panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0xa8 pc=0xf2a8f0] goroutine 139 [running]: panic(0x115cb80, 0x1d2f3c0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00031b2b8 sp=0xc00031b1f0 pc=0x437c65 runtime.panicmem() GOROOT/src/runtime/panic.go:212 +0x5b fp=0xc00031b2d8 sp=0xc00031b2b8 pc=0x435cbb runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:734 +0x173 fp=0xc00031b310 sp=0xc00031b2d8 pc=0x44fa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).callFuture(0xc000614f60, 0xc0005f8000, 0xc00061b140, 0x1b00000030, 0x8, 0x1) pkg/sentry/fsimpl/fuse/connection.go:299 +0x30 fp=0xc00031b370 sp=0xc00031b310 pc=0xf2a8f0 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).Call(0xc000614f60, 0xc0005f8000, 0xc00061b140, 0x1, 0xc00000001b, 0x14bdca0) pkg/sentry/fsimpl/fuse/connection.go:275 +0xb8 fp=0xc00031b3e0 sp=0xc00031b370 pc=0xf2a698 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*inode).Open(0xc00058d800, 0x14c1ad8, 0xc0005f8000, 0xc000220480, 0xc0002c8b40, 0x241, 0x0, 0xc0002debb0, 0xc0002a7523) pkg/sentry/fsimpl/fuse/fusefs.go:442 +0x289 fp=0xc00031b480 sp=0xc00031b3e0 pc=0xf30b09 gvisor.dev/gvisor/pkg/sentry/fsimpl/kernfs.(*Filesystem).OpenAt(0xc00062e3c0, 0x14c1ad8, 0xc0005f8000, 0xc000220480, 0x241, 0x0, 0x0, 0x0) pkg/sentry/fsimpl/kernfs/filesystem.go:523 +0x124f fp=0xc00031b6d8 sp=0xc00031b480 pc=0x85bccf gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).OpenAt(0xc00016a180, 0x14c1ad8, 0xc0005f8000, 0xc000614d80, 0xc0002a79d0, 0xc00031b9b8, 0x100, 0xc000482780, 0xc00040e900) pkg/sentry/vfs/vfs.go:437 +0x196 fp=0xc00031b918 sp=0xc00031b6d8 pc=0x76b3b6 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.openat(0xc0005f8000, 0xffffff9c, 0x20000000, 0xc000000241, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/syscalls/linux/vfs2/filesystem.go:179 +0x2c5 fp=0xc00031bab8 sp=0xc00031b918 pc=0xe62e05 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Creat(0xc0005f8000, 0x20000000, 0x0, 0x7f426caf6700, 0x7f426caf6700, 0x7f426caf6700, 0x0, 0xce84b, 0xc0002a7bf4, 0x40000002, ...) pkg/sentry/syscalls/linux/vfs2/filesystem.go:165 +0x4f fp=0xc00031bb10 sp=0xc00031bab8 pc=0xe62aef gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0005f8000, 0x55, 0x20000000, 0x0, 0x7f426caf6700, 0x7f426caf6700, 0x7f426caf6700, 0x0, 0x0, 0x1318d60, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc00031bc70 sp=0xc00031bb10 pc=0x9f171c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0005f8000, 0x55, 0x20000000, 0x0, 0x7f426caf6700, 0x7f426caf6700, 0x7f426caf6700, 0x0, 0x7f426caf6700, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc00031bcf8 sp=0xc00031bc70 pc=0x9f28c6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0005f8000, 0x55, 0x20000000, 0x0, 0x7f426caf6700, 0x7f426caf6700, 0x7f426caf6700, 0x0, 0x14d2ce8, 0xc00038ec60) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc00031bd58 sp=0xc00031bcf8 pc=0x9f24b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0005f8000, 0x2, 0xc0005f8000) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc00031be28 sp=0xc00031bd58 pc=0x9f1e5c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0005f8000, 0x1493ca0, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc00031bf68 sp=0xc00031be28 pc=0x9e6b87 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0005f8000, 0x12) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc00031bfd0 sp=0xc00031bf68 pc=0x9e5ac2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00031bfd8 sp=0xc00031bfd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:339 +0xfe