panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x15855cf] goroutine 237 [running]: panic(0x1943720, 0x26d2bc0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000666c00 sp=0xc000666b38 pc=0x43a6c5 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc000666c20 sp=0xc000666c00 pc=0x43871b runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc000666c58 sp=0xc000666c20 pc=0x453db3 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc00034ff20, 0xc000641500, 0xc000479ce0, 0x0, 0x0, 0xc000666f48) pkg/sentry/fsimpl/fuse/connection.go:299 +0xcf fp=0xc000666ce8 sp=0xc000666c58 pc=0x15855cf gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc00034ff20, 0xc000641500, 0xc000479ce0, 0x1, 0xc00000001b, 0x1dc9ec0) pkg/sentry/fsimpl/fuse/connection.go:275 +0x165 fp=0xc000666d80 sp=0xc000666ce8 pc=0x15851e5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Open(0xc0003d6c00, 0x1dcdb78, 0xc000641500, 0xc000793680, 0xc0004a2120, 0x241, 0x0, 0xc000666f20, 0x44cb6a) pkg/sentry/fsimpl/fuse/fusefs.go:442 +0x4d0 fp=0xc000666ec8 sp=0xc000666d80 pc=0x158f850 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc0002b6000, 0x1dcdb78, 0xc000641500, 0xc000793680, 0x241, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:523 +0x17da fp=0xc0006671a8 sp=0xc000666ec8 pc=0xb06e3a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*filesystem).OpenAt(0xc0002b6000, 0x1dcdb78, 0xc000641500, 0xc000793680, 0x8241, 0x1, 0x1da18a0, 0x3167558) :1 +0x91 fp=0xc000667210 sp=0xc0006671a8 pc=0x15a4351 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00032e900, 0x1dcdb78, 0xc000641500, 0xc00061ea20, 0xc000667600, 0xc000667528, 0x100, 0xc0004786c0, 0xc0004a7b00) pkg/sentry/vfs/vfs.go:437 +0x302 fp=0xc000667490 sp=0xc000667210 pc=0x981342 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.openat(0xc000641500, 0xffffff9c, 0x20000000, 0x241, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:179 +0x31e fp=0xc0006676b0 sp=0xc000667490 pc=0x145969e gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Creat(0xc000641500, 0x20000000, 0x0, 0x7f32b4ee0700, 0x7f32b4ee0700, 0x7f32b4ee0700, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:165 +0x67 fp=0xc000667728 sp=0xc0006676b0 pc=0x1459307 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000641500, 0x55, 0x20000000, 0x0, 0x7f32b4ee0700, 0x7f32b4ee0700, 0x7f32b4ee0700, 0x0, 0x0, 0x0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x195 fp=0xc0006679b8 sp=0xc000667728 pc=0xd8cd95 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000641500, 0x55, 0x20000000, 0x0, 0x7f32b4ee0700, 0x7f32b4ee0700, 0x7f32b4ee0700, 0x0, 0xc000641ddf, 0xc000641500) pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc000667a90 sp=0xc0006679b8 pc=0xd8e7b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000641500, 0x55, 0x20000000, 0x0, 0x7f32b4ee0700, 0x7f32b4ee0700, 0x7f32b4ee0700, 0x0, 0x1ffffffff, 0xc000000000) pkg/sentry/kernel/task_syscall.go:198 +0x10f fp=0xc000667b38 sp=0xc000667a90 pc=0xd8e0af gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000641500, 0x2, 0xc000641500) pkg/sentry/kernel/task_syscall.go:173 +0x214 fp=0xc000667ca8 sp=0xc000667b38 pc=0xd8d834 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000641500, 0x1d9f880, 0x0) pkg/sentry/kernel/task_run.go:254 +0x1287 fp=0xc000667ed8 sp=0xc000667ca8 pc=0xd799a7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000641500, 0x10) pkg/sentry/kernel/task_run.go:95 +0x353 fp=0xc000667fd0 sp=0xc000667ed8 pc=0xd77f53 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000667fd8 sp=0xc000667fd0 pc=0x477541 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:339 +0x1a5