panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 1334401 [running]: panic(0x1a11400, 0xc02bb0e390) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00093ea90 sp=0xc00093e9c8 pc=0x43a6c5 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:106 +0xa5 fp=0xc00093ead8 sp=0xc00093ea90 pc=0x437d25 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc0009fc1e0, 0xc02bb0e388, 0x8, 0x8, 0x40ff4b, 0x1766870, 0x478c42) pkg/sentry/fsimpl/fuse/request_response.go:54 +0xa53 fp=0xc00093eb48 sp=0xc00093ead8 pc=0x159a353 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc0009fc1e0, 0xc02bb0e388, 0x8, 0x8, 0x50, 0xc00093ec10, 0xc0009fc1e0) bazel-out/k8-fastbuild-ST-fa7f2b6368d1/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x5b fp=0xc00093eba8 sp=0xc00093eb48 pc=0x15a099b gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc00093ee10, 0x1dcae30, 0xc0009fc1e0, 0x145c81, 0xc00146e180) pkg/sentry/fsimpl/fuse/request_response.go:228 +0x177 fp=0xc00093ec40 sp=0xc00093eba8 pc=0x159afd7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc0948fbec0, 0xc00093ee10, 0x1b55101, 0x1b019c0, 0xc0002f0780) pkg/sentry/fsimpl/fuse/connection_control.go:102 +0x16f fp=0xc00093ecf8 sp=0xc00093ec40 pc=0x158618f gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc00bd3c200, 0x1dcdb78, 0xc025304a80, 0xc00093ee10, 0x87cc25, 0x0) pkg/sentry/fsimpl/fuse/dev.go:465 +0x217 fp=0xc00093ed78 sp=0xc00093ecf8 pc=0x158a2d7 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc00bd3c200, 0x1dcdb78, 0xc025304a80, 0xc02061c2c0, 0x0, 0x0) pkg/sentry/fsimpl/fuse/dev.go:428 +0x27d fp=0xc00093ee50 sp=0xc00093ed78 pc=0x1589d1d gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc00bd3c200, 0x1dcdb78, 0xc025304a80, 0x1dc7d60, 0xc028bf1000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:352 +0x67c fp=0xc00093f140 sp=0xc00093ee50 pc=0x1588c3c gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc00bd3c200, 0x1dcdb78, 0xc025304a80, 0x1dc7d60, 0xc028bf1000, 0x0, 0x1, 0x20000240, 0x18, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:257 +0x165 fp=0xc00093f248 sp=0xc00093f140 pc=0x1588545 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00bd3c200, 0x1dcdb78, 0xc025304a80, 0x1dc7d60, 0xc028bf1000, 0x0, 0x1, 0x20000240, 0x18, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0x131 fp=0xc00093f328 sp=0xc00093f248 pc=0x961651 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc025304a80, 0xc00bd3c200, 0x1dc7d60, 0xc028bf1000, 0x0, 0x1, 0x20000240, 0x18, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0xee fp=0xc00093f570 sp=0xc00093f328 pc=0x146b0ee gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc025304a80, 0x3, 0x20000240, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x308 fp=0xc00093f728 sp=0xc00093f570 pc=0x146a8e8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc025304a80, 0x1, 0x3, 0x20000240, 0x18, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x195 fp=0xc00093f9b8 sp=0xc00093f728 pc=0xd8cd95 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc025304a80, 0x1, 0x3, 0x20000240, 0x18, 0x0, 0x0, 0x0, 0xc02530535f, 0xc025304a80) pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc00093fa90 sp=0xc00093f9b8 pc=0xd8e7b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc025304a80, 0x1, 0x3, 0x20000240, 0x18, 0x0, 0x0, 0x0, 0x1ffffffff, 0xc000000000) pkg/sentry/kernel/task_syscall.go:198 +0x10f fp=0xc00093fb38 sp=0xc00093fa90 pc=0xd8e0af gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc025304a80, 0x2, 0xc025304a80) pkg/sentry/kernel/task_syscall.go:173 +0x214 fp=0xc00093fca8 sp=0xc00093fb38 pc=0xd8d834 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc025304a80, 0x1d9f880, 0x0) pkg/sentry/kernel/task_run.go:254 +0x1287 fp=0xc00093fed8 sp=0xc00093fca8 pc=0xd799a7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc025304a80, 0xef37) pkg/sentry/kernel/task_run.go:95 +0x353 fp=0xc00093ffd0 sp=0xc00093fed8 pc=0xd77f53 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00093ffd8 sp=0xc00093ffd0 pc=0x477541 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:339 +0x1a5