Fix page fault on accessing initial thread frame

2023-11-26 14:14:54 +01:00 · 2023-11-26 14:14:54 +01:00 · 0e6844e2fa
commit 0e6844e2fa
parent 96a19d23b3
1 changed files with 1 additions and 1 deletions
--- a/xtoskrnl/ke/i686/kthread.c
+++ b/xtoskrnl/ke/i686/kthread.c
@ -43,7 +43,7 @@ KepInitializeThreadContext(IN PKTHREAD Thread,
    PFX_SAVE_FORMAT FxSaveFormat;

    /* Set initial thread frame */
-    ThreadFrame = ((PKTHREAD_INIT_FRAME)Thread->InitialStack) - sizeof(KTHREAD_INIT_FRAME);
+    ThreadFrame = (PKTHREAD_INIT_FRAME)(Thread->InitialStack - sizeof(KTHREAD_INIT_FRAME));

    /* Fill floating point save area with zeroes */
    RtlZeroMemory(&ThreadFrame->NpxFrame, sizeof(FX_SAVE_AREA));