From 377bc09b9ea70efee5d014d7df3caadd1aec71d2 Mon Sep 17 00:00:00 2001
From: FuzzTest Team <fuzztest@google.com>
Date: Tue, 21 Jul 2026 13:27:21 -0700
Subject: [PATCH] No public description

PiperOrigin-RevId: 951667111
---
 .bazelrc        |  6 ++++++
 MODULE.bazel    | 42 ++++++++++++++++++++++++++++++++++++++++++
 centipede/BUILD | 26 ++++++++++++++++++++++----
 3 files changed, 70 insertions(+), 4 deletions(-)

diff --git a/.bazelrc b/.bazelrc
index 19ff5f54d..5d9c8c38a 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -44,3 +44,9 @@ build:macos --macos_minimum_os=10.15
 #  bazel run //bazel:setup_configs > fuzztest.bazelrc
 #
 try-import %workspace%/fuzztest.bazelrc
+
+# Configure rules_rust to use the nightly channel toolchain by default.
+build --@rules_rust//rust/toolchain/channel:channel=nightly
+
+# Link standard C++ library for Rust binaries on Linux
+build:linux --linkopt=-lstdc++
diff --git a/MODULE.bazel b/MODULE.bazel
index 4610482c3..08577ec09 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -27,6 +27,48 @@ bazel_dep(
     name = "rules_shell",
     version = "0.6.1",
 )
+bazel_dep(
+    name = "rules_rust",
+    version = "0.71.3",
+)
+
+rust = use_extension("@rules_rust//rust:extensions.bzl", "rust")
+rust.toolchain(
+    edition = "2024",
+    versions = ["nightly/2025-01-15"],
+)
+use_repo(rust, "rust_toolchains")
+register_toolchains("@rust_toolchains//:all")
+
+crate = use_extension("@rules_rust//crate_universe:extensions.bzl", "crate")
+crate.spec(package = "anyhow", version = "1.0.100")
+crate.spec(package = "clap", version = "4.6.1", features = ["derive", "env"])
+crate.spec(package = "convert_case", version = "0.6.0")
+crate.spec(package = "googletest", version = "0.14.3")
+crate.spec(package = "humantime", version = "2.4.0")
+crate.spec(package = "inventory", version = "0.3.20")
+crate.spec(package = "num-traits", version = "0.2.19")
+crate.spec(package = "postcard", version = "1.0.0", features = ["use-std"])
+crate.spec(package = "proc-macro2", version = "1.0.106")
+crate.spec(package = "proc-macro-crate", version = "3.4.0")
+crate.spec(package = "quote", version = "1.0.45")
+crate.spec(package = "rand", version = "0.10.1")
+crate.spec(package = "serde", version = "1.0.219", features = ["derive"])
+crate.spec(package = "spin", version = "0.10.0")
+crate.spec(
+    package = "syn",
+    version = "2.0.117",
+    features = [
+        "extra-traits",
+        "full",
+        "parsing",
+        "printing",
+        "visit-mut",
+    ],
+)
+crate.spec(package = "tempfile", version = "3.27.0")
+crate.from_specs(name = "crate_index")
+use_repo(crate, "crate_index")
 bazel_dep(
     name = "abseil-cpp",
     version = "20260526.0",
diff --git a/centipede/BUILD b/centipede/BUILD
index 518d7a6d5..057fb5e46 100644
--- a/centipede/BUILD
+++ b/centipede/BUILD
@@ -980,8 +980,6 @@ cc_library(
     name = "engine_worker",
     srcs = [
         "engine_worker.cc",
-        "runner_utils.cc",
-        "runner_utils.h",
     ],
     hdrs = ["engine_worker_abi.h"],
     deps = [
@@ -990,6 +988,7 @@ cc_library(
         ":feature",
         ":runner_request",
         ":runner_result",
+        ":runner_utils",
         ":shared_memory_blob_sequence",
         "@abseil-cpp//absl/base:nullability",
         "@com_google_fuzztest//common:defs",
@@ -1216,8 +1215,6 @@ cc_library(
         "reverse_pc_table.h",
         "runner_dl_info.cc",
         "runner_dl_info.h",
-        "runner_utils.cc",
-        "runner_utils.h",
         "sancov_callbacks.cc",
         "sancov_interceptors.cc",
         "sancov_object_array.cc",
@@ -1239,6 +1236,7 @@ cc_library(
         ":foreach_nonzero",
         ":int_utils",
         ":runner_cmp_trace",
+        ":runner_utils",
         "@abseil-cpp//absl/base:core_headers",
         "@abseil-cpp//absl/base:nullability",
         "@abseil-cpp//absl/numeric:bits",
@@ -2002,3 +2000,23 @@ sh_test(
         ":test_util_sh",
     ],
 )
+
+cc_library(
+    name = "runner_utils",
+    srcs = ["runner_utils.cc"],
+    hdrs = ["runner_utils.h"],
+    copts = DISABLE_SANCOV_COPTS,
+    deps = [
+        "@abseil-cpp//absl/base:nullability",
+    ],
+)
+
+cc_static_library(
+    name = "centipede_engine_static",
+    deps = [
+        ":engine_controller_with_subprocess",
+        ":engine_worker",
+        ":sancov_runtime",
+        ":weak_sancov_stubs",
+    ],
+)