fatal error: entry failed

goroutine 4636 [running]:
runtime.throw({0x13e4dad?, 0x9?})
	GOROOT/src/runtime/panic.go:1047 +0x5d fp=0xc000a3d550 sp=0xc000a3d520 pc=0x436f3d
gvisor.dev/gvisor/pkg/sentry/platform/kvm.dieHandler(0x1?)
	pkg/sentry/platform/kvm/bluepill.go:86 +0x25 fp=0xc000a3d570 sp=0xc000a3d550 pc=0xce9225
gvisor.dev/gvisor/pkg/sentry/platform/kvm.dieHandler(0xc00053a240)
	<autogenerated>:1 +0x25 fp=0xc000a3d588 sp=0xc000a3d570 pc=0xcf4305
runtime: g 4636: unexpected return pc for gvisor.dev/gvisor/pkg/safecopy.memcpy called from 0xc00053a240
stack: frame={sp:0xc000a3d588, fp:0xc000a3d590} stack=[0xc000a3c000,0xc000a3e000)
0x000000c000a3d488:  0x00000000007c75b3 <gvisor.dev/gvisor/pkg/sentry/pgalloc.(*usagenode).calculateMaxGapLeaf+0x0000000000000073>  0x000000c000846000 
0x000000c000a3d498:  0x0000004000000000  0x0000000000002000 
0x000000c000a3d4a8:  0x000000000000000a  0x000000c000a3d508 
0x000000c000a3d4b8:  0x00000000007c72c5 <gvisor.dev/gvisor/pkg/sentry/pgalloc.(*usagenode).updateMaxGapLeaf+0x0000000000000045>  0x000000c000846000 
0x000000c000a3d4c8:  0x0000000000000000  0x000000000046b4ce <runtime.systemstack+0x000000000000002e> 
0x000000c000a3d4d8:  0x000000000043728c <runtime.fatalthrow+0x000000000000006c>  0x000000c000a3d4f0 
0x000000c000a3d4e8:  0x000000c000a86d00  0x00000000004372c0 <runtime.fatalthrow.func1+0x0000000000000000> 
0x000000c000a3d4f8:  0x000000c000a86d00  0x0000000000436f3d <runtime.throw+0x000000000000005d> 
0x000000c000a3d508:  0x000000c000a3d520  0x000000c000a3d540 
0x000000c000a3d518:  0x0000000000436f3d <runtime.throw+0x000000000000005d>  0x000000c000a3d528 
0x000000c000a3d528:  0x0000000000436f60 <runtime.throw.func1+0x0000000000000000>  0x00000000013e4dad 
0x000000c000a3d538:  0x000000000000000c  0x000000c000a3d560 
0x000000c000a3d548:  0x0000000000ce9225 <gvisor.dev/gvisor/pkg/sentry/platform/kvm.dieHandler+0x0000000000000025>  0x00000000013e4dad 
0x000000c000a3d558:  0x0000000000000009  0x000000c000a3d578 
0x000000c000a3d568:  0x0000000000cf4305 <gvisor.dev/gvisor/pkg/sentry/platform/kvm.dieHandler+0x0000000000000025>  0x0000000000000001 
0x000000c000a3d578:  0x000000c000a3d620  0x00000000006b6483 <gvisor.dev/gvisor/pkg/safecopy.memcpy+0x0000000000000083> 
0x000000c000a3d588: <0x000000c00053a240 >0x00000000006b4c0b <gvisor.dev/gvisor/pkg/safecopy.copyIn+0x000000000000008b> 
0x000000c000a3d598:  0x00003f94c73d5000  0x00003f94bba1b000 
0x000000c000a3d5a8:  0x0000000000001000  0x000000c000a3d5e0 
0x000000c000a3d5b8:  0x000000c000000000  0x000000c000901e90 
0x000000c000a3d5c8:  0x000000c0003e6120  0x000000c000901500 
0x000000c000a3d5d8:  0x00003f94c73d5000  0x000000c000539140 
0x000000c000a3d5e8:  0x000000c000a3d620  0x00000000007c9006 <gvisor.dev/gvisor/pkg/sentry/pgalloc.usageGapIterator.Range+0x0000000000000046> 
0x000000c000a3d5f8:  0x000000c000846000  0x0000000000000018 
0x000000c000a3d608:  0x0000000000000000  0x0000000000000009 
0x000000c000a3d618:  0x000000c000846000  0x000000c000a3d650 
0x000000c000a3d628:  0x00000000006b4b2d <gvisor.dev/gvisor/pkg/safecopy.CopyIn+0x000000000000002d>  0x00003f94c73d5000 
0x000000c000a3d638:  0x0000000000001000  0x0000000000001000 
0x000000c000a3d648:  0x00003f94bba1b000  0x000000c000a3d690 
0x000000c000a3d658:  0x00000000006b72a8 <gvisor.dev/gvisor/pkg/safemem.Copy+0x0000000000000188>  0x00003f94c73d5000 
0x000000c000a3d668:  0x00003f94bba1b000  0x000000c000f3f6c0 
0x000000c000a3d678:  0x00003f94bba1b000  0x000000c000a3d6e8 
0x000000c000a3d688:  0x00003f94bba1b000 
gvisor.dev/gvisor/pkg/safecopy.memcpy(0x6b4c0b, 0x3f94c73d5000, 0x3f94bba1b000)
	pkg/safecopy/memcpy_amd64.s:82 +0x83 fp=0xc000a3d590 sp=0xc000a3d588 pc=0x6b6483
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x105