panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0x1035f01] goroutine 163 [running]: panic(0x1272ba0, 0x2020420) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0008c7378 sp=0xc0008c72b0 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc0008c7398 sp=0xc0008c7378 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc0008c73d0 sp=0xc0008c7398 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc000658720, 0xc0008be000, 0xc0006594a0, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/connection.go:306 +0xa1 fp=0xc0008c7448 sp=0xc0008c73d0 pc=0x1035f01 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc000658720, 0xc0008be000, 0xc0006594a0, 0x1, 0x1b, 0x1602660) pkg/sentry/fsimpl/fuse/connection.go:278 +0x97 fp=0xc0008c7488 sp=0xc0008c7448 pc=0x1035cd7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Open(0xc0000f9000, 0x1606298, 0xc0008be000, 0xc0008ba480, 0xc0002222d0, 0x8000000241, 0x0, 0xc000230e30, 0xc0008c75d3) pkg/sentry/fsimpl/fuse/fusefs.go:533 +0x305 fp=0xc0008c7530 sp=0xc0008c7488 pc=0x103cf65 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc0008b8000, 0x1606298, 0xc0008be000, 0xc0008ba480, 0x8000000241, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:688 +0x11d5 fp=0xc0008c7780 sp=0xc0008c7530 pc=0x8b3af5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc000239080, 0x1606298, 0xc0008be000, 0xc000d00600, 0xc0008c7a78, 0xc0008c7a60, 0x100, 0xc0000bc300, 0xc00049a400) pkg/sentry/vfs/vfs.go:530 +0x236 fp=0xc0008c79c0 sp=0xc0008c7780 pc=0x7a1396 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.openat(0xc0008be000, 0xffffff9c, 0x20000240, 0x241, 0x80, 0x0, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:219 +0x31c fp=0xc0008c7b60 sp=0xc0008c79c0 pc=0xf6027c gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Creat(0xc0008be000, 0x20000240, 0x80, 0x561803947c89, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:200 +0x71 fp=0xc0008c7bb8 sp=0xc0008c7b60 pc=0xf5ff11 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0008be000, 0x55, 0x20000240, 0x80, 0x561803947c89, 0x0, 0x0, 0x0, 0xc000001f80, 0x142f0c0, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc0008c7c78 sp=0xc0008c7bb8 pc=0xa848f9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0008be000, 0x55, 0x20000240, 0x80, 0x561803947c89, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc0008c7d00 sp=0xc0008c7c78 pc=0xa85bd0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0008be000, 0x55, 0x20000240, 0x80, 0x561803947c89, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc0008c7d60 sp=0xc0008c7d00 pc=0xa856b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0008be000, 0x2, 0xc0008be000) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc0008c7e30 sp=0xc0008c7d60 pc=0xa84f98 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0008be000, 0x15d88a0, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc0008c7f68 sp=0xc0008c7e30 pc=0xa77eba gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0008be000, 0x1a) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc0008c7fd0 sp=0xc0008c7f68 pc=0xa76c79 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0008c7fd8 sp=0xc0008c7fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:398 +0x116