fatal error: fault
unexpected fault address 0x7f7748c36000
fatal error: fault
[signal SIGBUS: bus error code=0x2 addr=0x7f7748dcb000 pc=0x46cfa8]

goroutine 848 [running]:
runtime.throw(0x17d3a56, 0x5)
	GOROOT/src/runtime/panic.go:1116 +0x72 fp=0xc000ac5008 sp=0xc000ac4fd8 pc=0x436502
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:692 +0x443 fp=0xc000ac5038 sp=0xc000ac5008 pc=0x44ecf3
runtime.memmove(0x7f7748d67000, 0x7f7748a13000, 0x9c000)
	src/runtime/memmove_amd64.s:368 +0x438 fp=0xc000ac5040 sp=0xc000ac5038 pc=0x46cfa8
runtime.slicecopy(0x7f7748d67000, 0x9c000, 0x9c000, 0x7f7748a13000, 0x9c000, 0x9c000, 0x1, 0x1)
	GOROOT/src/runtime/slice.go:227 +0x124 fp=0xc000ac5088 sp=0xc000ac5040 pc=0x4505c4
gvisor.dev/gvisor/pkg/safemem.Copy(0x7f7748d67000, 0x9c000, 0x0, 0x7f7748a13000, 0x9c000, 0x9c000, 0x9c000, 0xffffffffffffffff, 0x7f7748d67000)
	pkg/safemem/block_unsafe.go:199 +0x4d6 fp=0xc000ac5198 sp=0xc000ac5088 pc=0x611d66
gvisor.dev/gvisor/pkg/safemem.CopySeq(0x7f7748d67000, 0xffffffffffffffff, 0x0, 0x9c000, 0x7f7748a13000, 0xffffffffffffffff, 0x0, 0x9c000, 0xc000ac5350, 0x0, ...)
	pkg/safemem/seq_unsafe.go:281 +0x292 fp=0xc000ac5278 sp=0xc000ac5198 pc=0x615e72
gvisor.dev/gvisor/pkg/safemem.(*BlockSeqReader).ReadToBlocks(0xc0011a0400, 0x7f7748d67000, 0xffffffffffffffff, 0x0, 0x9c000, 0x91d730, 0xc000ac5388, 0xc000124020)
	pkg/safemem/io.go:86 +0xbf fp=0xc000ac5328 sp=0xc000ac5278 pc=0x61286f
gvisor.dev/gvisor/pkg/safemem.ReadFullToBlocks(0x1a08fa0, 0xc0011a0400, 0x7f7748d67000, 0xffffffffffffffff, 0x0, 0x9c000, 0x0, 0x9c000, 0x0)
	pkg/safemem/io.go:54 +0xfe fp=0xc000ac53b8 sp=0xc000ac5328 pc=0x61256e
gvisor.dev/gvisor/pkg/sentry/pgalloc.(*MemoryFile).AllocateAndFill(0xc000124000, 0x9c000, 0x1, 0x1a08fa0, 0xc0011a0400, 0x7f7748a13000, 0xffffffffffffffff, 0x0, 0x9c000)
	pkg/sentry/pgalloc/pgalloc.go:536 +0x14a fp=0xc000ac5448 sp=0xc000ac53b8 pc=0x8f8aba
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc0001dc000, 0x1a3c7c0, 0xc0005faa80, 0xc0001dc080, 0x4, 0x1699000, 0x169a000, 0xc000000101, 0x447897, 0x149ef80, ...)
	pkg/sentry/mm/pma.go:349 +0x13de fp=0xc000ac5b08 sp=0xc000ac5448 pc=0x9aef4e
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc0001dc000, 0x1a3c7c0, 0xc0005faa80, 0xc0001dc080, 0x4, 0x1699000, 0x169a000, 0x101, 0xc0001dc080, 0x5, ...)
	pkg/sentry/mm/pma.go:123 +0xff fp=0xc000ac5bd8 sp=0xc000ac5b08 pc=0x9ad2ef
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc0001dc000, 0x1a3c7c0, 0xc0005faa80, 0x1699f30, 0x2000101, 0x7f1f1689f9b0, 0xc000315c20, 0xffffffff)
	pkg/sentry/mm/syscalls.go:57 +0x1ca fp=0xc000ac5cb0 sp=0xc000ac5bd8 pc=0x9ca31a
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0005faa80, 0x1a096c0, 0x0)
	pkg/sentry/kernel/task_run.go:304 +0xa8f fp=0xc000ac5ee8 sp=0xc000ac5cb0 pc=0xc0820f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0005faa80, 0x20)
	pkg/sentry/kernel/task_run.go:93 +0x31d fp=0xc000ac5fd0 sp=0xc000ac5ee8 pc=0xc06bdd
runtime.goexit()
	src/runtime/asm_amd64.s:1373 +0x1 fp=0xc000ac5fd8 sp=0xc000ac5fd0 pc=0x46b9a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:319 +0x19e