Fix all clippy warnings in baby_fuzzers (#3553)

* feat: fixed all warnings according to clippy, rename .cargo/config files to .cargo/config.toml, fix syntax issue in harness.c in c_code_with_inprocess_executor

* fix: format TOML files using taplo

* fix: format main.rs in baby_fuzzer_custom_executor

* fix: remove commented-out unnecessary line from baby_fuzzer/src/main.rs

Author: atharva-potdar

fuzzers/baby/baby_fuzzer/src/main.rs

@@ -34,7 +34,6 @@ fn signals_set(idx: usize) {
     unsafe { write(SIGNALS_PTR.add(idx), 1) };
 }
 
-#[expect(clippy::manual_assert)]
 pub fn main() {
     env_logger::init();
     // The closure that we want to fuzz
@@ -56,7 +55,8 @@ pub fn main() {
                     // https://github.com/googleprojectzero/winafl/blob/ea5f6b85572980bb2cf636910f622f36906940aa/winafl.c#L728
                     #[cfg(windows)]
                     unsafe {
-                        write_volatile(0 as *mut u32, 0);
+                        // Replace zero-ptr with the below function, suggested by Clippy
+                        write_volatile(std::ptr::null_mut::<u32>(), 0);
                     }
                 }
             }

fuzzers/baby/baby_fuzzer_custom_executor/src/main.rs

@@ -1,7 +1,7 @@
-#[cfg(windows)]
-use std::ptr::write_volatile;
 use std::{marker::PhantomData, path::PathBuf, ptr::write};
 
+#[cfg(feature = "bloom_input_filter")]
+use libafl::fuzzer::{BloomInputFilter, ReportingInputFilter};
 #[cfg(feature = "tui")]
 use libafl::monitors::tui::TuiMonitor;
 #[cfg(not(feature = "tui"))]
@@ -12,7 +12,7 @@ use libafl::{
     executors::{Executor, ExitKind, WithObservers},
     feedback_and_fast,
     feedbacks::{CrashFeedback, MaxMapFeedback},
-    fuzzer::{BloomInputFilter, Fuzzer, ReportingInputFilter, StdFuzzer},
+    fuzzer::{Fuzzer, StdFuzzer},
     generators::RandPrintablesGenerator,
     inputs::HasTargetBytes,
     mutators::{havoc_mutations::havoc_mutations, scheduled::HavocScheduledMutator},

fuzzers/baby/baby_fuzzer_minimizing/src/main.rs

@@ -1,5 +1,3 @@
-#[cfg(windows)]
-use std::ptr::write_volatile;
 use std::{path::PathBuf, ptr::write};
 
 use libafl::prelude::*;

fuzzers/baby/baby_fuzzer_swap_differential/src/main.rs

@@ -1,5 +1,3 @@
-#[cfg(windows)]
-use std::ptr::write_volatile;
 use std::{
     alloc::{alloc_zeroed, Layout},
     path::PathBuf,

fuzzers/baby/baby_fuzzer_unicode/src/main.rs

@@ -35,7 +35,6 @@ fn signals_set(idx: usize) {
     unsafe { write(SIGNALS_PTR.add(idx), 1) };
 }
 
-#[expect(clippy::manual_assert)]
 pub fn main() {
     // The closure that we want to fuzz
     let mut harness = |input: &BytesInput| {
@@ -53,7 +52,7 @@ pub fn main() {
 
             #[cfg(windows)]
             unsafe {
-                write_volatile(0 as *mut u32, 0);
+                write_volatile(std::ptr::null_mut::<u32>(), 0);
             }
         }
         ExitKind::Ok

fuzzers/baby/backtrace_baby_fuzzers/c_code_with_fork_executor/.cargo/config

@@ -0,0 +1,2 @@
+[build]
+rustflags = ["-Cforce-unwind-tables=y"]

fuzzers/baby/backtrace_baby_fuzzers/c_code_with_fork_executor/.cargo/config.toml

@@ -18,7 +18,6 @@ use libafl::{
 };
 use libafl_bolts::{
     nonzero,
-    ownedref::OwnedRefMut,
     rands::StdRand,
     shmem::{ShMemProvider, StdShMemProvider},
     tuples::tuple_list,

fuzzers/baby/backtrace_baby_fuzzers/c_code_with_fork_executor/src/main.rs

@@ -0,0 +1,2 @@
+[build]
+rustflags = ["-Cforce-unwind-tables=y"]