panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x14478e5]

goroutine 27 [running]:
panic({0x17b9ca0, 0x26a2bc0})
	GOROOT/src/runtime/panic.go:1147 +0x3a8 fp=0xc00071a828 sp=0xc00071a768 pc=0x437d08
runtime.panicmem(...)
	GOROOT/src/runtime/panic.go:221
runtime.sigpanic()
	GOROOT/src/runtime/signal_unix.go:735 +0x327 fp=0xc00071a878 sp=0xc00071a828 pc=0x450187
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc0004b3140, 0xc00071aee8, 0xc0003984c0)
	pkg/sentry/fsimpl/fuse/connection.go:299 +0xc5 fp=0xc00071a910 sp=0xc00071a878 pc=0x14478e5
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc0004b3140, 0xc0004b2fc0, 0xc0003984c0)
	pkg/sentry/fsimpl/fuse/connection.go:275 +0x18f fp=0xc00071a9a0 sp=0xc00071a910 pc=0x144764f
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).setAttr(0xc0005a7000, {0x1c35630, 0xc0005d3500}, 0xc00047c7dc, 0xc00071adf8, {{0x18, 0x0, 0x0, 0x0, 0x0, ...}, ...}, ...)
	pkg/sentry/fsimpl/fuse/fusefs.go:952 +0x36c fp=0xc00071ad20 sp=0xc00071a9a0 pc=0x145600c
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).SetStat(0x8d6d79, {0x1c35630, 0xc0005d3500}, 0xc00026499c, 0xc000000000, {{0x18, 0x0, 0x0, 0x0, 0x0, ...}, ...})
	pkg/sentry/fsimpl/fuse/fusefs.go:920 +0xc6 fp=0xc00071ae28 sp=0xc00071ad20 pc=0x1455c06
gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).SetStatAt(0xc00047c780, {0x1c35630, 0xc0005d3500}, 0xc00052db00, {{0x18, 0x0, 0x0, 0x0, 0x0, 0x0, ...}, ...})
	pkg/sentry/fsimpl/kernfs/filesystem.go:816 +0x2b8 fp=0xc00071b080 sp=0xc00071ae28 pc=0xa507d8
gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*filesystem).SetStatAt(0xc00047c780, {0x1c35630, 0xc0005d3500}, 0xc00052db00, {{0x18, 0x0, 0x0, 0x0, 0x0, 0x0, ...}, ...})
	<autogenerated>:1 +0xb8 fp=0xc00071b160 sp=0xc00071b080 pc=0x14638f8
gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).SetStatAt(0xc0005d3da0, {0x1c35630, 0xc0005d3500}, 0x100, 0x2, 0xc00071b708)
	pkg/sentry/vfs/vfs.go:583 +0x190 fp=0xc00071b300 sp=0xc00071b160 pc=0x8e68d0
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.setstatat(0xc0005d3500, 0xffffff9c, {{{0xc00000af00, 0x0}, 0x0}, 0x0, 0x0}, 0x0, 0x1, 0xc00071b708)
	pkg/sentry/syscalls/linux/vfs2/setstat.go:458 +0x577 fp=0xc00071b690 sp=0xc00071b300 pc=0x134b1d7
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.fchownat(0x46faac, 0x471077, 0x26b5688, 0x1, 0x0, 0x0)
	pkg/sentry/syscalls/linux/vfs2/setstat.go:120 +0x171 fp=0xc00071b7e0 sp=0xc00071b690 pc=0x1348771
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Chown(0x470ec5, {{0x20000440}, {0x0}, {0x0}, {0x7f43e3b85700}, {0x7f43e3b85700}, {0x0}})
	pkg/sentry/syscalls/linux/vfs2/setstat.go:84 +0x46 fp=0xc00071b830 sp=0xc00071b7e0 pc=0x1348486
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0005d3500, 0x5c, {{0x20000440}, {0x0}, {0x0}, {0x7f43e3b85700}, {0x7f43e3b85700}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:103 +0x4dc fp=0xc00071ba80 sp=0xc00071b830 pc=0xcb77dc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0005d3500, 0x46f7f9, {{0x20000440}, {0x0}, {0x0}, {0x7f43e3b85700}, {0x7f43e3b85700}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:238 +0x6a fp=0xc00071bb08 sp=0xc00071ba80 pc=0xcb888a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0005d05a0, 0x46fcac, {{0x20000440}, {0x0}, {0x0}, {0x7f43e3b85700}, {0x7f43e3b85700}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:198 +0x8f fp=0xc00071bb80 sp=0xc00071bb08 pc=0xcb830f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0005d3500)
	pkg/sentry/kernel/task_syscall.go:173 +0x3c5 fp=0xc00071bc88 sp=0xc00071bb80 pc=0xcb7f45
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0005d3500, 0xc0005d3500)
	pkg/sentry/kernel/task_run.go:254 +0x1698 fp=0xc00071beb8 sp=0xc00071bc88 pc=0xca4978
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0005d3500, 0x11)
	pkg/sentry/kernel/task_run.go:95 +0x35b fp=0xc00071bfb0 sp=0xc00071beb8 pc=0xca28bb
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start·dwrap·230()
	pkg/sentry/kernel/task_start.go:339 +0x48 fp=0xc00071bfe0 sp=0xc00071bfb0 pc=0xcb57e8
runtime.goexit()
	src/runtime/asm_amd64.s:1581 +0x1 fp=0xc00071bfe8 sp=0xc00071bfe0 pc=0x46e081
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:339 +0x1a9