Upgrade Smithy to 1.16.1

rust-runtime/aws-smithy-http/fuzz/.gitignore

@@ -0,0 +1,3 @@
+target
+corpus
+artifacts

rust-runtime/aws-smithy-http/fuzz/Cargo.toml

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+[package]
+name = "aws-smithy-http-fuzz"
+version = "0.0.0"
+authors = ["Automatically generated"]
+publish = false
+edition = "2018"
+
+[package.metadata]
+cargo-fuzz = true
+
+[dependencies]
+libfuzzer-sys = "0.4"
+http = "0.2.3"
+
+[dependencies.aws-smithy-http]
+path = ".."
+
+# Prevent this from interfering with workspaces
+[workspace]
+members = ["."]
+
+[[bin]]
+name = "read_many_from_str"
+path = "fuzz_targets/read_many_from_str.rs"
+test = false
+doc = false

rust-runtime/aws-smithy-http/fuzz/fuzz_targets/read_many_from_str.rs

@@ -0,0 +1,14 @@
+#![no_main]
+use libfuzzer_sys::fuzz_target;
+
+use aws_smithy_http::header::read_many_from_str;
+use http;
+
+fuzz_target!(|data: &[u8]| {
+    if let Ok(s) = std::str::from_utf8(data) {
+        if let Ok(req) = http::Request::builder().header("test", s).body(()) {
+            // Shoudln't panic
+            let _ = read_many_from_str::<String>(req.headers().get_all("test").iter());
+        }
+    }
+});