panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 244 [running]: panic(0x1a055a0, 0xc000732258) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00026ea90 sp=0xc00026e9c8 pc=0x43a6c5 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc00026ead8 sp=0xc00026ea90 pc=0x437d25 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc0001d45a0, 0xc000732250, 0x8, 0x8, 0x40ff4b, 0x175be30, 0x478c42) pkg/sentry/fsimpl/fuse/request_response.go:54 +0xa53 fp=0xc00026eb48 sp=0xc00026ead8 pc=0x158e933 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc0001d45a0, 0xc000732250, 0x8, 0x8, 0x50, 0xc0001d45a0, 0xc0001d45a0) bazel-out/k8-fastbuild-ST-fa7f2b6368d1/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x5b fp=0xc00026eba8 sp=0xc00026eb48 pc=0x1594f7b gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc00026ee10, 0x1dbc3b0, 0xc0001d45a0, 0xf4, 0xc00058b380) pkg/sentry/fsimpl/fuse/request_response.go:228 +0x177 fp=0xc00026ec40 sp=0xc00026eba8 pc=0x158f5b7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc000304c00, 0xc00026ee10, 0x1b48201, 0x1af4a60, 0xc00032e780) pkg/sentry/fsimpl/fuse/connection_control.go:102 +0x16f fp=0xc00026ecf8 sp=0xc00026ec40 pc=0x157a8cf gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc000366200, 0x1dbf018, 0xc0002d8a80, 0xc00026ee10, 0x87cc25, 0x0) pkg/sentry/fsimpl/fuse/dev.go:453 +0x217 fp=0xc00026ed78 sp=0xc00026ecf8 pc=0x157e957 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc000366200, 0x1dbf018, 0xc0002d8a80, 0xc00025ee00, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:416 +0x27d fp=0xc00026ee50 sp=0xc00026ed78 pc=0x157e39d gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc000366200, 0x1dbf018, 0xc0002d8a80, 0x1db92e0, 0xc000265000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:341 +0x67c fp=0xc00026f140 sp=0xc00026ee50 pc=0x157d2bc gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc000366200, 0x1dbf018, 0xc0002d8a80, 0x1db92e0, 0xc000265000, 0x0, 0x1, 0x20000080, 0x18, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:247 +0x165 fp=0xc00026f248 sp=0xc00026f140 pc=0x157cbc5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000366200, 0x1dbf018, 0xc0002d8a80, 0x1db92e0, 0xc000265000, 0x0, 0x1, 0x20000080, 0x18, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0x131 fp=0xc00026f328 sp=0xc00026f248 pc=0x961651 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc0002d8a80, 0xc000366200, 0x1db92e0, 0xc000265000, 0x0, 0x1, 0x20000080, 0x18, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0xee fp=0xc00026f570 sp=0xc00026f328 pc=0x14605ce gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc0002d8a80, 0x3, 0x20000080, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x308 fp=0xc00026f728 sp=0xc00026f570 pc=0x145fdc8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0002d8a80, 0x1, 0x3, 0x20000080, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x195 fp=0xc00026f9b8 sp=0xc00026f728 pc=0xd8d1b5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0002d8a80, 0x1, 0x3, 0x20000080, 0x18, 0x0, 0x0, 0x0, 0xc0002d935f, 0xc0002d8a80) pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc00026fa90 sp=0xc00026f9b8 pc=0xd8ebd4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0002d8a80, 0x1, 0x3, 0x20000080, 0x18, 0x0, 0x0, 0x0, 0x1ffffffff, 0xc000000000) pkg/sentry/kernel/task_syscall.go:198 +0x10f fp=0xc00026fb38 sp=0xc00026fa90 pc=0xd8e4cf gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0002d8a80, 0x2, 0xc0002d8a80) pkg/sentry/kernel/task_syscall.go:173 +0x214 fp=0xc00026fca8 sp=0xc00026fb38 pc=0xd8dc54 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0002d8a80, 0x1d91500, 0x0) pkg/sentry/kernel/task_run.go:254 +0x1287 fp=0xc00026fed8 sp=0xc00026fca8 pc=0xd79e87 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0002d8a80, 0xf) pkg/sentry/kernel/task_run.go:95 +0x353 fp=0xc00026ffd0 sp=0xc00026fed8 pc=0xd78433 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00026ffd8 sp=0xc00026ffd0 pc=0x477541 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0x1a5