diff --git a/bunfig.toml b/bunfig.toml
index 8800cf685..8f72f95f5 100644
--- a/bunfig.toml
+++ b/bunfig.toml
@@ -15,6 +15,11 @@ saveTextLockfile = true
 [test]
 # bun test does NOT honor .gitignore; prune robomp's repo clones and
 # scratch dirs so a root-level `bun test` doesn't walk into them.
+#
+# `bazel-*` are Bazel's convenience symlinks, and `bazel-oh-my-pi` points at
+# the workspace root itself: without this the scanner recurses through that
+# loop, exhausts file descriptors, and every test that pipes a child process's
+# stdio fails with empty output or EPIPE.
 pathIgnorePatterns = [
   "**/node_modules/**",
   "**/.git/**",
@@ -26,6 +31,8 @@ pathIgnorePatterns = [
   "python/robomp/data/**",
   ".wt/**",
   ".worktrees/**",
+  "bazel-*/**",
+  "**/bazel-out/**",
 ]
 
 [run]