panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf8ac0c]

goroutine 199 [running]:
panic({0x118b4e0, 0x2057300})
	GOROOT/src/runtime/panic.go:1147 +0x3a8 fp=0xc0009df008 sp=0xc0009def48 pc=0x4351c8
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:221
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:735 +0x327 fp=0xc0009df058 sp=0xc0009df008 pc=0x44bd67
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc0008826c0, 0x0, 0xc0006fa2c0)
	pkg/sentry/fsimpl/fuse/connection.go:299 +0x4c fp=0xc0009df0b0 sp=0xc0009df058 pc=0xf8ac0c
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc0008826c0, 0xc0009a4660, 0xc0006fa2c0)
	pkg/sentry/fsimpl/fuse/connection.go:275 +0x145 fp=0xc0009df108 sp=0xc0009df0b0 pc=0xf8aa45
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).setAttr(0xc00060d000, {0x14f87b0, 0xc0009ff500}, 0x0, 0xc0009df498, {{0x18, 0x0, 0x0, 0x0, 0x0, ...}, ...}, ...)
	pkg/sentry/fsimpl/fuse/fusefs.go:952 +0x2a7 fp=0xc0009df3c8 sp=0xc0009df108 pc=0xf94ce7
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).SetStat(0x7ff963eba1d8, {0x14f87b0, 0xc0009ff500}, 0x412aa5, 0x0, {{0x18, 0x0, 0x0, 0x0, 0x0, ...}, ...})
	pkg/sentry/fsimpl/fuse/fusefs.go:920 +0x85 fp=0xc0009df4a8 sp=0xc0009df3c8 pc=0xf949c5
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).SetStatAt(0xc0008ce000, {0x14f87b0, 0xc0009ff500}, 0xc000346480, {{0x18, 0x0, 0x0, 0x0, 0x0, 0x0, ...}, ...})
	pkg/sentry/fsimpl/kernfs/filesystem.go:816 +0x250 fp=0xc0009df5d0 sp=0xc0009df4a8 pc=0x8316d0
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*filesystem).SetStatAt(0xc0008ce000, {0x14f87b0, 0xc0009ff500}, 0xc000346480, {{0x18, 0x0, 0x0, 0x0, 0x0, 0x0, ...}, ...})
	<autogenerated>:1 +0x85 fp=0xc0009df698 sp=0xc0009df5d0 pc=0xf9f3c5
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).SetStatAt(0xc0009ac370, {0x14f87b0, 0xc0009ff500}, 0xc000420870, 0x20000480, 0xc0009dfb08)
	pkg/sentry/vfs/vfs.go:583 +0x10f fp=0xc0009df810 sp=0xc0009df698 pc=0x7318af
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.setstatat(0xc0009ff500, 0xffffff9c, {{{0xc0006c9300, 0x439d05}, 0x6fa08a72f3a491}, 0x0, 0x0}, 0x0, 0x1, 0xc000420b08)
	pkg/sentry/syscalls/linux/vfs2/setstat.go:458 +0x508 fp=0xc0009dfaa8 sp=0xc0009df810 pc=0xeda3e8
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.fchownat(0xc0009ff500, 0xffffff9c, 0x20000440, 0x0, 0x0, 0x0)
	pkg/sentry/syscalls/linux/vfs2/setstat.go:120 +0x166 fp=0xc0009dfbc0 sp=0xc0009dfaa8 pc=0xed80e6
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Chown(0x65, {{0x20000440}, {0x0}, {0x0}, {0x7f76e1d61700}, {0x7f76e1d61700}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/setstat.go:84 +0x58 fp=0xc0009dfbf8 sp=0xc0009dfbc0 pc=0xed7e18
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0009ff500, 0x5c, {{0x20000440}, {0x0}, {0x0}, {0x7f76e1d61700}, {0x7f76e1d61700}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:103 +0x2d7 fp=0xc0009dfca8 sp=0xc0009dfbf8 pc=0x9f1817
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0009ff500, 0xf33c60, {{0x20000440}, {0x0}, {0x0}, {0x7f76e1d61700}, {0x7f76e1d61700}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:238 +0x57 fp=0xc0009dfd18 sp=0xc0009dfca8 pc=0x9f25d7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0009d9110, 0x150bb08, {{0x20000440}, {0x0}, {0x0}, {0x7f76e1d61700}, {0x7f76e1d61700}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:198 +0x85 fp=0xc0009dfd78 sp=0xc0009dfd18 pc=0x9f21a5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0009ff500)
	pkg/sentry/kernel/task_syscall.go:173 +0x38e fp=0xc0009dfe40 sp=0xc0009dfd78 pc=0x9f1e6e
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000570200, 0xc0009ff500)
	pkg/sentry/kernel/task_run.go:254 +0x111b fp=0xc0009dff60 sp=0xc0009dfe40 pc=0x9e4f9b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0009ff500, 0x10)
	pkg/sentry/kernel/task_run.go:95 +0x1ec fp=0xc0009dffc0 sp=0xc0009dff60 pc=0x9e380c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start·dwrap·230()
	pkg/sentry/kernel/task_start.go:339 +0x2a fp=0xc0009dffe0 sp=0xc0009dffc0 pc=0x9f018a
runtime.goexit()
	src/runtime/asm_amd64.s:1581 +0x1 fp=0xc0009dffe8 sp=0xc0009dffe0 pc=0x469321
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:339 +0x106