Properly copy kernel parameters into the loader block

2024-01-29 19:41:52 +01:00 · 2024-01-29 19:41:52 +01:00 · 48d1e7f04c
commit 48d1e7f04c
parent 8f7641d91f
1 changed files with 2 additions and 1 deletions
--- a/xtldr/modules/xtos_o/xtos.c
+++ b/xtldr/modules/xtos_o/xtos.c
@ -468,7 +468,8 @@ XtpInitializeLoaderBlock(IN PXTBL_PAGE_MAPPING PageMap,
    // }

    /* Copy parameters to kernel initialization block */
-    RtlCopyMemory(&LoaderBlock->KernelParameters, Parameters->Parameters, RtlWideStringLength(Parameters->Parameters, 0));
+    RtlCopyMemory(LoaderBlock->KernelParameters, Parameters->Parameters,
+                  (RtlWideStringLength(Parameters->Parameters, 0) + 1) * sizeof(WCHAR));

    /* Map kernel initialization block */
    XtLdrProtocol->Memory.MapVirtualMemory(PageMap, *VirtualAddress, (PVOID)LoaderBlock,