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@@ -15,4 +15,5 @@ auto_ccs: | |
| - "[email protected]" | ||
| - "[email protected]" | ||
| - "[email protected]" | ||
| - "[email protected]" | ||
| main_repo: 'https://github.com/apache/arrow.git' | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| # Copyright 2025 Google LLC | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
| # | ||
| ################################################################################ | ||
|
|
||
| FROM gcr.io/oss-fuzz-base/base-builder-rust | ||
|
|
||
| # Clone ttf-parser project | ||
| RUN git clone https://github.com/RazrFalcon/ttf-parser ttf-parser | ||
| WORKDIR $SRC/ttf-parser | ||
|
|
||
| COPY build.sh $SRC/ | ||
| COPY fuzz $SRC/ttf-parser/fuzz |
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| #!/bin/bash -eu | ||
| # | ||
| # Copyright 2025 Google LLC | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
| # | ||
| ################################################################################ | ||
|
|
||
| # Build fuzzers | ||
| cargo fuzz build -O | ||
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|
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| find $SRC/ttf-parser/fuzz/target/x86_64-unknown-linux-gnu/release -maxdepth 1 -name fuzz-* \ | ||
| -type f -perm -u=x -exec cp {} $OUT \; | ||
|
|
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| target | ||
| corpus | ||
| artifacts | ||
| coverage |
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| [package] | ||
| name = "ttf-parser-fuzz" | ||
| version = "0.0.0" | ||
| publish = false | ||
| edition = "2018" | ||
|
|
||
| [package.metadata] | ||
| cargo-fuzz = true | ||
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|
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| [dependencies] | ||
| libfuzzer-sys = "0.4" | ||
| serde = "1.0" | ||
| serde_json = "1.0" | ||
| ttf-parser = { path = "..", features = ["apple-layout"] } | ||
|
|
||
| [[bin]] | ||
| name = "fuzz-base" | ||
| path = "fuzz_targets/fuzz-base.rs" | ||
| test = false | ||
| doc = false | ||
| bench = false | ||
|
|
||
| [[bin]] | ||
| name = "fuzz-aat" | ||
| path = "fuzz_targets/fuzz-aat.rs" | ||
| test = false | ||
| doc = false | ||
| bench = false | ||
|
|
||
| [[bin]] | ||
| name = "fuzz-cpal" | ||
| path = "fuzz_targets/fuzz-cpal.rs" | ||
| test = false | ||
| doc = false | ||
| bench = false | ||
|
|
||
| [[bin]] | ||
| name = "fuzz-table" | ||
| path = "fuzz_targets/fuzz-table.rs" | ||
| test = false | ||
| doc = false | ||
| bench = false | ||
|
|
||
| [[bin]] | ||
| name = "fuzz-table-with-builder" | ||
| path = "fuzz_targets/fuzz-table-with-builder.rs" | ||
| test = false | ||
| doc = false | ||
| bench = false | ||
|
|
||
| [[bin]] | ||
| name = "fuzz-glyph-index" | ||
| path = "fuzz_targets/fuzz-glyph-index.rs" | ||
| test = false | ||
| doc = false | ||
| bench = false | ||
|
|
||
| [[bin]] | ||
| name = "fuzz-outline" | ||
| path = "fuzz_targets/fuzz-outline.rs" | ||
| test = false | ||
| doc = false | ||
| bench = false | ||
|
|
||
| [[bin]] | ||
| name = "fuzz-variable-outline" | ||
| path = "fuzz_targets/fuzz-variable-outline.rs" | ||
| test = false | ||
| doc = false | ||
