diff --git a/linkerd/addr/fuzz/Cargo.lock b/linkerd/addr/fuzz/Cargo.lock
new file mode 100644
index 0000000000..4bbc3da71d
--- /dev/null
+++ b/linkerd/addr/fuzz/Cargo.lock
@@ -0,0 +1,304 @@
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+# It is not intended for manual editing.
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+]
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+ "log",
+ "proc-macro2",
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+ "syn",
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+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
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+version = "0.4.0"
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+
+[[package]]
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diff --git a/linkerd/addr/fuzz/Cargo.toml b/linkerd/addr/fuzz/Cargo.toml
index e4e04cbdbd..7dd74df5b0 100644
--- a/linkerd/addr/fuzz/Cargo.toml
+++ b/linkerd/addr/fuzz/Cargo.toml
@@ -10,6 +10,8 @@ cargo-fuzz = true
 
 [dependencies]
 libfuzzer-sys = "0.4"
+tracing = "0.1.23"
+tracing-subscriber = "0.2.17"
 
 [dependencies.linkerd-addr]
 path = ".."
diff --git a/linkerd/addr/fuzz/fuzz_targets/fuzz_target_1.rs b/linkerd/addr/fuzz/fuzz_targets/fuzz_target_1.rs
index bcbc772a94..d577eebcfa 100644
--- a/linkerd/addr/fuzz/fuzz_targets/fuzz_target_1.rs
+++ b/linkerd/addr/fuzz/fuzz_targets/fuzz_target_1.rs
@@ -1,9 +1,10 @@
 #![no_main]
 use libfuzzer_sys::fuzz_target;
 
-
 fuzz_target!(|data: &[u8]| {
+    let _ = tracing_subscriber::fmt::try_init();
     if let Ok(s) = std::str::from_utf8(data) {
+        tracing::info!(data = ?s, "running with input");
         linkerd_addr::fuzz_logic::fuzz_addr_1(s);
     }
 });
diff --git a/linkerd/app/inbound/fuzz/Cargo.toml b/linkerd/app/inbound/fuzz/Cargo.toml
index 2480b7118c..1e2023fa65 100644
--- a/linkerd/app/inbound/fuzz/Cargo.toml
+++ b/linkerd/app/inbound/fuzz/Cargo.toml
@@ -17,6 +17,8 @@ hyper = { version = "0.14.2", features = ["http1", "http2"] }
 http = "0.2"
 linkerd-app-core = { path = "../../core" }
 linkerd-app-test = { path = "../../test" }
+tracing = "0.1"
+tracing-subscriber = "0.2"
 
 [dependencies.linkerd-app-inbound]
 path = ".."
diff --git a/linkerd/app/inbound/fuzz/fuzz_targets/fuzz_target_1.rs b/linkerd/app/inbound/fuzz/fuzz_targets/fuzz_target_1.rs
index 9da3ddad8d..729953d82b 100644
--- a/linkerd/app/inbound/fuzz/fuzz_targets/fuzz_target_1.rs
+++ b/linkerd/app/inbound/fuzz/fuzz_targets/fuzz_target_1.rs
@@ -3,6 +3,8 @@ use libfuzzer_sys::fuzz_target;
 use linkerd_app_inbound::http::fuzz_logic::*;
 
 fuzz_target!(|requests: Vec<HttpRequestSpec>| {
+    let _ = tracing_subscriber::fmt::try_init();
+    tracing::info!(?requests, "running with input");
     if requests.len() == 0 {
         return;
     }
diff --git a/linkerd/app/inbound/src/http/mod.rs b/linkerd/app/inbound/src/http/mod.rs
index 4710e45f08..e96677bf6f 100644
--- a/linkerd/app/inbound/src/http/mod.rs
+++ b/linkerd/app/inbound/src/http/mod.rs
@@ -270,8 +270,9 @@ pub mod fuzz_logic {
     };
     pub use linkerd_app_test as support;
     use linkerd_app_test::*;
+    use std::{fmt, str};
 
-    #[derive(Debug, Arbitrary)]
+    #[derive(Arbitrary)]
     pub struct HttpRequestSpec {
         pub uri: Vec<u8>,
         pub header_name: Vec<u8>,
@@ -378,4 +379,34 @@ pub mod fuzz_logic {
             .push_http_server()
             .into_inner()
     }
+
+    impl fmt::Debug for HttpRequestSpec {
+        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+            // Custom `Debug` impl that formats the URI, header name, and header
+            // value as strings if they are UTF-8, or falls back to raw bytes
+            // otherwise.
+            let mut dbg = f.debug_struct("HttpRequestSpec");
+            dbg.field("http_method", &self.http_method);
+
+            if let Ok(uri) = str::from_utf8(&self.uri[..]) {
+                dbg.field("uri", &uri);
+            } else {
+                dbg.field("uri", &self.uri);
+            }
+
+            if let Ok(name) = str::from_utf8(&self.header_name[..]) {
+                dbg.field("header_name", &name);
+            } else {
+                dbg.field("header_name", &self.header_name);
+            }
+
+            if let Ok(value) = str::from_utf8(&self.header_value[..]) {
+                dbg.field("header_value", &value);
+            } else {
+                dbg.field("header_value", &self.header_value);
+            }
+
+            dbg.finish()
+        }
+    }
 }
diff --git a/linkerd/dns/fuzz/Cargo.toml b/linkerd/dns/fuzz/Cargo.toml
index 851dac2fa4..381dcd2d91 100644
--- a/linkerd/dns/fuzz/Cargo.toml
+++ b/linkerd/dns/fuzz/Cargo.toml
@@ -12,6 +12,8 @@ cargo-fuzz = true
 [dependencies]
 libfuzzer-sys = "0.4"
 tokio = { version = "1", features = ["rt", "time", "io-util"] }
+tracing = "0.1.23"
+tracing-subscriber = "0.2.17"
 
