From d83710ebaaf1e89a23fbf263ab3c13801ad8ae42 Mon Sep 17 00:00:00 2001
From: robobun <117481402+robobun@users.noreply.github.com>
Date: Tue, 12 May 2026 21:59:41 +0000
Subject: [PATCH] fix segfault inspecting JSX with circular props

---
 src/jsc/ConsoleObject.zig        |  2 +-
 test/js/bun/util/inspect.test.js | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/jsc/ConsoleObject.zig b/src/jsc/ConsoleObject.zig
index 2489ea14ea03..185f7dad814d 100644
--- a/src/jsc/ConsoleObject.zig
+++ b/src/jsc/ConsoleObject.zig
@@ -1136,7 +1136,7 @@ pub const Formatter = struct {
 
         pub fn canHaveCircularReferences(tag: Tag) bool {
             return switch (tag) {
-                .Function, .Array, .Object, .Map, .Set, .Error, .Class, .Event => true,
+                .Function, .Array, .Object, .Map, .Set, .Error, .Class, .Event, .JSX => true,
                 else => false,
             };
         }
diff --git a/test/js/bun/util/inspect.test.js b/test/js/bun/util/inspect.test.js
index 32a70af30183..0209f3356200 100644
--- a/test/js/bun/util/inspect.test.js
+++ b/test/js/bun/util/inspect.test.js
@@ -316,6 +316,20 @@ it("jsx with fragment", () => {
   expect(input).toBe(output);
 });
 
+it("jsx with circular props does not crash", () => {
+  const el = Bun.markdown.react("hello");
+  el.props = el;
+  const out = Bun.inspect(el);
+  expect(out).toContain("[Circular]");
+});
+
+it("jsx with circular children does not crash", () => {
+  const el = Bun.markdown.react("hello");
+  el.props.children = el;
+  const out = Bun.inspect(el);
+  expect(out).toContain("[Circular]");
+});
+
 it("inspect", () => {
   expect(Bun.inspect(new TypeError("what")).includes("TypeError: what")).toBe(true);
   expect(Bun.inspect("hi")).toBe('"hi"');