panic: runtime error: slice bounds out of range [15:1] goroutine 1116468 [running]: panic(0x133dc20, 0xc007164b88) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0007ab5a0 sp=0xc0007ab4d8 pc=0x437c65 runtime.goPanicSliceB(0xf, 0x1) GOROOT/src/runtime/panic.go:116 +0xa5 fp=0xc0007ab5e8 sp=0xc0007ab5a0 pc=0x435445 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc0079d8500, 0x16062b8, 0xc01076b500, 0x16007c0, 0xc010de6000, 0x0, 0x1, 0x20000f4e, 0x42, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:364 +0xac5 fp=0xc0007ab7c0 sp=0xc0007ab5e8 pc=0x1038b65 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc0079d8500, 0x16062b8, 0xc01076b500, 0x16007c0, 0xc010de6000, 0x0, 0x1, 0x20000f40, 0x50, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:294 +0x10a fp=0xc0007ab860 sp=0xc0007ab7c0 pc=0x103802a gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0079d8500, 0x16062b8, 0xc01076b500, 0x16007c0, 0xc010de6000, 0x0, 0x1, 0x20000f40, 0x50, 0x100, ...) pkg/sentry/vfs/file_description.go:748 +0xc3 fp=0xc0007ab8f8 sp=0xc0007ab860 pc=0x788ca3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc01076b500, 0xc0079d8500, 0x16007c0, 0xc010de6000, 0x0, 0x1, 0x20000f40, 0x50, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:430 +0xa5 fp=0xc0007aba88 sp=0xc0007ab8f8 pc=0xf70425 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc01076b500, 0x3, 0x20000f40, 0x50, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:393 +0x293 fp=0xc0007abbb8 sp=0xc0007aba88 pc=0xf6fc33 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc01076b500, 0x1, 0x3, 0x20000f40, 0x50, 0x3, 0x0, 0x0, 0xc000001fa0, 0x142f0c0, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc0007abc78 sp=0xc0007abbb8 pc=0xa84579 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc01076b500, 0x1, 0x3, 0x20000f40, 0x50, 0x3, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc0007abd00 sp=0xc0007abc78 pc=0xa85850 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc01076b500, 0x1, 0x3, 0x20000f40, 0x50, 0x3, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc0007abd60 sp=0xc0007abd00 pc=0xa85334 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc01076b500, 0x2, 0xc01076b500) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc0007abe30 sp=0xc0007abd60 pc=0xa84c18 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc01076b500, 0x15d88c0, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc0007abf68 sp=0xc0007abe30 pc=0xa77b3a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc01076b500, 0x8f3c) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc0007abfd0 sp=0xc0007abf68 pc=0xa768f9 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0007abfd8 sp=0xc0007abfd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:398 +0x116