fatal error: fault
[signal SIGBUS: bus error code=0x2 addr=0x7f36e1b52000 pc=0x456bd8]

goroutine 581 [running]:
runtime.throw(0xba4cec, 0x5)
	GOROOT/src/runtime/panic.go:616 +0x81 fp=0xc420d41070 sp=0xc420d41050 pc=0x429441
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:385 +0x273 fp=0xc420d410c0 sp=0xc420d41070 pc=0x43e6b3
runtime.memmove(0x7f36e1b29000, 0x7f36e20b4000, 0x5a000)
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/linux_amd64_pure_stripped/stdlib%/src/runtime/memmove_amd64.s:365 +0x438 fp=0xc420d410c8 sp=0xc420d410c0 pc=0x456bd8
gvisor.googlesource.com/gvisor/pkg/sentry/safemem.Copy(0x7f36e1b29000, 0x5a000, 0x0, 0x7f36e20b4000, 0x5a000, 0x5a000, 0x0, 0xc420d41200, 0x428854)
	pkg/sentry/safemem/block_unsafe.go:199 +0x33d fp=0xc420d41178 sp=0xc420d410c8 pc=0x5c922d
gvisor.googlesource.com/gvisor/pkg/sentry/safemem.CopySeq(0x7f36e1b29000, 0xffffffffffffffff, 0x0, 0x5a000, 0x7f36e20b4000, 0xffffffffffffffff, 0x0, 0x5a000, 0x0, 0x0, ...)
	pkg/sentry/safemem/seq_unsafe.go:276 +0x25d fp=0xc420d41248 sp=0xc420d41178 pc=0x5cc0dd
gvisor.googlesource.com/gvisor/pkg/sentry/safemem.(*BlockSeqReader).ReadToBlocks(0xc420de92a0, 0x7f36e1b29000, 0xffffffffffffffff, 0x0, 0x5a000, 0xc420d41390, 0x40fb69, 0xc420de92a0)
	pkg/sentry/safemem/io.go:86 +0x84 fp=0xc420d412c8 sp=0xc420d41248 pc=0x5c9914
gvisor.googlesource.com/gvisor/pkg/sentry/safemem.ReadFullToBlocks(0xc565c0, 0xc420de92a0, 0x7f36e1b29000, 0xffffffffffffffff, 0x0, 0x5a000, 0x0, 0x5a000, 0x0)
	pkg/sentry/safemem/io.go:54 +0xe4 fp=0xc420d41348 sp=0xc420d412c8 pc=0x5c9824
gvisor.googlesource.com/gvisor/pkg/sentry/platform.AllocateAndFill(0xc65e80, 0xc420157200, 0x5a000, 0x1, 0xc565c0, 0xc420de92a0, 0xffffffffffffffff, 0x0, 0x5a000, 0xc42a92ff68)
	pkg/sentry/platform/platform.go:426 +0x114 fp=0xc420d413d0 sp=0xc420d41348 pc=0x5ea894
gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).breakCopyOnWriteLocked(0xc42a92f900, 0xc42a92ff68, 0x4, 0xa37000, 0xa38000, 0xa37000, 0xa38000, 0xc42a92ff68, 0x4, 0xc42a92ff68)
	pkg/sentry/mm/pma.go:433 +0x34d fp=0xc420d414f0 sp=0xc420d413d0 pc=0x688ccd
gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc42a92f900, 0xc634e0, 0xc4207ea000, 0xc42a92f970, 0x5, 0xa37000, 0xa38000, 0x1, 0xc42a92f970, 0x6, ...)
	pkg/sentry/mm/pma.go:142 +0x2a2 fp=0xc420d415d0 sp=0xc420d414f0 pc=0x687322
gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings(0xc42a92f900, 0xc634e0, 0xc4207ea000, 0xa37c10, 0xa37c14, 0xc400000100, 0xc420d41720, 0x20d416f8, 0xc420d41728, 0xc420d41800)
	pkg/sentry/mm/io.go:484 +0x260 fp=0xc420d416d0 sp=0xc420d415d0 pc=0x683860
gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).CopyOut(0xc42a92f900, 0xc634e0, 0xc4207ea000, 0xa37c10, 0xc4214287a8, 0x4, 0x8, 0x0, 0xc4214287a8, 0x4, ...)
