0: kd> knL
# Child-SP RetAddr Call Site
00 ffffd000`27c07968 fffff801`289136b0 nt!KeBugCheckEx
01 ffffd000`27c07970 fffff801`28918fa0 nt!VerifierBugCheckIfAppropriate+0x3c
02 ffffd000`27c079b0 fffff801`287c02df nt!VfCheckUserHandle+0x1b8
03 ffffd000`27c07a90 fffff801`288a17c2 nt! ?? ::NNGAKEGL::`string'+0x742f
04 ffffd000`27c07b30 fffff801`283ea4b3 nt!NtQueryInformationProcess+0xefe
05 ffffd000`27c08040 fffff801`283e2900 nt!KiSystemServiceCopyEnd+0x13
06 ffffd000`27c08248 fffff801`7d79db8c nt!KiServiceLinkage
07 ffffd000`27c08250 ffffcf80`2c15cc00 PGPwded+0x12b8c
08 ffffd000`27c08258 00000000`00000400 0xffffcf80`2c15cc00
09 ffffd000`27c08260 ffffe000`d8bad000 0x400
0a ffffd000`27c08268 fffff801`2890909a 0xffffe000`d8bad000
0b ffffd000`27c08270 fffff801`7d79e0e7 nt!VerifierExAllocatePoolEx+0x2a
0c ffffd000`27c082b0 ffffe000`d8bab7f0 PGPwded+0x130e7
0d ffffd000`27c082b8 fffff801`7cd264fe 0xffffe000`d8bab7f0
0e ffffd000`27c082c0 ffffd000`27c08350 VerifierExt!XdvQueryThreadContext+0x46
0f ffffd000`27c082f0 ffffe000`de109010 0xffffd000`27c08350
10 ffffd000`27c082f8 ffffe000`d8bab750 0xffffe000`de109010
11 ffffd000`27c08300 ffffe000`de109010 0xffffe000`d8bab750
12 ffffd000`27c08308 ffffe000`00000000 0xffffe000`de109010
13 ffffd000`27c08310 fffff801`7d7a08b0 0xffffe000`00000000
14 ffffd000`27c08318 fffff801`7cd1faf7 PGPwded+0x158b0
15 ffffd000`27c08320 fffff801`7dc03984 VerifierExt!xdv_IRP_MJ_CREATE_wrapper+0xfb
16 ffffd000`27c08380 ffffe000`d8bab750 fltsrv+0x3984
17 ffffd000`27c08388 ffffe000`dd19d170 0xffffe000`d8bab750
18 ffffd000`27c08390 ffffe000`de22e4f0 0xffffe000`dd19d170
19 ffffd000`27c08398 ffffd000`27c0840d 0xffffe000`de22e4f0
1a ffffd000`27c083a0 ffffe000`d6707b00 0xffffd000`27c0840d
1b ffffd000`27c083a8 fffff801`286bbda8 0xffffe000`d6707b00
1c ffffd000`27c083b0 fffff801`7dc0b86d nt!ObpAllocateObject+0x128
1d ffffd000`27c08430 00000000`00000000 fltsrv+0xb86d