Add Docker usage (#201)

README.md

@@ -86,20 +86,24 @@ collected from gdb. To save crash reports as json use `serde` feature.
 
 ## Dependencies
 
-Install build dependencies:
+Install runtime dependencies:
+
+    $ sudo apt install gdb lsb-release
+
+Install build dependencies when building from source:
 
     $ sudo apt install build-essential clang
 
 Install [Rust](https://www.rust-lang.org/tools/install) or update existing Rust installation:
 
     $ rustup update
 
-Install runtime dependencies:
-
-    $ sudo apt install gdb lsb-release
-
 ## Install
 
+Download latest Linux 64-bit
+[release](https://github.com/ispras/casr/releases/latest/download/casr-x86_64-unknown-linux-gnu.tar.xz)
+or build from source as explained below.
+
 Build from Git repository:
 
     $ git clone https://github.com/ispras/casr
@@ -115,6 +119,10 @@ Add `dojo` feature if you want to install `casr-dojo` (the same for `cargo build
 
 ## Usage
 
+**Running in Docker:** CASR disables address randomization for better
+deduplication and uses ptrace to run GDB. Thus, Docker should be started with
+`--cap-add=SYS_PTRACE --security-opt seccomp=unconfined`.
+
 Create report from coredump:
 
     $ casr-core -f casr/tests/casr_tests/bin/core.test_destAv -e casr/tests/casr_tests/bin/test_destAv -o destAv.casrep

casr/src/triage.rs

@@ -150,7 +150,7 @@ impl<'a> CrashInfo {
 pub fn fuzzing_crash_triage_pipeline(
     matches: &clap::ArgMatches,
     crashes: &HashMap<String, CrashInfo>,
-    gdb_args: &Vec<String>,
+    gdb_args: &[String],
 ) -> Result<()> {
     // Get casr-cluster path
     let casr_cluster = get_path("casr-cluster")?;
@@ -281,7 +281,7 @@ pub fn fuzzing_crash_triage_pipeline(
 fn summarize_results(
     matches: &clap::ArgMatches,
     crashes: &HashMap<String, CrashInfo>,
-    gdb_args: &Vec<String>,
+    gdb_args: &[String],
 ) -> Result<()> {
     // Get output dir
     let dir = matches.get_one::<PathBuf>("output").unwrap();
@@ -334,7 +334,7 @@ fn summarize_results(
                         crashes.par_iter().try_for_each(|crash| {
                             if let Err(e) = (CrashInfo {
                                 path: crash.to_path_buf(),
-                                target_args: gdb_args.clone(),
+                                target_args: gdb_args.to_vec(),
                                 envs: HashMap::new(),
                                 at_index,
                                 casr_tool: casr_gdb.clone(),

casr/src/util.rs

@@ -445,7 +445,7 @@ pub fn get_reports(dir: &Path) -> Result<Vec<PathBuf>> {
 ///
 /// * A vector of correctly parsed report info: paths, stacktraces and crashlines
 /// * A vector of bad reports
-pub fn reports_from_paths(casreps: &Vec<PathBuf>, jobs: usize) -> (Vec<ReportInfo>, Vec<PathBuf>) {
+pub fn reports_from_paths(casreps: &[PathBuf], jobs: usize) -> (Vec<ReportInfo>, Vec<PathBuf>) {
     // Get len
     let len = casreps.len();
     // Start thread pool.