add afl fuzz target

This commit is contained in:
Noah Hellman 2023-02-01 17:44:42 +01:00
parent 78987f7ba3
commit 28c2bfbe8c
6 changed files with 367 additions and 0 deletions

274
Cargo.lock generated
View file

@ -2,6 +2,280 @@
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View file

@ -18,6 +18,11 @@ exclude = [
"tests",
]
[workspace]
members = [
"tests/afl",
]
[features]
suite = [] # test suite
suite_bench = [] # bench test suite

View file

@ -25,6 +25,35 @@ bench:
ln -fs ../modules/djot.js/bench/$$f benches/$$f; \
done
AFL_TARGET?=gen
AFL_JOBS?=1
AFL_TARGET_CRASH?=crashes
afl:
rm -rf tests/afl/out
(cd tests/afl && \
cargo afl build --release --config profile.release.debug-assertions=true && \
(AFL_NO_UI=1 cargo afl fuzz -i in -o out -Mm ../../target/release/${AFL_TARGET} &) && \
for i in $$(seq $$((${AFL_JOBS} - 1))); do \
AFL_NO_UI=1 cargo afl fuzz -i in -o out -Ss$$i ../../target/release/${AFL_TARGET} & \
done; \
trap - EXIT;\
cat) # keep process alive for trap
afl_crash:
set +e; \
for f in $$(find tests/afl/out -path '*/${AFL_TARGET_CRASH}/id*'); do \
echo "cat $$f | RUST_BACKTRACE=1 cargo run"; \
out=$$(cat $$f | RUST_BACKTRACE=1 cargo run 2>&1); \
if [ $$? -ne 0 ]; then \
echo; \
echo "FAIL"; \
echo "$$out"; \
echo "cat $$f | RUST_BACKTRACE=1 cargo run"; \
exit 1; \
fi; \
done
clean:
cargo clean
git submodule deinit -f --all
@ -33,3 +62,4 @@ clean:
rm -f tests/bench/*.dj
(cd tests/bench && make clean)
rm -f benches/*.dj
rm -rf tests/afl/out

12
tests/afl/Cargo.toml Normal file
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@ -0,0 +1,12 @@
[package]
name = "jotdown-afl"
version = "0.1.0"
edition = "2021"
[dependencies]
afl = "0.11"
jotdown = { path = "../../" }
[[bin]]
name = "gen"
path = "src/gen.rs"

35
tests/afl/in/all.dj Normal file
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@ -0,0 +1,35 @@
{.class}
{#id}
{attr=value}
# heading
## sub heading
para
::: div-class
- list item
- indented list item
```lang
code block
```
:::
> blockquote
> > inner
> > inner
> outer
[tag]: url
[^footnote]: description
inline `verbatim` _emphasis_, *strong*, ^sup^, ~sub~, {-del-}, {+ins+} \
[link][], [text][tag], [text](url), ![alt text](src), <https://example.com>,
<mail@example.com>, {=mark=}, 'single', "double", $`inline`, $$`display`
{%comment%}, [span of text]{with=some .attributes}, $`<em>raw html</em>`{=html}
- * - * - * -

11
tests/afl/src/gen.rs Normal file
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@ -0,0 +1,11 @@
use afl::fuzz;
fn main() {
fuzz!(|data: &[u8]| {
if let Ok(s) = std::str::from_utf8(data) {
let p = jotdown::Parser::new(s);
let mut output = String::new();
jotdown::html::push(p, &mut output);
}
});
}