panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 178 [running]: panic(0x13359c0, 0xc000300030) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0007413c0 sp=0xc0007412f8 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc000741408 sp=0xc0007413c0 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc0007ac000, 0xc000300028, 0x8, 0x8, 0x15fbc01, 0x10100c0007a4a80, 0x3f5746fd5988) pkg/sentry/fsimpl/fuse/request_response.go:57 +0x2e5 fp=0xc000741428 sp=0xc000741408 pc=0x103d185 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc0007ac000, 0xc000300028, 0x8, 0x8, 0xc000720400, 0x0, 0xc0007414d0) bazel-out/k8-fastbuild-ST-4c64f0b3d5c7/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:34 +0x53 fp=0xc000741470 sp=0xc000741428 pc=0x10423b3 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc000741598, 0x15f9070, 0xc0007ac000, 0x1484470, 0x1420860) pkg/sentry/fsimpl/fuse/request_response.go:253 +0xee fp=0xc0007414e0 sp=0xc000741470 pc=0x103d82e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc0002fdaa0, 0xc000741598, 0xc0004bc601, 0x1, 0x10310e7) pkg/sentry/fsimpl/fuse/connection_control.go:109 +0xe5 fp=0xc000741520 sp=0xc0007414e0 pc=0x102ea65 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc0004e0000, 0x15fbc58, 0xc0007a4a80, 0xc000741598, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:548 +0xdb fp=0xc000741560 sp=0xc000741520 pc=0x10314db gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc0004e0000, 0x15fbc58, 0xc0007a4a80, 0xc0000cac40, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:505 +0x150 fp=0xc0007415e8 sp=0xc000741560 pc=0x10311b0 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc0004e0000, 0x15fbc58, 0xc0007a4a80, 0x15f6240, 0xc0007bb000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:411 +0x44a fp=0xc0007417c0 sp=0xc0007415e8 pc=0x103070a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc0004e0000, 0x15fbc58, 0xc0007a4a80, 0x15f6240, 0xc0007bb000, 0x0, 0x1, 0x20002280, 0x18, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:294 +0x10a fp=0xc000741860 sp=0xc0007417c0 pc=0x103024a gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0004e0000, 0x15fbc58, 0xc0007a4a80, 0x15f6240, 0xc0007bb000, 0x0, 0x1, 0x20002280, 0x18, 0x100, ...) pkg/sentry/vfs/file_description.go:748 +0xc3 fp=0xc0007418f8 sp=0xc000741860 pc=0x788ca3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc0007a4a80, 0xc0004e0000, 0x15f6240, 0xc0007bb000, 0x0, 0x1, 0x20002280, 0x18, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:430 +0xa5 fp=0xc000741a88 sp=0xc0007418f8 pc=0xf68dc5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc0007a4a80, 0x3, 0x20002280, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:393 +0x293 fp=0xc000741bb8 sp=0xc000741a88 pc=0xf685d3 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0007a4a80, 0x1, 0x3, 0x20002280, 0x18, 0x0, 0x0, 0x0, 0xc000001fa0, 0x1425da0, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc000741c78 sp=0xc000741bb8 pc=0xa84959 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0007a4a80, 0x1, 0x3, 0x20002280, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc000741d00 sp=0xc000741c78 pc=0xa85c30 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0007a4a80, 0x1, 0x3, 0x20002280, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc000741d60 sp=0xc000741d00 pc=0xa85714 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0007a4a80, 0x2, 0xc0007a4a80) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc000741e30 sp=0xc000741d60 pc=0xa84ff8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0007a4a80, 0x15cea40, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc000741f68 sp=0xc000741e30 pc=0xa77f1a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0007a4a80, 0xf) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc000741fd0 sp=0xc000741f68 pc=0xa76cd9 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000741fd8 sp=0xc000741fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:398 +0x116