| bench = false |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,109 @@ | ||
| // Copyright 2025 Google LLC | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| #![no_main] | ||
|
|
||
| use libfuzzer_sys::fuzz_target; | ||
| use std::num::NonZeroU16; | ||
| use ttf_parser::{GlyphId, apple_layout::Lookup}; | ||
|
|
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| fn u16_to_u8_vec(data: &[u16]) -> Vec<u8> { | ||
| let mut u8_data = Vec::with_capacity(data.len() * 2); | ||
| for &value in data { | ||
| u8_data.push((value >> 8) as u8); | ||
| u8_data.push(value as u8); | ||
| } | ||
| u8_data | ||
| } | ||
|
|
||
| fuzz_target!(|data: &[u8]| { | ||
| // Skip this iteration if data not enough | ||
| if data.len() < 4 { | ||
| return; | ||
| } | ||
|
|
||
| let (format_data, rest) = data.split_at(2); | ||
| let format = u16::from_be_bytes([format_data[0], format_data[1]]); | ||
|
|
||
| let random_u16 = |data: &[u8], idx: usize| -> Option<u16> { | ||
| if data.len() > idx + 1 { | ||
| Some(u16::from_be_bytes([data[idx], data[idx + 1]])) | ||
| } else { | ||
| None | ||
| } | ||
| }; | ||
|
|
||
| let lookup_len = NonZeroU16::new(1).unwrap(); | ||
|
|
||
| // Use valid fromat 0 2 4 6 8 10 for fuzzing chioce | ||
| match format { | ||
| 0 => { | ||
| if let Some(value) = random_u16(rest, 0) { | ||
| let lookup_data = u16_to_u8_vec(&[0, value]); | ||
| if let Some(table) = Lookup::parse(lookup_len, &lookup_data) { | ||
| let _ = table.value(GlyphId(0)); | ||
| let _ = table.value(GlyphId(1)); | ||
| } | ||
| } | ||
| } | ||
| 2 => { | ||
| if let Some(segment_size) = random_u16(rest, 2) { | ||
| let lookup_data = u16_to_u8_vec(&[2, segment_size, 1]); | ||
| if let Some(table) = Lookup::parse(lookup_len, &lookup_data) { | ||
| let _ = table.value(GlyphId(118)); | ||
| let _ = table.value(GlyphId(5)); | ||
| } | ||
| } | ||
| } | ||
| 4 => { | ||
| if let Some(segment_size) = random_u16(rest, 2) { | ||
| let lookup_data = u16_to_u8_vec(&[4, segment_size, 1]); | ||
| if let Some(table) = Lookup::parse(lookup_len, &lookup_data) { | ||
| let _ = table.value(GlyphId(118)); | ||
| let _ = table.value(GlyphId(7)); | ||
| } | ||
| } | ||
| } | ||
| 6 => { | ||
| if let Some(segment_size) = random_u16(rest, 2) { | ||
| let lookup_data = u16_to_u8_vec(&[6, segment_size]); | ||
| if let Some(table) = Lookup::parse(lookup_len, &lookup_data) { | ||
| let _ = table.value(GlyphId(0)); | ||
| let _ = table.value(GlyphId(10)); | ||
| } | ||
| } | ||
| } | ||
| 8 => { | ||
| if let Some(glyph_count) = random_u16(rest, 2) { | ||
| let lookup_data = u16_to_u8_vec(&[8, 0, glyph_count]); | ||
| if let Some(table) = Lookup::parse(lookup_len, &lookup_data) { | ||
| let _ = table.value(GlyphId(0)); | ||
| let _ = table.value(GlyphId(5)); | ||
| } | ||
| } | ||
| } | ||
| 10 => { | ||
| if let Some(value_size) = random_u16(rest, 2) { | ||
| let lookup_data = u16_to_u8_vec(&[10, value_size, 0]); | ||
| if let Some(table) = Lookup::parse(lookup_len, &lookup_data) { | ||
| let _ = table.value(GlyphId(0)); | ||
| let _ = table.value(GlyphId(1)); | ||
| } | ||
| } | ||
| } | ||
| _ => { | ||
| // Ignore invliad format of 1 3 5 7 9 | ||
| } | ||
| } | ||
| }); |
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