From c8ffaf62e8482de7dac2cc8531118b54989efeeb Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Fri, 18 Sep 2026 16:20:14 -0700
Subject: [PATCH] Maker: fix Run step fuzz test list memory leak

---
 lib/compiler/Maker/Step.zig     | 19 +++++++++++++++++++
 lib/compiler/Maker/Step/Run.zig |  4 ++++
 2 files changed, 23 insertions(+)

diff --git a/lib/compiler/Maker/Step.zig b/lib/compiler/Maker/Step.zig
index f87b1dd94adda17c420fe93d243e32390bf48122..783e3ea2f4ad267fddfa14aae27cfed61fc0acd8 100644
--- a/lib/compiler/Maker/Step.zig
+++ b/lib/compiler/Maker/Step.zig
@@ -315,6 +315,25 @@ pub fn deinit(step: *Step, gpa: Allocator) void {
     step.clearErrorBundle(gpa);
     step.inputs.deinit(gpa);
     if (step.getZigProcess()) |zp| gpa.destroy(zp);
+    switch (step.extended) {
+        .check_file,
+        .compile,
+        .config_header,
+        .fail,
+        .find_program,
+        .fmt,
+        .install_artifact,
+        .install_dir,
+        .install_file,
+        .obj_copy,
+        .options,
+        .top_level,
+        .translate_c,
+        .update_source_files,
+        .write_file,
+        => {},
+        .run => |*extended| extended.deinit(gpa),
+    }
     step.* = undefined;
 }
 
diff --git a/lib/compiler/Maker/Step/Run.zig b/lib/compiler/Maker/Step/Run.zig
index 828b5eb170515c999e8c0e40da4d1b668adfb1a8..a31694851d1793008a30e0b159ce2a75a47d497b 100644
--- a/lib/compiler/Maker/Step/Run.zig
+++ b/lib/compiler/Maker/Step/Run.zig
@@ -372,6 +372,10 @@ pub fn make(
     step.clearFailedCommand(gpa);
 }
 
+pub fn deinit(run: *Run, gpa: Allocator) void {
+    run.fuzz_tests.deinit(gpa);
+}
+
 fn thirdPartyToggle(
     man_hash: ?*Cache.HashHelper,
     argv_list: *std.ArrayList([]const u8),
-- 
2.54.0