
010accb3d5
[subset] Add additional test cases for the Amiri tests.
2020-09-28 17:39:09 -07:00
Garret Rieger
3271a7cdaa
[subset] Remove redundant langys from Amiri test font.
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FontTools removes these when subsetting but harfbuzz does not yet support redundant langsys removal. So this gets the Amiri tests passing for now.
2020-09-28 16:46:15 -07:00
Garret Rieger
9fad540245
[subset] check that sub rules in ContextFormat 1 and 2 intersect the glyphs set before recursing during closure lookups.
2020-09-28 13:24:25 -07:00
Garret Rieger
7b77ce0507
[subset] Add subsetting integration test using Amiri.
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Demonstrates a failure in subsetting GPOS 8/GSUB 6.
2020-09-24 16:35:59 -07:00
Garret Rieger
7a72b20aa2
[subset] Subset GDEF during layout subsetting tests.
2020-09-24 15:58:48 -07:00
ebraminio
1f8b1e7f18
[ENOMEM] Return gracefully if stages isn't initialized correctly ( #2639 )
...
This happens if calls to 'm.lookups[table_index].push ()' has been
silently failed due to lack of memory.
This change just returns gracefully instead issuing the assert.
Fixes https://crbug.com/oss-fuzz/24494
2020-09-21 11:39:38 +03:30
Garret Rieger
bbbcad0dbb
Revert "[ENOMEM] don't perform set process operations if the other set is in an error state."
...
This reverts commit f3929abafe
.
2020-09-16 12:23:38 -06:00
Garret Rieger
f3929abafe
[ENOMEM] don't perform set process operations if the other set is in an error state.
...
Running a process while the other set is in an error state can potentially corrupt this sets map map (for example by overwritting all of the major values with 0).
2020-09-16 10:36:30 -07:00
Simon Cozens
584d3a43b2
Merge pull request #2681 from khaledhosny/myanmar-liga
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[myanmar] Don’t disable liga feature
2020-09-16 15:08:50 +01:00
Khaled Hosny
7d64b09765
[myanmar] Don’t disable liga feature
...
This seems to have been carried over from the Indic shaper, but
Uniscribe enables it by default.
See https://github.com/harfbuzz/harfbuzz/issues/2213#issuecomment-686062915
2020-09-12 21:45:19 +02:00
Garret Rieger
8c3d4de796
[subset] Fix integer underflow in ContextFormat2.
2020-09-11 15:52:46 -07:00
David Corbett
91fe20f0f5
Disambiguate OT tags when primary tag is not first
2020-09-08 09:20:00 -04:00
David Corbett
e3db84a9d0
[use] Test CGJ and ZWNJ
2020-09-02 15:51:15 -07:00
Garret Rieger
9825e3dd2e
[ENOMEM] fix access to unitialized memory.
...
If the serialize() call fails to write the object then we can't safely read varstore_prime fields. Fixes https://oss-fuzz.com/testcase-detail/5137462782066688 .
2020-09-02 11:01:07 -07:00
David Corbett
420a74f772
[USE] Fix assertion failure for joining scripts
2020-08-28 14:11:48 -04:00
ebraminio
1e48225ca3
[ENOMEM] Check whether serialize context isn't in error
2020-08-13 23:22:14 +04:30
Ebrahim Byagowi
6e32145dc9
[meson] Make compatbile with 0.47.0
2020-08-13 18:28:42 +04:30
Garret Rieger
9562239f05
[ENOMEM] check for error in lookup visited set.
2020-08-13 01:43:11 +04:30
Garret Rieger
6f754852c1
[ENOMEM] skip asserts in to_bias if serializer is in an error state.
2020-08-12 11:25:30 +04:30
Ebrahim Byagowi
057769b1a3
[fuzzer] minor
2020-08-12 02:40:55 +04:30
Ebrahim Byagowi
0417938011
[fuzzer] Mark alloc_state as unused
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It is really unused when failing-alloc isn't on.
2020-08-12 02:40:55 +04:30
Ebrahim Byagowi
5193357832
Revert "Remove autotools build support"
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This reverts commit 01ac32aab2
.
2020-08-11 23:51:59 +04:30
Ebrahim Byagowi
ffe06c8f04
[glyf] Guard all the public APIs against null pool runs
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Fixes https://crbug.com/oss-fuzz/24575 and https://crbug.com/oss-fuzz/24737
2020-08-08 13:43:49 +04:30
Ebrahim Byagowi
01ac32aab2
Remove autotools build support
2020-08-07 23:28:12 +04:30
Ebrahim Byagowi
679fac87df
Skip hb_shape if buffer object is immutable
2020-08-06 23:47:35 +04:30
Ebrahim Byagowi
ec17b62457
[var] Apply variations on empty glyphs
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It was ignoring empty glyphs for no good reason, this fixes it.
