From 00bcdaee237381d971368725ef8ee911d5839ad1 Mon Sep 17 00:00:00 2001
From: noctuum <25441068+noctuum@users.noreply.github.com>
Date: Wed, 16 Sep 2026 10:34:55 +0500
Subject: [PATCH] Check the info-hash target in p.call_target

Without it an unknown info-hash segfaults the process.
---
 src/command_download.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/command_download.cc b/src/command_download.cc
index a910c178..98057744 100644
--- a/src/command_download.cc
+++ b/src/command_download.cc
@@ -431,6 +431,9 @@ p_call_target(const torrent::Object::list_type& args) {
   const std::string& peer_id = itr++->as_string();
   const std::string& command_key = itr++->as_string();
 
+  if (download == nullptr)
+    throw torrent::input_error("invalid parameters: info-hash not found");
+
   torrent::HashString hash;
 
   if (peer_id.size() != 40)