From 16b6c9111e0872bb28096b489ef0362d05998b96 Mon Sep 17 00:00:00 2001
From: James Hamlin <james@goforward.com>
Date: Sat, 3 Dec 2022 17:05:39 -0800
Subject: [PATCH] Add missing keyword validation

Signed-off-by: James Hamlin <james@goforward.com>
---
 reader/reader.go                                                | 2 +-
 ...574832cd26648a52e7a31fc9bae6aa08247b2b1dd2f3e0cb2fb021585b92 | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)
 create mode 100644 reader/testdata/fuzz/FuzzCLJConformance/4c76574832cd26648a52e7a31fc9bae6aa08247b2b1dd2f3e0cb2fb021585b92

diff --git a/reader/reader.go b/reader/reader.go
index 9f7c444..5db49c0 100644
--- a/reader/reader.go
+++ b/reader/reader.go
@@ -845,7 +845,7 @@ func (r *Reader) readKeyword() (interface{}, error) {
 		}
 		sym += string(rn)
 	}
-	if sym == "" || sym == ":" {
+	if sym == "" || sym == ":" || strings.Contains(sym[1:], ":") {
 		return nil, r.error("invalid keyword: :" + sym)
 	}
 	return value.NewKeyword(sym, value.WithSection(r.popSection())), nil
diff --git a/reader/testdata/fuzz/FuzzCLJConformance/4c76574832cd26648a52e7a31fc9bae6aa08247b2b1dd2f3e0cb2fb021585b92 b/reader/testdata/fuzz/FuzzCLJConformance/4c76574832cd26648a52e7a31fc9bae6aa08247b2b1dd2f3e0cb2fb021585b92
new file mode 100644
index 0000000..5c70173
--- /dev/null
+++ b/reader/testdata/fuzz/FuzzCLJConformance/4c76574832cd26648a52e7a31fc9bae6aa08247b2b1dd2f3e0cb2fb021585b92
@@ -0,0 +1,2 @@
+go test fuzz v1
+string("#{ a :b::c}\n")