 [dependencies.linkerd-dns]
 path = ".."
diff --git a/linkerd/dns/fuzz/fuzz_targets/fuzz_target_1.rs b/linkerd/dns/fuzz/fuzz_targets/fuzz_target_1.rs
index 219b818c96..1253b1c9bd 100644
--- a/linkerd/dns/fuzz/fuzz_targets/fuzz_target_1.rs
+++ b/linkerd/dns/fuzz/fuzz_targets/fuzz_target_1.rs
@@ -2,7 +2,9 @@
 use libfuzzer_sys::fuzz_target;
 
 fuzz_target!(|data: &[u8]| {
+    let _ = tracing_subscriber::fmt::try_init();
     if let Ok(s) = std::str::from_utf8(data) {
+        tracing::info!(data = ?s, "running with input");
         let rt = tokio::runtime::Runtime::new().unwrap();
         rt.block_on(linkerd_dns::fuzz_logic::fuzz_entry(s))
     }
diff --git a/linkerd/transport-header/fuzz/Cargo.lock b/linkerd/transport-header/fuzz/Cargo.lock
new file mode 100644
index 0000000000..a4e8562bd3
--- /dev/null
+++ b/linkerd/transport-header/fuzz/Cargo.lock
@@ -0,0 +1,1182 @@
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diff --git a/linkerd/transport-header/fuzz/Cargo.toml b/linkerd/transport-header/fuzz/Cargo.toml
index 1f3f29bda3..39cf9c9936 100644
--- a/linkerd/transport-header/fuzz/Cargo.toml
+++ b/linkerd/transport-header/fuzz/Cargo.toml
@@ -13,6 +13,8 @@ cargo-fuzz = true
 arbitrary = { version = "1",  features = ["derive"] }
 libfuzzer-sys = { version = "0.4.0", features = ["arbitrary-derive"] }
 tokio = { version = "1", features = ["full"] }
+tracing = "0.1.23"
+tracing-subscriber = "0.2.17"
 
 [dependencies.linkerd-transport-header]
 path = ".."
diff --git a/linkerd/transport-header/fuzz/fuzz_targets/fuzz_target_raw.rs b/linkerd/transport-header/fuzz/fuzz_targets/fuzz_target_raw.rs
index 326cf23f5b..787a58a82e 100644
--- a/linkerd/transport-header/fuzz/fuzz_targets/fuzz_target_raw.rs
+++ b/linkerd/transport-header/fuzz/fuzz_targets/fuzz_target_raw.rs
@@ -3,6 +3,9 @@ use libfuzzer_sys::fuzz_target;
 use linkerd_transport_header::fuzz_logic::*;
 
 fuzz_target!(|data: &[u8]| {
+    let _ = tracing_subscriber::fmt::try_init();
+    tracing::info!(?data, "running with input");
+
     let rt = tokio::runtime::Runtime::new().unwrap();
     rt.block_on(fuzz_entry_raw(data));
 });
diff --git a/linkerd/transport-header/fuzz/fuzz_targets/fuzz_target_structured.rs b/linkerd/transport-header/fuzz/fuzz_targets/fuzz_target_structured.rs
index ac355c9726..6afb240544 100644
--- a/linkerd/transport-header/fuzz/fuzz_targets/fuzz_target_structured.rs
+++ b/linkerd/transport-header/fuzz/fuzz_targets/fuzz_target_structured.rs
@@ -2,11 +2,10 @@
 use libfuzzer_sys::fuzz_target;
 use linkerd_transport_header::fuzz_logic::*;
 
-fuzz_target!(
-    |inp: TransportHeaderSpec| {
-        let rt = tokio::runtime::Runtime::new().unwrap();
-        rt.block_on(fuzz_entry_structured(
-            inp,
-        ));
-    }
-);
+fuzz_target!(|inp: TransportHeaderSpec| {
+    let _ = tracing_subscriber::fmt::try_init();
+    tracing::info!(spec = ?inp, "running with input");
+
+    let rt = tokio::runtime::Runtime::new().unwrap();
+    rt.block_on(fuzz_entry_structured(inp));
+});