fatal error: fault
[signal SIGBUS: bus error code=0x2 addr=0x7fcd06291000 pc=0x4714c8]

goroutine 109596 [running]:
runtime.throw(0x126f78c, 0x5)
	GOROOT/src/runtime/panic.go:1116 +0x72 fp=0xc08f75f108 sp=0xc08f75f0d8 pc=0x437412
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:717 +0x485 fp=0xc08f75f138 sp=0xc08f75f108 pc=0x44de85
runtime.memmove(0x7fcd06291000, 0xc006eb6fff, 0x1)
	src/runtime/memmove_amd64.s:148 +0x108 fp=0xc08f75f140 sp=0xc08f75f138 pc=0x4714c8
gvisor.dev/gvisor/pkg/safemem.Copy(0x7fcd06291000, 0x1, 0x0, 0xc006eb6fff, 0x1, 0x0, 0xb000, 0xc000, 0x7e586000)
	pkg/safemem/block_unsafe.go:235 +0x3f0 fp=0xc08f75f1f0 sp=0xc08f75f140 pc=0x576cb0
gvisor.dev/gvisor/pkg/safemem.CopySeq(0x7fcd06291000, 0xffffffffffffffff, 0x0, 0x1, 0xc006eb6fff, 0xffffffffffffffff, 0x0, 0x1, 0x0, 0x0, ...)
	pkg/safemem/seq_unsafe.go:347 +0x2be fp=0xc08f75f2c0 sp=0xc08f75f1f0 pc=0x57ab9e
gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileReadWriter).WriteFromBlocks(0xc002137120, 0xc006eb6fff, 0xffffffffffffffff, 0x0, 0x1, 0x0, 0x0, 0x0)
	pkg/sentry/fsimpl/tmpfs/regular_file.go:756 +0x6c5 fp=0xc08f75f3c8 sp=0xc08f75f2c0 pc=0x92a305
gvisor.dev/gvisor/pkg/usermem.(*BytesIO).CopyInTo(0xc0024c3160, 0x13f6da0, 0xc08e8ee000, 0x0, 0x1, 0x0, 0x1, 0x13c9620, 0xc002137120, 0x920000, ...)
	pkg/usermem/bytes_io.go:97 +0xc4 fp=0xc08f75f440 sp=0xc08f75f3c8 pc=0x57e8e4
gvisor.dev/gvisor/pkg/usermem.IOSequence.CopyInTo(0x13f1f60, 0xc0024c3160, 0x0, 0x1, 0x0, 0x1, 0x0, 0x13f6da0, 0xc08e8ee000, 0x13c9620, ...)
	pkg/usermem/usermem.go:600 +0xb7 fp=0xc08f75f4b8 sp=0xc08f75f440 pc=0x581837
gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).pwrite(0xc004105100, 0x13f6da0, 0xc08e8ee000, 0x13f1f60, 0xc0024c3160, 0x0, 0x1, 0x0, 0x1, 0x0, ...)
	pkg/sentry/fsimpl/tmpfs/regular_file.go:523 +0x495 fp=0xc08f75f628 sp=0xc08f75f4b8 pc=0x9289b5
gvisor.dev/gvisor/pkg/sentry/fsimpl/tmpfs.(*regularFileFD).Write(0xc004105100, 0x13f6da0, 0xc08e8ee000, 0x13f1f60, 0xc0024c3160, 0x0, 0x1, 0x0, 0x1, 0x0, ...)
	pkg/sentry/fsimpl/tmpfs/regular_file.go:533 +0xcb fp=0xc08f75f6d8 sp=0xc08f75f628 pc=0x928d6b
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc004105100, 0x13f6da0, 0xc08e8ee000, 0x13f1f60, 0xc0024c3160, 0x0, 0x1, 0x0, 0x1, 0x0, ...)
	pkg/sentry/vfs/file_description.go:704 +0xb5 fp=0xc08f75f758 sp=0xc08f75f6d8 pc=0x7d4f55
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Sendfile(0xc08e8ee000, 0x5, 0x5, 0x20000200, 0x10000, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/splice.go:531 +0xd3f fp=0xc08f75fb90 sp=0xc08f75f758 pc=0xe645bf
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc08e8ee000, 0x28, 0x5, 0x5, 0x20000200, 0x10000, 0x0, 0x0, 0x0, 0x126d5a0, ...)
	pkg/sentry/kernel/task_syscall.go:116 +0x1b9 fp=0xc08f75fc50 sp=0xc08f75fb90 pc=0xa429b9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc08e8ee000, 0x28, 0x5, 0x5, 0x20000200, 0x10000, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:291 +0x70 fp=0xc08f75fcd8 sp=0xc08f75fc50 pc=0xa43c70
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc08e8ee000, 0x28, 0x5, 0x5, 0x20000200, 0x10000, 0x0, 0x0, 0xc0ac31b660, 0xc0ac31b5c0)
	pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc08f75fd38 sp=0xc08f75fcd8 pc=0xa43774
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc08e8ee000, 0x2, 0xc08e8ee000)
	pkg/sentry/kernel/task_syscall.go:205 +0x198 fp=0xc08f75fe08 sp=0xc08f75fd38 pc=0xa43058
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc08e8ee000, 0x13c9880, 0x0)
	pkg/sentry/kernel/task_run.go:327 +0xd95 fp=0xc08f75ff60 sp=0xc08f75fe08 pc=0xa35d55
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc08e8ee000, 0xc0e)
	pkg/sentry/kernel/task_run.go:100 +0x1e2 fp=0xc08f75ffd0 sp=0xc08f75ff60 pc=0xa34862
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc08f75ffd8 sp=0xc08f75ffd0 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:374 +0x116