panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 1195314 [running]: panic(0x133dc20, 0xc008ca0d98) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0070a33c0 sp=0xc0070a32f8 pc=0x437c65 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc0070a3408 sp=0xc0070a33c0 pc=0x4352c5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc0023bf2c0, 0xc008ca0d90, 0x8, 0x8, 0x1606258, 0x10000c00fd7a000, 0x7fbad836ac68) pkg/sentry/fsimpl/fuse/request_response.go:57 +0x2e5 fp=0xc0070a3428 sp=0xc0070a3408 pc=0x1044f65 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc0023bf2c0, 0xc008ca0d90, 0x8, 0x8, 0xc01a980000, 0x0, 0xc0070a34d0) bazel-out/k8-fastbuild-ST-3ea255117c10/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:34 +0x53 fp=0xc0070a3470 sp=0xc0070a3428 pc=0x104a193 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc0070a3598, 0x1603590, 0xc0023bf2c0, 0x148d840, 0x1429b80) pkg/sentry/fsimpl/fuse/request_response.go:253 +0xee fp=0xc0070a34e0 sp=0xc0070a3470 pc=0x104560e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc006524540, 0xc0070a3598, 0xc00028e200, 0x0, 0x1038ec7) pkg/sentry/fsimpl/fuse/connection_control.go:109 +0xe5 fp=0xc0070a3520 sp=0xc0070a34e0 pc=0x1036845 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc00ab81900, 0x1606258, 0xc00fd7a000, 0xc0070a3598, 0x0, 0x1) pkg/sentry/fsimpl/fuse/dev.go:548 +0xdb fp=0xc0070a3560 sp=0xc0070a3520 pc=0x10392bb gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc00ab81900, 0x1606258, 0xc00fd7a000, 0xc101c3e800, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:505 +0x150 fp=0xc0070a35e8 sp=0xc0070a3560 pc=0x1038f90 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc00ab81900, 0x1606258, 0xc00fd7a000, 0x1600760, 0xc007e7c000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:411 +0x44a fp=0xc0070a37c0 sp=0xc0070a35e8 pc=0x10384ea gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc00ab81900, 0x1606258, 0xc00fd7a000, 0x1600760, 0xc007e7c000, 0x0, 0x1, 0x20000000, 0x18, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:294 +0x10a fp=0xc0070a3860 sp=0xc0070a37c0 pc=0x103802a gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00ab81900, 0x1606258, 0xc00fd7a000, 0x1600760, 0xc007e7c000, 0x0, 0x1, 0x20000000, 0x18, 0x100, ...) pkg/sentry/vfs/file_description.go:748 +0xc3 fp=0xc0070a38f8 sp=0xc0070a3860 pc=0x788ca3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc00fd7a000, 0xc00ab81900, 0x1600760, 0xc007e7c000, 0x0, 0x1, 0x20000000, 0x18, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:430 +0xa5 fp=0xc0070a3a88 sp=0xc0070a38f8 pc=0xf70425 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00fd7a000, 0x3, 0x20000000, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:393 +0x293 fp=0xc0070a3bb8 sp=0xc0070a3a88 pc=0xf6fc33 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00fd7a000, 0x1, 0x3, 0x20000000, 0x18, 0x0, 0x0, 0x0, 0x0, 0x142f0c0, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc0070a3c78 sp=0xc0070a3bb8 pc=0xa84579 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00fd7a000, 0x1, 0x3, 0x20000000, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc0070a3d00 sp=0xc0070a3c78 pc=0xa85850 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00fd7a000, 0x1, 0x3, 0x20000000, 0x18, 0x0, 0x0, 0x0, 0xc012699040, 0x1617468) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc0070a3d60 sp=0xc0070a3d00 pc=0xa85334 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00fd7a000, 0x2, 0xc00fd7a000) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc0070a3e30 sp=0xc0070a3d60 pc=0xa84c18 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00fd7a000, 0x15d8860, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc0070a3f68 sp=0xc0070a3e30 pc=0xa77b3a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00fd7a000, 0xd14d) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc0070a3fd0 sp=0xc0070a3f68 pc=0xa768f9 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0070a3fd8 sp=0xc0070a3fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:398 +0x116