panic: runtime error: slice bounds out of range [:4] with capacity 0 goroutine 322 [running]: panic({0x3f4ee0, 0xc000358540}) GOROOT/src/runtime/panic.go:987 +0x3bb fp=0xc000c0ac70 sp=0xc000c0abb0 pc=0x11a129b runtime.goPanicSliceAcap(0x4, 0x0) GOROOT/src/runtime/panic.go:139 +0x7f fp=0xc000c0acb0 sp=0xc000c0ac70 pc=0x119f4df gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalBytes(0xc0006e0000, {0xc0006df240, 0x0, 0x0}) pkg/sentry/fsimpl/fuse/request_response.go:50 +0xa13 fp=0xc000c0ad18 sp=0xc000c0acb0 pc=0x207e3f3 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*fuseInitRes).UnmarshalUnsafe(0xc0006e0000?, {0xc0006df240, 0x0, 0x0}) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/fsimpl/fuse/fuse_abi_autogen_unsafe.go:30 +0x65 fp=0xc000c0ad68 sp=0xc000c0ad18 pc=0x2084905 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*Response).UnmarshalPayload(0xc000c0af88, {0x73a770, 0xc0006e0000}) pkg/sentry/fsimpl/fuse/request_response.go:225 +0x27a fp=0xc000c0add8 sp=0xc000c0ad68 pc=0x207f1fa gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*connection).InitRecv(0xc000d00d20?, 0xc00089ea80?, 0x0?) pkg/sentry/fsimpl/fuse/connection_control.go:100 +0x125 fp=0xc000c0ae98 sp=0xc000c0add8 pc=0x2064725 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).asyncCallBack(0xc0001ce460, {0x73d9f8, 0xc00089ea80}, 0xc000c0af88) pkg/sentry/fsimpl/fuse/dev.go:363 +0x112 fp=0xc000c0aee8 sp=0xc000c0ae98 pc=0x2068ad2 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc0001ce460, {0x73d9f8, 0xc00089ea80}, 0xc000ad3f80) pkg/sentry/fsimpl/fuse/dev.go:326 +0x2c6 fp=0xc000c0afc8 sp=0xc000c0aee8 pc=0x20685a6 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc0001ce460, {0x73d9f8, 0xc00089ea80}, {{0x738090, 0xc000c3e000}, {0x0, 0x1, 0x200000c0, 0x10}, {0x0, ...}}, ...) pkg/sentry/fsimpl/fuse/dev.go:250 +0x616 fp=0xc000c0b1d0 sp=0xc000c0afc8 pc=0x20675f6 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0001ce460, {0x73d9f8, 0xc00089ea80}, {{0x738090, 0xc000c3e000}, {0x0, 0x1, 0x200000c0, 0x10}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:674 +0x152 fp=0xc000c0b298 sp=0xc000c0b1d0 pc=0x1717592 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.write(0xc000012480?, 0x4c8bbb?, {{0x738090, 0xc000c3e000}, {0x0, 0x1, 0x200000c0, 0x10}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/sys_read_write.go:347 +0xae fp=0xc000c0b428 sp=0xc000c0b298 pc=0x1d00e6e gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Write(0xc00089ea80, {{0x3}, {0x200000c0}, {0x10}, {0x7fda18357e78}, {0x7fda18357e78}, {0x7fda18357e78}}) pkg/sentry/syscalls/linux/sys_read_write.go:316 +0x34f fp=0xc000c0b5c8 sp=0xc000c0b428 pc=0x1d0040f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00089ea80, 0x1, {{0x3}, {0x200000c0}, {0x10}, {0x7fda18357e78}, {0x7fda18357e78}, {0x7fda18357e78}}) pkg/sentry/kernel/task_syscall.go:142 +0xab7 fp=0xc000c0b9e0 sp=0xc000c0b5c8 pc=0x1ac5c57 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00089ea80, 0x1?, {{0x3}, {0x200000c0}, {0x10}, {0x7fda18357e78}, {0x7fda18357e78}, {0x7fda18357e78}}) pkg/sentry/kernel/task_syscall.go:322 +0x8e fp=0xc000c0ba80 sp=0xc000c0b9e0 pc=0x1ac7d6e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0006ce0f0?, 0xc000c0bbaf?, {{0x3}, {0x200000c0}, {0x10}, {0x7fda18357e78}, {0x7fda18357e78}, {0x7fda18357e78}}) pkg/sentry/kernel/task_syscall.go:282 +0xc5 fp=0xc000c0baf8 sp=0xc000c0ba80 pc=0x1ac7665 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00089ea80) pkg/sentry/kernel/task_syscall.go:257 +0x53b fp=0xc000c0bc20 sp=0xc000c0baf8 pc=0x1ac717b gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00089ea80?, 0xc00089ea80) pkg/sentry/kernel/task_run.go:259 +0x2074 fp=0xc000c0bec0 sp=0xc000c0bc20 pc=0x1aafef4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00089ea80, 0xe) pkg/sentry/kernel/task_run.go:94 +0x2cc fp=0xc000c0bfb0 sp=0xc000c0bec0 pc=0x1aad4ac gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:377 +0x48 fp=0xc000c0bfe0 sp=0xc000c0bfb0 pc=0x1ac3348 runtime.goexit() src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000c0bfe8 sp=0xc000c0bfe0 pc=0x11da141 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x1da