panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 190203 [running]: panic({0x113c480, 0xc013e764f8}) GOROOT/src/runtime/panic.go:1147 +0x3a8 fp=0xc0011cb390 sp=0xc0011cb2d0 pc=0x4351c8 runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:108 +0x75 fp=0xc0011cb3d0 sp=0xc0011cb390 pc=0x4327d5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0x7f9228c97420, {0xc013e764f0, 0x44, 0x7f9296be3878}) pkg/sentry/fsimpl/fuse/request_response.go:54 +0x286 fp=0xc0011cb3f0 sp=0xc0011cb3d0 pc=0xea2806 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc005c6e6e0, {0xc013e764f0, 0xc007297270, 0xc0011cb460}) bazel-out/k8-fastbuild-ST-3ea255117c10/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x1e fp=0xc0011cb420 sp=0xc0011cb3f0 pc=0xea645e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc0011cb528, {0x13be520, 0xc005c6e6e0}) pkg/sentry/fsimpl/fuse/request_response.go:226 +0x98 fp=0xc0011cb470 sp=0xc0011cb420 pc=0xea2df8 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0x13c7750, 0xc0011cb528, 0xf8) pkg/sentry/fsimpl/fuse/connection_control.go:102 +0xba fp=0xc0011cb4b0 sp=0xc0011cb470 pc=0xe96bba gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc001416600, {0x13c7750, 0xc0039c4000}, 0xc0011cb528) pkg/sentry/fsimpl/fuse/dev.go:454 +0xf7 fp=0xc0011cb4e0 sp=0xc0011cb4b0 pc=0xe98e17 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc001416600, {0x13c7750, 0xc0039c4000}, 0xc006c70800) pkg/sentry/fsimpl/fuse/dev.go:417 +0x12c fp=0xc0011cb570 sp=0xc0011cb4e0 pc=0xe98aac gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc001416600, {0x13c7750, 0xc0039c4000}, {{0x13bbfb8, 0xc0127b7000}, {0x0, 0x0, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/fsimpl/fuse/dev.go:341 +0x81e fp=0xc0011cb798 sp=0xc0011cb570 pc=0xe9861e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc001416600, {0x13c7750, 0xc0039c4000}, {{0x13bbfb8, 0xc0127b7000}, {0x0, 0x1, 0x20000080, 0x18}, {0x0, ...}}, ...) pkg/sentry/fsimpl/fuse/dev.go:246 +0x109 fp=0xc0011cb840 sp=0xc0011cb798 pc=0xe97d09 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc001416600, {0x13c7750, 0xc0039c4000}, {{0x13bbfb8, 0xc0127b7000}, {0x0, 0x1, 0x20000080, 0x18}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:657 +0x91 fp=0xc0011cb8c0 sp=0xc0011cb840 pc=0x6ec2b1 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0x9f0fbb, 0xc001416600, {{0x13bbfb8, 0xc0127b7000}, {0x0, 0x1, 0x20000080, 0x18}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x85 fp=0xc0011cba10 sp=0xc0011cb8c0 pc=0xdebca5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc0039c4000, {{0x3}, {0x20000080}, {0x18}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x210 fp=0xc0011cbb50 sp=0xc0011cba10 pc=0xdeb530 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0039c4000, 0x1, {{0x3}, {0x20000080}, {0x18}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:103 +0x376 fp=0xc0011cbca0 sp=0xc0011cbb50 pc=0x96b496 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0039c4000, 0xc00080af60, {{0x3}, {0x20000080}, {0x18}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:238 +0x4d fp=0xc0011cbd10 sp=0xc0011cbca0 pc=0x96c00d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x13dad48, 0xc006bb6480, {{0x3}, {0x20000080}, {0x18}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:198 +0x65 fp=0xc0011cbd70 sp=0xc0011cbd10 pc=0x96bcc5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0039c4000) pkg/sentry/kernel/task_syscall.go:173 +0x31a fp=0xc0011cbe38 sp=0xc0011cbd70 pc=0x96b9fa gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00f7cfd80, 0xc0039c4000) pkg/sentry/kernel/task_run.go:254 +0xe45 fp=0xc0011cbf60 sp=0xc0011cbe38 pc=0x960965 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0039c4000, 0x266d) pkg/sentry/kernel/task_run.go:95 +0x1ac fp=0xc0011cbfc0 sp=0xc0011cbf60 pc=0x95f4ac gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start·dwrap·230() pkg/sentry/kernel/task_start.go:339 +0x2a fp=0xc0011cbfe0 sp=0xc0011cbfc0 pc=0x969fea runtime.goexit() src/runtime/asm_amd64.s:1581 +0x1 fp=0xc0011cbfe8 sp=0xc0011cbfe0 pc=0x469321 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:339 +0xfe