425ba1f4ab
[subset] fixes infinite loop in hb_set_get_max().
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Fixes https://oss-fuzz.com/testcase-detail/5363902507515904
2021-04-20 13:18:07 -06:00
ec4321068b
[subset] fix infinite loop caused by alloc failure in repacker.
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Fixes: https://oss-fuzz.com/testcase-detail/5609112151916544 .
2021-04-20 13:18:07 -06:00
0e845d973e
[subset] fix memory leak in repacker caused by failed alloc.
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Fixes: https://oss-fuzz.com/testcase-detail/5616763250278400 .
2021-04-20 13:18:07 -06:00
3fb62cdc14
[subset] fail on offset overflow in tables that we don't repack.
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Fixes: https://oss-fuzz.com/testcase-detail/5229304507138048
2021-04-19 17:01:05 -06:00
9dc9f0385d
[subset] fix for fuzzer testcase: https://oss-fuzz.com/testcase-detail/5858518134554624
2021-04-09 11:07:28 -06:00
4af5dacedc
[subset] add fuzzer testcase
2021-04-07 13:02:04 -06:00
64122b5a44
[subset] don't visit lookup if covered glyph set has failed.
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If covered glyph set is in error then the same lookup can be recursed into repeatedly potentially causing a fuzzer timeout. Fixes: https://oss-fuzz.com/testcase-detail/5416421032067072 .
2021-04-06 12:34:44 -06:00
71d6d15600
[subset] clamp distance to prevent shifting outside of the limits of int64.
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Fixes https://oss-fuzz.com/testcase-detail/4961171477233664 .
2021-04-06 11:48:39 -06:00
c5c13006a1
[subset] fix memory leaks found in https://oss-fuzz.com/testcase-detail/5179935334465536
2021-03-31 12:37:45 -06:00
adca4ce071
[subset] fixes https://oss-fuzz.com/testcase-detail/6173520787800064 .
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Caused by incorrect bounds check in glyph closure for context lookups.
2021-03-30 15:44:41 -06:00
752e393ad2
[subset] avoid calling clear on null pool set.
2021-03-30 15:12:52 -06:00
8741914a80
[subset] fix memory leak when map insert fails.
2021-03-29 18:02:32 -06:00
5b6da6d2f0
[subset] add fuzzer test case.
2021-03-29 17:41:07 -06:00
a804a0c903
[subset] add fuzzer test case.
2021-03-29 17:15:22 -06:00
f2d08578e7
[tests] Increase shape-fuzzer timeout
2021-03-16 01:15:40 +02:00
5ca353a2d0
[subset] fix heap buffer overflow found by fuzzer.
2021-02-16 12:43:02 -07:00
33a0f0b686
[test] Remove fuzzed test font that triggers virus alert
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Fixes https://github.com/harfbuzz/harfbuzz/issues/2750
2021-02-09 12:55:45 -07:00
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
a4c3732f59
[ENOMEM] fix set clear() causing corruption if the set is in_error().
2021-01-21 12:12:05 -07:00
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
bbbcad0dbb
Revert "[ENOMEM] don't perform set process operations if the other set is in an error state."
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This reverts commit f3929abafe
2020-09-16 12:23:38 -06:00
f3929abafe
[ENOMEM] don't perform set process operations if the other set is in an error state.
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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
8c3d4de796
[subset] Fix integer underflow in ContextFormat2.
2020-09-11 15:52:46 -07:00
9825e3dd2e
[ENOMEM] fix access to unitialized memory.
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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
1e48225ca3
[ENOMEM] Check whether serialize context isn't in error
2020-08-13 23:22:14 +04:30
6e32145dc9
[meson] Make compatbile with 0.47.0
2020-08-13 18:28:42 +04:30
9562239f05
[ENOMEM] check for error in lookup visited set.
2020-08-13 01:43:11 +04:30
6f754852c1
[ENOMEM] skip asserts in to_bias if serializer is in an error state.
2020-08-12 11:25:30 +04:30
057769b1a3
[fuzzer] minor
2020-08-12 02:40:55 +04:30
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
5193357832
Revert "Remove autotools build support"
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This reverts commit 01ac32aab2
2020-08-11 23:51:59 +04:30
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
01ac32aab2
Remove autotools build support
2020-08-07 23:28:12 +04:30
679fac87df
Skip hb_shape if buffer object is immutable
2020-08-06 23:47:35 +04:30
18ab8029d5
[ENOMEM] check vector status in cmap subsetting.
2020-08-02 00:30:17 +04:30
06dbb6acbb
[ENOMEM] in GSUB ChainContext subsetting check maps for allocation errors.
2020-08-01 09:21:22 +04:30
fb1477795c
[ENOMEM] Check result of vector resize in CBDT subsetting.
2020-08-01 09:20:52 +04:30
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
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
7f358a55f4
[ENOMEM] unchecked resize in CFF2.
2020-07-31 02:04:06 +04:30
32f052b033
[ENOMEM] Fix several instances of not checking resize in CFF.
2020-07-31 02:04:06 +04:30
15644ee60e
[ENOMEM] fix memory leak if allocation fails during pop_pack().
2020-07-30 04:15:35 +04:30
42237adffc
[ENOMEM] make serializer modification operations no-ops if it's in an error state.
2020-07-30 03:59:49 +04:30
4ba8e3c6fd
[ENOMEM] Fix failure to check calloc return.
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Fixes https://oss-fuzz.com/testcase-detail/6246465148813312 .
2020-07-30 00:08:08 +04:30
d307c24abf
[ENOMEM] check resize() return.
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Fixes https://oss-fuzz.com/testcase-detail/5641892164009984 .
2020-07-30 00:08:08 +04:30
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
c33e8006fd
[fuzz] Implement failing allocator
2020-07-29 07:35:34 +04:30
5c46683ab8
[fuzz] increase shape fuzzer timeout
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as https://circleci.com/gh/harfbuzz/harfbuzz/149203
2020-07-22 17:23:22 +04:30
945bcd7230
minor
2020-07-15 09:54:32 +04:30
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
Garret Rieger
Qunxin Liu
Khaled Hosny
Behdad Esfahbod
Khaled Hosny
ebraminio