kern: reject shadow stack accesses in syscalls

2026-09-15 17:04:18 +02:00
parent 7e58f5fbae
commit dbfe192b2f
15 changed files with 60 additions and 29 deletions
--- a/libraries/libmesosphere/source/svc/kern_svc_debug_string.cpp
+++ b/libraries/libmesosphere/source/svc/kern_svc_debug_string.cpp
@@ -26,7 +26,7 @@ namespace ams::kern::svc {
            R_SUCCEED_IF(len == 0);

            /* Ensure that the data being output is in range. */
-            R_UNLESS(GetCurrentProcess().GetPageTable().Contains(KProcessAddress(debug_str.GetUnsafePointer()), len), svc::ResultInvalidCurrentMemory());
+            R_UNLESS(GetCurrentProcess().GetPageTable().IsSafeUserPointer(KProcessAddress(debug_str.GetUnsafePointer()), len), svc::ResultInvalidPointer());

            /* Output the string. */
            R_RETURN(KDebugLog::PrintUserString(debug_str, len));