panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0x103687a] goroutine 127 [running]: panic(0x1273c40, 0x2022520) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00084d360 sp=0xc00084d298 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc00084d380 sp=0xc00084d360 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc00084d3b8 sp=0xc00084d380 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc000513f80, 0xc000849500, 0xc000b8c9c0, 0x1b00000030, 0x8, 0x1) pkg/sentry/fsimpl/fuse/connection.go:318 +0x3a fp=0xc00084d418 sp=0xc00084d3b8 pc=0x103687a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc000513f80, 0xc000849500, 0xc000b8c9c0, 0x1, 0x1b, 0x1603be0) pkg/sentry/fsimpl/fuse/connection.go:291 +0xf2 fp=0xc00084d488 sp=0xc00084d418 pc=0x1036592 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Open(0xc000581000, 0x1607818, 0xc000849500, 0xc000b26480, 0xc00049f200, 0x241, 0x0, 0xc000398d90, 0xc0008875d3) pkg/sentry/fsimpl/fuse/fusefs.go:536 +0x305 fp=0xc00084d530 sp=0xc00084d488 pc=0x103d985 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc00083e0c0, 0x1607818, 0xc000849500, 0xc000b26480, 0x241, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:688 +0x11d5 fp=0xc00084d780 sp=0xc00084d530 pc=0x8b3af5 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00048c180, 0x1607818, 0xc000849500, 0xc000513d40, 0xc000887a78, 0xc00084da60, 0x100, 0xc000594660, 0xc0004fc000) pkg/sentry/vfs/vfs.go:530 +0x236 fp=0xc00084d9c0 sp=0xc00084d780 pc=0x7a1396 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.openat(0xc000849500, 0xffffff9c, 0x20000000, 0x241, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:219 +0x31c fp=0xc00084db60 sp=0xc00084d9c0 pc=0xf6033c gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Creat(0xc000849500, 0x20000000, 0x0, 0x7f46d2e72700, 0x7f46d2e72700, 0x7f46d2e72700, 0x0, 0x0, 0x0, 0x857f00000000, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:200 +0x71 fp=0xc00084dbb8 sp=0xc00084db60 pc=0xf5ffd1 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000849500, 0x55, 0x20000000, 0x0, 0x7f46d2e72700, 0x7f46d2e72700, 0x7f46d2e72700, 0x0, 0x0, 0x1430260, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc00084dc78 sp=0xc00084dbb8 pc=0xa84619 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000849500, 0x55, 0x20000000, 0x0, 0x7f46d2e72700, 0x7f46d2e72700, 0x7f46d2e72700, 0x0, 0x7f46d2e72700, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc00084dd00 sp=0xc00084dc78 pc=0xa858f0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000849500, 0x55, 0x20000000, 0x0, 0x7f46d2e72700, 0x7f46d2e72700, 0x7f46d2e72700, 0x0, 0xc0008432b0, 0x1618a28) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc00084dd60 sp=0xc00084dd00 pc=0xa853d4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000849500, 0x2, 0xc000849500) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc00084de30 sp=0xc00084dd60 pc=0xa84cb8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000849500, 0x15d9e00, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc00084df68 sp=0xc00084de30 pc=0xa77b5a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000849500, 0x12) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc00084dfd0 sp=0xc00084df68 pc=0xa76919 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00084dfd8 sp=0xc00084dfd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:396 +0x116