fatal error: fault
[signal SIGBUS: bus error code=0x2 addr=0x7f1b8eea1020 pc=0x4610ca]

goroutine 305 [running]:
runtime.throw(0xfbb19f, 0x5)
	GOROOT/src/runtime/panic.go:616 +0x81 fp=0xc421688b88 sp=0xc421688b68 pc=0x430041
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:385 +0x273 fp=0xc421688bd8 sp=0xc421688b88 pc=0x4475a3
runtime.memmove(0x7f1b8eea1000, 0x7f1b9e8c0000, 0x5a000)
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/linux_amd64_static_race_stripped/stdlib%/src/runtime/memmove_amd64.s:362 +0x42a fp=0xc421688be0 sp=0xc421688bd8 pc=0x4610ca
runtime.slicecopy(0x7f1b8eea1000, 0x5a000, 0x5a000, 0x7f1b9e8c0000, 0x5a000, 0x5a000, 0x1, 0x0)
	GOROOT/src/runtime/slice.go:222 +0x140 fp=0xc421688c28 sp=0xc421688be0 pc=0x448e70
gvisor.googlesource.com/gvisor/pkg/sentry/safemem.Copy(0x7f1b8eea1000, 0x5a000, 0x0, 0x7f1b9e8c0000, 0x5a000, 0x5a000, 0xc421688e00, 0xc421688f10, 0xc421688e10)
	pkg/sentry/safemem/block_unsafe.go:199 +0x546 fp=0xc421688d20 sp=0xc421688c28 pc=0x6a2f36
gvisor.googlesource.com/gvisor/pkg/sentry/safemem.CopySeq(0x7f1b8eea1000, 0xffffffffffffffff, 0x0, 0x5a000, 0x7f1b9e8c0000, 0xffffffffffffffff, 0x0, 0x5a000, 0x0, 0x0, ...)
	pkg/sentry/safemem/seq_unsafe.go:276 +0x269 fp=0xc421688e00 sp=0xc421688d20 pc=0x6a6e49
gvisor.googlesource.com/gvisor/pkg/sentry/safemem.(*BlockSeqReader).ReadToBlocks(0xc4215ecc00, 0x7f1b8eea1000, 0xffffffffffffffff, 0x0, 0x5a000, 0x20, 0xc4215ecc00, 0xc421688f90)
	pkg/sentry/safemem/io.go:86 +0xbd fp=0xc421688eb0 sp=0xc421688e00 pc=0x6a385d
gvisor.googlesource.com/gvisor/pkg/sentry/safemem.ReadFullToBlocks(0x10bc880, 0xc4215ecc00, 0x7f1b8eea1000, 0xffffffffffffffff, 0x0, 0x5a000, 0x0, 0x5a000, 0x0)
	pkg/sentry/safemem/io.go:54 +0xfe fp=0xc421688f40 sp=0xc421688eb0 pc=0x6a36fe
gvisor.googlesource.com/gvisor/pkg/sentry/platform.AllocateAndFill(0x10ce7c0, 0xc4202a2000, 0x5a000, 0x1, 0x10bc880, 0xc4215ecc00, 0xffffffffffffffff, 0x0, 0x5a000, 0xc42096bf68)
	pkg/sentry/platform/platform.go:426 +0x153 fp=0xc421688fd0 sp=0xc421688f40 pc=0x6d7163
gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).breakCopyOnWriteLocked(0xc42096b900, 0xc42096bf68, 0x4, 0xa37000, 0xa38000, 0xa37000, 0xa38000, 0xc42096bf68, 0x4, 0xc42096bf68)
	pkg/sentry/mm/pma.go:433 +0x342 fp=0xc421689168 sp=0xc421688fd0 pc=0x7da302
gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc42096b900, 0x10cb800, 0xc420182d00, 0xc42096b970, 0x5, 0xa37000, 0xa38000, 0x1, 0xc42096b970, 0x6, ...)
