[Kernel] Check null pointer in RtlImageXexHeaderField

2024-11-25 16:00:46 +00:00 · 2024-11-25 16:00:46 +00:00 · d0b15ff8c9
parent 2300b8455c
commit d0b15ff8c9
1 changed files with 4 additions and 0 deletions
--- a/src/xenia/kernel/xboxkrnl/xboxkrnl_rtl.cc
+++ b/src/xenia/kernel/xboxkrnl/xboxkrnl_rtl.cc
@ -503,6 +503,10 @@ pointer_result_t RtlImageXexHeaderField_entry(pointer_t<xex2_header> xex_header,
  uint32_t field_value = 0;
  uint32_t field = field_dword;  // VS acts weird going from dword_t -> enum

+  if (!xex_header) {
+    return field_value;
+  }
+
  UserModule::GetOptHeader(kernel_memory(), xex_header, xex2_header_keys(field),
                           &field_value);