X-Git-Url: https://git.reactos.org/?p=reactos.git;a=blobdiff_plain;f=ntoskrnl%2Fps%2Fsecurity.c;h=619ff56d2472d578f5c5acaf49d7b13a26c32038;hp=e245dde563fd22e5e9dac965368c744491d55109;hb=f8a4d31da489660d48975a685da49fb1f4748685;hpb=f8c51ecdd78cda96c6b8c486054a671c5c9dddd2

diff --git a/ntoskrnl/ps/security.c b/ntoskrnl/ps/security.c
index e245dde563f..619ff56d247 100644
--- a/ntoskrnl/ps/security.c
+++ b/ntoskrnl/ps/security.c
@@ -325,6 +325,14 @@ PspSetPrimaryToken(IN PEPROCESS Process,
                                        STANDARD_RIGHTS_ALL |
                                        PROCESS_SET_QUOTA);
         }
+
+        /*
+         * In case LUID device maps are enable, we may not be using
+         * system device map for this process, but a logon LUID based
+         * device map. Because we change primary token, this usage is
+         * no longer valid, so dereference the process device map
+         */
+        if (ObIsLUIDDeviceMapsEnabled()) ObDereferenceDeviceMap(Process);
     }
 
     /* Dereference the token */