	pkg/sentry/mm/io.go:119 +0x14b fp=0xc420d41760 sp=0xc420d416d0 pc=0x68161b
gvisor.googlesource.com/gvisor/pkg/sentry/usermem.(*IOReadWriter).Write(0xc420d41818, 0xc4214287a8, 0x4, 0x8, 0x10b9228, 0xa9c160, 0xc4214287a0)
	pkg/sentry/usermem/usermem.go:155 +0x7c fp=0xc420d417c8 sp=0xc420d41760 pc=0x5cf76c
gvisor.googlesource.com/gvisor/pkg/sentry/usermem.CopyObjectOut(0xc634e0, 0xc4207ea000, 0xc621c0, 0xc42a92f900, 0xa37c10, 0xa9c160, 0xc4214287a0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/usermem/usermem.go:184 +0x10a fp=0xc420d41858 sp=0xc420d417c8 pc=0x5cf8fa
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Clone(0xc4207ea000, 0xc420d41ab8, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_clone.go:296 +0xb9f fp=0xc420d41a88 sp=0xc420d41858 pc=0x6dedff
gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.clone(0xc4207ea000, 0x1200011, 0x0, 0x0, 0xa37c10, 0xa37940, 0x6c2b, 0xc420d41b88, 0x40000002, 0x0)
	pkg/sentry/syscalls/linux/sys_thread.go:157 +0x21b fp=0xc420d41b20 sp=0xc420d41a88 pc=0x8b5cfb
gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Clone(0xc4207ea000, 0x1200011, 0x0, 0x0, 0xa37c10, 0xa37940, 0x0, 0x202, 0xc420d41c10, 0x428854, ...)
	pkg/sentry/syscalls/linux/sys_thread.go:171 +0x67 fp=0xc420d41b80 sp=0xc420d41b20 pc=0x8b5db7
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc4207ea000, 0x38, 0x1200011, 0x0, 0x0, 0xa37c10, 0xa37940, 0x0, 0x10fa0000, 0xba3160, ...)
	pkg/sentry/kernel/task_syscall.go:162 +0x307 fp=0xc420d41c38 sp=0xc420d41b80 pc=0x6f3557
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc4207ea000, 0x38, 0x1200011, 0x0, 0x0, 0xa37c10, 0xa37940, 0x0, 0xa37940, 0x0)
	pkg/sentry/kernel/task_syscall.go:280 +0x62 fp=0xc420d41cc0 sp=0xc420d41c38 pc=0x6f4242
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc4207ea000, 0x38, 0x1200011, 0x0, 0x0, 0xa37c10, 0xa37940, 0x0, 0x40b890, 0xc420878a58)
	pkg/sentry/kernel/task_syscall.go:241 +0x91 fp=0xc420d41d20 sp=0xc420d41cc0 pc=0x6f3e71
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc4207ea000, 0x2, 0xc420432b40)
	pkg/sentry/kernel/task_syscall.go:216 +0x142 fp=0xc420d41e28 sp=0xc420d41d20 pc=0x6f37b2
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc4207ea000, 0xc562e0, 0x0)
	pkg/sentry/kernel/task_run.go:219 +0xe56 fp=0xc420d41f88 sp=0xc420d41e28 pc=0x6eacb6
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc4207ea000, 0x4e)
	pkg/sentry/kernel/task_run.go:95 +0x174 fp=0xc420d41fd0 sp=0xc420d41f88 pc=0x6e9af4
runtime.goexit()
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/linux_amd64_pure_stripped/stdlib%/src/runtime/asm_amd64.s:2361 +0x1 fp=0xc420d41fd8 sp=0xc420d41fd0 pc=0x455f31
created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:258 +0x100