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fuzz: adapt to API changes of rand

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This commit is contained in:
Daniel Hofstetter 2025-01-30 10:57:17 +01:00
parent 527602248f
commit 9aec9dc454
13 changed files with 115 additions and 115 deletions
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16
fuzz/fuzz_targets/fuzz_printf.rs
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@ -8,7 +8,7 @@
use libfuzzer_sys::fuzz_target;
use uu_printf::uumain;
use rand::seq::SliceRandom;
use rand::seq::IndexedRandom;
use rand::Rng;
use std::env;
use std::ffi::OsString;
@ -44,34 +44,34 @@ fn generate_escape_sequence(rng: &mut impl Rng) -> String {
}
fn generate_printf() -> String {
let mut rng = rand::thread_rng();
let mut rng = rand::rng();
let format_specifiers = ["%s", "%d", "%f", "%x", "%o", "%c", "%b", "%q"];
let mut printf_str = String::new();
// Add a 20% chance of generating an invalid format specifier
if rng.gen_bool(0.2) {
if rng.random_bool(0.2) {
printf_str.push_str("%z"); // Invalid format specifier
} else {
let specifier = *format_specifiers.choose(&mut rng).unwrap();
printf_str.push_str(specifier);
// Add a 20% chance of introducing complex format strings
if rng.gen_bool(0.2) {
printf_str.push_str(&format!(" %{}", rng.gen_range(1..=1000)));
if rng.random_bool(0.2) {
printf_str.push_str(&format!(" %{}", rng.random_range(1..=1000)));
} else {
// Add a random string or number after the specifier
if specifier == "%s" {
printf_str.push_str(&format!(
" {}",
generate_random_string(rng.gen_range(1..=10))
generate_random_string(rng.random_range(1..=10))
));
} else {
printf_str.push_str(&format!(" {}", rng.gen_range(1..=1000)));
printf_str.push_str(&format!(" {}", rng.random_range(1..=1000)));
}
}
}
// Add a 10% chance of including an escape sequence
if rng.gen_bool(0.1) {
if rng.random_bool(0.1) {
printf_str.push_str(&generate_escape_sequence(&mut rng));
}
printf_str