ntoskrnl.exe: Fix use-after-free when freeing IRP.

Signed-off-by: Daniel Lehman <dlehman@esri.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntoskrnl.exe: Fix use-after-free when freeing IRP.
de0e9ad9 · Daniel Lehman · Alexandre Julliard · c9003fab · de0e9ad9
Commit de0e9ad9 authored Oct 07, 2021 by Daniel Lehman Committed by Alexandre Julliard Oct 08, 2021
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ntoskrnl.c dlls/ntoskrnl.exe/ntoskrnl.c +2 -1

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--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -1011,8 +1011,9 @@ NTSTATUS CDECL wine_ntoskrnl_main_loop( HANDLE stop_event )
        {
            if (context.irp_data->complete)
            {
-                IoCompleteRequest( context.irp_data->irp, IO_NO_INCREMENT );
+                IRP *irp = context.irp_data->irp;
                free_dispatch_irp( context.irp_data );
+                IoCompleteRequest( irp, IO_NO_INCREMENT );
            }
            else
            {