Fixes #2618
2020-08-06 20:16:11 +04:30
Garret Rieger
18ab8029d5
[ENOMEM] check vector status in cmap subsetting.
2020-08-02 00:30:17 +04:30
Garret Rieger
06dbb6acbb
[ENOMEM] in GSUB ChainContext subsetting check maps for allocation errors.
2020-08-01 09:21:22 +04:30
Garret Rieger
fb1477795c
[ENOMEM] Check result of vector resize in CBDT subsetting.
2020-08-01 09:20:52 +04:30
Ebrahim Byagowi
efd716de3f
[cff] Check for scalars array resize result
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Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24504
2020-07-31 09:27:27 +04:30
Garret Rieger
040ed094ef
[ENOMEM] popragate packed/packed_map errors to the serializer.
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Will disable further modifications based on a bad state.
2020-07-31 08:39:26 +04:30
Garret Rieger
7f358a55f4
[ENOMEM] unchecked resize in CFF2.
2020-07-31 02:04:06 +04:30
Garret Rieger
32f052b033
[ENOMEM] Fix several instances of not checking resize in CFF.
2020-07-31 02:04:06 +04:30
Garret Rieger
15644ee60e
[ENOMEM] fix memory leak if allocation fails during pop_pack().
2020-07-30 04:15:35 +04:30
Garret Rieger
42237adffc
[ENOMEM] make serializer modification operations no-ops if it's in an error state.
2020-07-30 03:59:49 +04:30
Garret Rieger
4ba8e3c6fd
[ENOMEM] Fix failure to check calloc return.
...
Fixes https://oss-fuzz.com/testcase-detail/6246465148813312 .
2020-07-30 00:08:08 +04:30
Garret Rieger
d307c24abf
[ENOMEM] check resize() return.
...
Fixes https://oss-fuzz.com/testcase-detail/5641892164009984 .
2020-07-30 00:08:08 +04:30
Ebrahim Byagowi
48ad745996
[ENOMEM] Fix buffer's content check logic
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So now rest of shape fuzzer also can be enabled.
Fixes #2571
2020-07-29 08:09:10 +04:30
Ebrahim Byagowi
c33e8006fd
[fuzz] Implement failing allocator
2020-07-29 07:35:34 +04:30
Ebrahim Byagowi
d38d63319b
[tests] minor
2020-07-27 09:19:29 +04:30
Ebrahim Byagowi
322426f8c8
[tests] Use TTFont of fonttools to avoid temp files
2020-07-27 09:12:43 +04:30
Hamidreza Bayat
08fef15818
Use fonttools's python package instead of cli
2020-07-27 09:09:06 +04:30
Ebrahim Byagowi
5c46683ab8
[fuzz] increase shape fuzzer timeout
...
as https://circleci.com/gh/harfbuzz/harfbuzz/149203
2020-07-22 17:23:22 +04:30
Ebrahim Byagowi
945bcd7230
minor
2020-07-15 09:54:32 +04:30
Ebrahim Byagowi
fa0436ddd1
[ENOMEM][fuzzer/subset] early return if the result is null
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I don't see _or_fail APIs idiomatic for the project but since it is there, let's have this
2020-07-15 09:52:40 +04:30
Ebrahim Byagowi
11d583a9ea
[aat] Consume glyph insertion from buffer's max_ops ( #2223 )
...
Glyph insertion is an expensive operation and we like to have it limited
based on buffer's input size which is handled by buffer's max_ops.
clusterfuzz-testcase-minimized-harfbuzz_fuzzer-5754958982021120:
Before the change: 0.67s user 0.00s system 99% cpu 0.674 total
After the change: 0.02s user 0.00s system 98% cpu 0.024 total
Which takes much longer on valgrind and tsan bots.
2020-07-13 18:53:06 -07:00
Ebrahim Byagowi
cd6f62d960
[meson] Raise timeout value of subset fuzzer testcases
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happens when tsan is enabled
2020-07-12 23:05:11 +04:30
Ebrahim Byagowi
e4f9969108
[ci] migrate to meson
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two bots, one bot here (distcheck) and one in travis still run autotools and
won't be removed till we decide about autotools
2020-07-08 19:18:31 +04:30
Ebrahim Byagowi
e04050e3b8
[meson] split fuzzer_ldflags before use
2020-07-08 01:06:30 +04:30
Ebrahim Byagowi
c5def34730
[meson] don't underscorify fuzzers names
2020-07-06 23:51:52 +04:30
Ebrahim Byagowi
d608f2ac85
[meson] Add fuzzer_ldflags
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As ots, https://github.com/khaledhosny/ots/commit/4d37b9b
2020-07-06 23:51:52 +04:30