	pkg/sentry/mm/pma.go:142 +0x358 fp=0xc421689258 sp=0xc421689168 pc=0x7d8088
gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc42096b900, 0x10cb800, 0xc420182d00, 0xa37c10, 0xa37c14, 0x100, 0xc421689440, 0x1f467e0, 0x10ee, 0xc420c16848)
	pkg/sentry/mm/io.go:484 +0x274 fp=0xc4216893b8 sp=0xc421689258 pc=0x7d2534
gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).CopyOut(0xc42096b900, 0x10cb800, 0xc420182d00, 0xa37c10, 0xc420c16848, 0x4, 0x8, 0xeb0000, 0xc420c16840, 0x85, ...)
	pkg/sentry/mm/io.go:119 +0x210 fp=0xc421689480 sp=0xc4216893b8 pc=0x7cf600
gvisor.googlesource.com/gvisor/pkg/sentry/usermem.(*IOReadWriter).Write(0xc421689578, 0xc420c16848, 0x4, 0x8, 0x1f467e0, 0xeb2180, 0xc420c16840)
	pkg/sentry/usermem/usermem.go:155 +0x102 fp=0xc421689510 sp=0xc421689480 pc=0x6ac4f2
gvisor.googlesource.com/gvisor/pkg/sentry/usermem.CopyObjectOut(0x10cb800, 0xc420182d00, 0x10ca360, 0xc42096b900, 0xa37c10, 0xeb2180, 0xc420c16840, 0x920000, 0x2, 0x448d30, ...)
	pkg/sentry/usermem/usermem.go:184 +0x174 fp=0xc4216895b8 sp=0xc421689510 pc=0x6ac7a4
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc420182d00, 0xc4216898f8, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_clone.go:296 +0x127b fp=0xc4216898c0 sp=0xc4216895b8 pc=0x858b2b
gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.clone(0xc420182d00, 0x1200011, 0x0, 0x0, 0xa37c10, 0xa37940, 0x42f108, 0xc42003ca00, 0x46154c, 0x852a58)
	pkg/sentry/syscalls/linux/sys_thread.go:157 +0x22f fp=0xc421689978 sp=0xc4216898c0 pc=0xb5fe1f
gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Clone(0xc420182d00, 0x1200011, 0x0, 0x0, 0xa37c10, 0xa37940, 0x0, 0x47c9be, 0xc421689a88, 0x42f404, ...)
	pkg/sentry/syscalls/linux/sys_thread.go:171 +0x81 fp=0xc4216899f8 sp=0xc421689978 pc=0xb5ff31
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc420182d00, 0x38, 0x1200011, 0x0, 0x0, 0xa37c10, 0xa37940, 0x0, 0xc420718ea0, 0x920000, ...)
	pkg/sentry/kernel/task_syscall.go:162 +0x14f fp=0xc421689ad8 sp=0xc4216899f8 pc=0x87c0ff
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc420182d00, 0x38, 0x1200011, 0x0, 0x0, 0xa37c10, 0xa37940, 0x0, 0x1200011, 0x46155c)
	pkg/sentry/kernel/task_syscall.go:280 +0x7e fp=0xc421689b88 sp=0xc421689ad8 pc=0x87d6ce
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc420182d00, 0x38, 0x1200011, 0x0, 0x0, 0xa37c10, 0xa37940, 0x0, 0xc420718fa0, 0xc421689c68)
	pkg/sentry/kernel/task_syscall.go:241 +0xc4 fp=0xc421689c08 sp=0xc421689b88 pc=0x87d054
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc420182d00, 0x2, 0xc420718ea0)
	pkg/sentry/kernel/task_syscall.go:216 +0x19f fp=0xc421689d60 sp=0xc421689c08 pc=0x87c74f
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc420182d00, 0x10bc5a0, 0x0)
	pkg/sentry/kernel/task_run.go:219 +0x1502 fp=0xc421689f48 sp=0xc421689d60 pc=0x86df02
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc420182d00, 0x5c)
	pkg/sentry/kernel/task_run.go:95 +0x265 fp=0xc421689fd0 sp=0xc421689f48 pc=0x86c485
runtime.goexit()
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/linux_amd64_static_race_stripped/stdlib%/src/runtime/asm_amd64.s:2361 +0x1 fp=0xc421689fd8 sp=0xc421689fd0 pc=0x460431
created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:258 +0x194