panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 235 [running]: panic(0x1a055a0, 0xc000042750) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0002b8a90 sp=0xc0002b89c8 pc=0x43a6c5 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc0002b8ad8 sp=0xc0002b8a90 pc=0x437d25 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc0001ea640, 0xc000042748, 0x8, 0x8, 0x40ff4b, 0x175be30, 0x478c42) pkg/sentry/fsimpl/fuse/request_response.go:54 +0xa53 fp=0xc0002b8b48 sp=0xc0002b8ad8 pc=0x158e933 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc0001ea640, 0xc000042748, 0x8, 0x8, 0x50, 0xc0001ea640, 0xc0001ea640) bazel-out/k8-fastbuild-ST-fa7f2b6368d1/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x5b fp=0xc0002b8ba8 sp=0xc0002b8b48 pc=0x1594f7b gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc0002b8e10, 0x1dbc3b0, 0xc0001ea640, 0xeb, 0xc00038e180) pkg/sentry/fsimpl/fuse/request_response.go:228 +0x177 fp=0xc0002b8c40 sp=0xc0002b8ba8 pc=0x158f5b7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc0005c0d80, 0xc0002b8e10, 0x1b48201, 0x1af4a60, 0xc0002ee780) pkg/sentry/fsimpl/fuse/connection_control.go:102 +0x16f fp=0xc0002b8cf8 sp=0xc0002b8c40 pc=0x157a8cf gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc00032a300, 0x1dbf018, 0xc00080ca80, 0xc0002b8e10, 0x87cc25, 0x0) pkg/sentry/fsimpl/fuse/dev.go:453 +0x217 fp=0xc0002b8d78 sp=0xc0002b8cf8 pc=0x157e957 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc00032a300, 0x1dbf018, 0xc00080ca80, 0xc000450b40, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:416 +0x27d fp=0xc0002b8e50 sp=0xc0002b8d78 pc=0x157e39d gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc00032a300, 0x1dbf018, 0xc00080ca80, 0x1db92e0, 0xc000204000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:341 +0x67c fp=0xc0002b9140 sp=0xc0002b8e50 pc=0x157d2bc gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc00032a300, 0x1dbf018, 0xc00080ca80, 0x1db92e0, 0xc000204000, 0x0, 0x1, 0x20002280, 0x18, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:247 +0x165 fp=0xc0002b9248 sp=0xc0002b9140 pc=0x157cbc5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00032a300, 0x1dbf018, 0xc00080ca80, 0x1db92e0, 0xc000204000, 0x0, 0x1, 0x20002280, 0x18, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0x131 fp=0xc0002b9328 sp=0xc0002b9248 pc=0x961651 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc00080ca80, 0xc00032a300, 0x1db92e0, 0xc000204000, 0x0, 0x1, 0x20002280, 0x18, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0xee fp=0xc0002b9570 sp=0xc0002b9328 pc=0x14605ce gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00080ca80, 0x3, 0x20002280, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x308 fp=0xc0002b9728 sp=0xc0002b9570 pc=0x145fdc8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00080ca80, 0x1, 0x3, 0x20002280, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x195 fp=0xc0002b99b8 sp=0xc0002b9728 pc=0xd8d1b5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00080ca80, 0x1, 0x3, 0x20002280, 0x18, 0x0, 0x0, 0x0, 0xc00080d35f, 0xc00080ca80) pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc0002b9a90 sp=0xc0002b99b8 pc=0xd8ebd4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00080ca80, 0x1, 0x3, 0x20002280, 0x18, 0x0, 0x0, 0x0, 0x1ffffffff, 0xc000000000) pkg/sentry/kernel/task_syscall.go:198 +0x10f fp=0xc0002b9b38 sp=0xc0002b9a90 pc=0xd8e4cf gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00080ca80, 0x2, 0xc00080ca80) pkg/sentry/kernel/task_syscall.go:173 +0x214 fp=0xc0002b9ca8 sp=0xc0002b9b38 pc=0xd8dc54 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00080ca80, 0x1d91500, 0x0) pkg/sentry/kernel/task_run.go:254 +0x1287 fp=0xc0002b9ed8 sp=0xc0002b9ca8 pc=0xd79e87 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00080ca80, 0xe) pkg/sentry/kernel/task_run.go:95 +0x353 fp=0xc0002b9fd0 sp=0xc0002b9ed8 pc=0xd78433 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0002b9fd8 sp=0xc0002b9fd0 pc=0x477541 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0x1a5