New clippy lint

fuzzers/binary_only/qemu_launcher/src/options.rs

@@ -125,19 +125,19 @@ impl FuzzerOptions {
     pub fn is_asan_core(&self, core_id: CoreId) -> bool {
         self.asan_cores
             .as_ref()
-            .map_or(false, |c| c.contains(core_id))
+            .is_some_and(|c| c.contains(core_id))
     }
 
     pub fn is_asan_guest_core(&self, core_id: CoreId) -> bool {
         self.asan_guest_cores
             .as_ref()
-            .map_or(false, |c| c.contains(core_id))
+            .is_some_and(|c| c.contains(core_id))
     }
 
     pub fn is_cmplog_core(&self, core_id: CoreId) -> bool {
         self.cmplog_cores
             .as_ref()
-            .map_or(false, |c| c.contains(core_id))
+            .is_some_and(|c| c.contains(core_id))
     }
 
     pub fn input_dir(&self) -> PathBuf {

libafl/src/mutators/grimoire.rs

@@ -291,7 +291,7 @@ where
                 while bytes
                     .len()
                     .checked_sub(token_1.len())
-                    .map_or(false, |len| i < len)
+                    .is_some_and(|len| i < len)
                 {
                     if bytes[i..].starts_with(token_1) {
                         bytes.splice(i..(i + token_1.len()), token_2.iter().copied());
@@ -314,7 +314,7 @@ where
                     while bytes
                         .len()
                         .checked_sub(token_1.len())
-                        .map_or(false, |len| i < len)
+                        .is_some_and(|len| i < len)
                     {
                         if bytes[i..].starts_with(token_1) {
                             bytes.splice(i..(i + token_1.len()), token_2.iter().copied());

libafl/src/mutators/unicode/mod.rs

@@ -78,7 +78,7 @@ fn choose_start<R: Rand>(
         if idx
             .checked_sub(*start) // idx adjusted to start
             .and_then(|idx| (idx < range.len()).then(|| range[idx])) // idx in range
-            .map_or(false, |r| r)
+            .is_some_and(|r| r)
         {
             options.push((*start, range));
         }

libafl/src/schedulers/accounting.rs

@@ -138,7 +138,7 @@ where
         if state
             .metadata_map()
             .get::<TopAccountingMetadata>()
-            .map_or(false, |x| x.changed)
+            .is_some_and(|x| x.changed)
         {
             self.accounting_cull(state)?;
         } else {

libafl/src/schedulers/testcase_score.rs

@@ -264,7 +264,7 @@ where
             perf_score = HAVOC_MAX_MULT * 100.0;
         }
 
-        if entry.objectives_found() > 0 && psmeta.strat().map_or(false, |s| s.avoid_crash()) {
+        if entry.objectives_found() > 0 && psmeta.strat().is_some_and(|s| s.avoid_crash()) {
             perf_score *= 0.00;
         }
 
@@ -342,7 +342,7 @@ where
             weight *= 2.0;
         }
 
-        if entry.objectives_found() > 0 && psmeta.strat().map_or(false, |s| s.avoid_crash()) {
+        if entry.objectives_found() > 0 && psmeta.strat().is_some_and(|s| s.avoid_crash()) {
             weight *= 0.00;
         }
 

libafl/src/state/mod.rs

@@ -648,7 +648,7 @@ where
                 if filename.starts_with('.')
                 // || filename
                 //     .rsplit_once('-')
-                //     .map_or(false, |(_, s)| u64::from_str(s).is_ok())
+                //     .is_some_and(|(_, s)| u64::from_str(s).is_ok())
                 {
                     continue;
                 }

libafl_cc/src/clang.rs

@@ -171,7 +171,7 @@ impl ToolWrapper for ClangWrapper {
 
             if arg_as_path
                 .extension()
-                .map_or(false, |ext| ext.eq_ignore_ascii_case("s"))
+                .is_some_and(|ext| ext.eq_ignore_ascii_case("s"))
             {
                 self.is_asm = true;
             }

libafl_libfuzzer/build.rs

@@ -135,7 +135,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     }
 
     assert!(
-        command.status().map_or(false, |s| s.success()),
+        command.status().is_some_and(|s| s.success()),
         "Couldn't build runtime crate! Did you remember to use nightly? (`rustup default nightly` to install)"
     );
 
@@ -199,7 +199,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     drop(redefinitions_file);
 
     assert!(
-            nm_child.wait().map_or(false, |s| s.success()),
+            nm_child.wait().is_some_and(|s| s.success()),
             "Couldn't link runtime crate! Do you have the llvm-tools component installed? (`rustup component add llvm-tools-preview` to install)"
         );
 
@@ -242,7 +242,7 @@ fn main() -> Result<(), Box<dyn Error>> {
         .args([&archive_path, &redefined_archive_path]);
 
     assert!(
-            objcopy_command.status().map_or(false, |s| s.success()),
+            objcopy_command.status().is_some_and(|s| s.success()),
             "Couldn't rename allocators in the runtime crate! Do you have the llvm-tools component installed? (`rustup component add llvm-tools-preview` to install)"
         );
 

libafl_libfuzzer/runtime/src/corpus.rs

@@ -341,7 +341,7 @@ where
             .count
             .checked_sub(1)
             .map(CorpusId::from)
-            .map_or(false, |last| last == id)
+            .is_some_and(|last| last == id)
         {
             self.last.as_ref()
         } else {

libafl_qemu/libafl_qemu_build/src/lib.rs

@@ -192,7 +192,7 @@ fn qemu_bindgen_clang_args(
             entry["output"] == main_obj
                 || entry["file"]
                     .as_str()
-                    .map_or(false, |file| file.ends_with(main_file))
+                    .is_some_and(|file| file.ends_with(main_file))
         })
         .expect("Didn't find compile command for qemu-system-arm");