From 59c79507295a3e3a470004fdc9502681674fdfec Mon Sep 17 00:00:00 2001
From: InvoxiPlayGames <webmaster@invoxiplaygames.uk>
Date: Sat, 18 Jan 2025 09:47:57 +0000
Subject: [PATCH] sys_prx: use vm read_string in module_id_by_name

---
 rpcs3/Emu/Cell/lv2/sys_prx.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/rpcs3/Emu/Cell/lv2/sys_prx.cpp b/rpcs3/Emu/Cell/lv2/sys_prx.cpp
index 6275ba8126..21a4f55000 100644
--- a/rpcs3/Emu/Cell/lv2/sys_prx.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_prx.cpp
@@ -1089,9 +1089,15 @@ error_code _sys_prx_get_module_id_by_name(ppu_thread& ppu, vm::cptr<char> name,
 
 	sys_prx.warning("_sys_prx_get_module_id_by_name(name=%s, flags=%d, pOpt=*0x%x)", name, flags, pOpt);
 
+	std::string module_name;
+	if (!vm::read_string(name.addr(), 28, module_name))
+	{
+		return CELL_EINVAL;
+	}
+
 	const auto [prx, id] = idm::select<lv2_obj, lv2_prx>([&](u32 id, lv2_prx& prx) -> u32
 	{
-		if (strncmp(name.get_ptr(), prx.module_info_name, sizeof(prx.module_info_name)) == 0)
+		if (strncmp(module_name.c_str(), prx.module_info_name, sizeof(prx.module_info_name)) == 0)
 		{
 			return id;
 		}