Make the map size larger for some of the example fuzzers (#1879)

fuzzers/backtrace_baby_fuzzers/forkserver_executor/src/main.rs

@@ -30,7 +30,7 @@ use libafl_bolts::{
 
 #[allow(clippy::similar_names)]
 pub fn main() {
-    const MAP_SIZE: usize = 65536;
+    const MAP_SIZE: usize = 2621440;
 
     //Coverage map shared between observer and executor
     #[cfg(target_vendor = "apple")]

fuzzers/forkserver_libafl_cc/src/main.rs

@@ -84,7 +84,7 @@ struct Opt {
 
 #[allow(clippy::similar_names)]
 pub fn main() {
-    const MAP_SIZE: usize = 65536;
+    const MAP_SIZE: usize = 2621440;
 
     let opt = Opt::parse();
 

fuzzers/forkserver_simple/src/main.rs

@@ -84,7 +84,7 @@ struct Opt {
 
 #[allow(clippy::similar_names)]
 pub fn main() {
-    const MAP_SIZE: usize = 65536;
+    const MAP_SIZE: usize = 2621440;
 
     let opt = Opt::parse();
 

libafl_sugar/src/forkserver.rs

@@ -33,9 +33,6 @@ use typed_builder::TypedBuilder;
 
 use crate::{CORPUS_CACHE_SIZE, DEFAULT_TIMEOUT_SECS};
 
-/// The default coverage map size to use for forkserver targets
-pub const DEFAULT_MAP_SIZE: usize = 65536;
-
 /// Creates a Forkserver-based fuzzer.
 #[derive(Debug, TypedBuilder)]
 pub struct ForkserverBytesCoverageSugar<'a> {