From 2c031ed0963cfb3a37ba6c5d4b64d9bbc4250832 Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Sat, 30 Sep 2023 11:46:18 +0200
Subject: [PATCH] smacker: add forgotten recursion depth check

---
 nihav-rad/src/codecs/smacker.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nihav-rad/src/codecs/smacker.rs b/nihav-rad/src/codecs/smacker.rs
index d834c7e..7ecd443 100644
--- a/nihav-rad/src/codecs/smacker.rs
+++ b/nihav-rad/src/codecs/smacker.rs
@@ -94,6 +94,7 @@ const SMK_LAST_UNINIT: usize = 0xFFFFFFFF;
 impl SmackerTree16Builder {
     fn get_tree16(&mut self, br: &mut BitReader, tree: &mut SmackerTree16, depth: usize) -> DecoderResult<u32> {
         validate!(tree.tree.len() < self.nsyms);
+        validate!(depth <= 32);
         if !br.read_bool()? {
             let lo = br.read_tree8(&self.tree_lo)?;
             let hi = br.read_tree8(&self.tree_hi)?;
-- 
2.30.2