panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 402778 [running]: panic(0x133ed80, 0xc00c7d8030) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0009c13c0 sp=0xc0009c12f8 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc0009c1408 sp=0xc0009c13c0 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc0001980a0, 0xc00fa26010, 0x14, 0x14, 0x1607818, 0x10000c00547ea80, 0x7fb0d4767748) pkg/sentry/fsimpl/fuse/request_response.go:65 +0x277 fp=0xc0009c1428 sp=0xc0009c1408 pc=0x10457f7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc0001980a0, 0xc00fa26010, 0x14, 0x14, 0xc0030d8000, 0x0, 0xc0009c14d0) bazel-out/k8-fastbuild-ST-3ea255117c10/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:34 +0x53 fp=0xc0009c1470 sp=0xc0009c1428 pc=0x104aa93 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc0009c1598, 0x1604b50, 0xc0001980a0, 0x148eaf8, 0x142ad20) pkg/sentry/fsimpl/fuse/request_response.go:253 +0xee fp=0xc0009c14e0 sp=0xc0009c1470 pc=0x1045f0e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc0079d1b00, 0xc0009c1598, 0xc00051a001, 0x1, 0x10397e7) pkg/sentry/fsimpl/fuse/connection_control.go:109 +0xe5 fp=0xc0009c1520 sp=0xc0009c14e0 pc=0x1037045 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc00dae4400, 0x1607818, 0xc00547ea80, 0xc0009c1598, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:561 +0xdb fp=0xc0009c1560 sp=0xc0009c1520 pc=0x1039bdb gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc00dae4400, 0x1607818, 0xc00547ea80, 0xc0054596c0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:518 +0x150 fp=0xc0009c15e8 sp=0xc0009c1560 pc=0x10398b0 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc00dae4400, 0x1607818, 0xc00547ea80, 0x1601d20, 0xc005ba9000, 0x0, 0x1, 0x200000a4, 0x54, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:423 +0x45f fp=0xc0009c17c0 sp=0xc0009c15e8 pc=0x1038dbf gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc00dae4400, 0x1607818, 0xc00547ea80, 0x1601d20, 0xc005ba9000, 0x0, 0x1, 0x20000080, 0x78, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:305 +0x10a fp=0xc0009c1860 sp=0xc0009c17c0 pc=0x10388ea gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00dae4400, 0x1607818, 0xc00547ea80, 0x1601d20, 0xc005ba9000, 0x0, 0x1, 0x20000080, 0x78, 0x100, ...) pkg/sentry/vfs/file_description.go:748 +0xc3 fp=0xc0009c18f8 sp=0xc0009c1860 pc=0x788ca3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc00547ea80, 0xc00dae4400, 0x1601d20, 0xc005ba9000, 0x0, 0x1, 0x20000080, 0x78, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:430 +0xa5 fp=0xc0009c1a88 sp=0xc0009c18f8 pc=0xf70865 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00547ea80, 0x3, 0x20000080, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:393 +0x293 fp=0xc0009c1bb8 sp=0xc0009c1a88 pc=0xf70073 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00547ea80, 0x1, 0x3, 0x20000080, 0x78, 0x0, 0x0, 0x0, 0x0, 0x1430260, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc0009c1c78 sp=0xc0009c1bb8 pc=0xa84619 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00547ea80, 0x1, 0x3, 0x20000080, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc0009c1d00 sp=0xc0009c1c78 pc=0xa858f0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00547ea80, 0x1, 0x3, 0x20000080, 0x78, 0x0, 0x0, 0x0, 0xc002490dd0, 0x1618a28) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc0009c1d60 sp=0xc0009c1d00 pc=0xa853d4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00547ea80, 0x2, 0xc00547ea80) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc0009c1e30 sp=0xc0009c1d60 pc=0xa84cb8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00547ea80, 0x15d9e00, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc0009c1f68 sp=0xc0009c1e30 pc=0xa77b5a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00547ea80, 0x48e1) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc0009c1fd0 sp=0xc0009c1f68 pc=0xa76919 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0009c1fd8 sp=0xc0009c1fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:396 +0x116