panic: runtime error: slice bounds out of range [9:7] goroutine 1004770 [running]: panic(0x122a140, 0xc02a6ecc30) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc001edf488 sp=0xc001edf3c0 pc=0x437c65 runtime.goPanicSliceB(0x9, 0x7) GOROOT/src/runtime/panic.go:116 +0xa5 fp=0xc001edf4d0 sp=0xc001edf488 pc=0x435445 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc029982a00, 0x14c52f8, 0xc02b4c0a80, 0x14bf460, 0xc029ddd000, 0x0, 0x1, 0x200000c0, 0x9, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:301 +0xa58 fp=0xc001edf718 sp=0xc001edf4d0 pc=0xf2fe38 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc029982a00, 0x14c52f8, 0xc02b4c0a80, 0x14bf460, 0xc029ddd000, 0x0, 0x1, 0x200000c0, 0x9, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:246 +0x105 fp=0xc001edf7b8 sp=0xc001edf718 pc=0xf2f365 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc029982a00, 0x14c52f8, 0xc02b4c0a80, 0x14bf460, 0xc029ddd000, 0x0, 0x1, 0x200000c0, 0x9, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc001edf850 sp=0xc001edf7b8 pc=0x759574 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc02b4c0a80, 0xc029982a00, 0x14bf460, 0xc029ddd000, 0x0, 0x1, 0x200000c0, 0x9, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc001edf9e0 sp=0xc001edf850 pc=0xe732fb gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc02b4c0a80, 0x3, 0x200000c0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc001edfb10 sp=0xc001edf9e0 pc=0xe72be5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc02b4c0a80, 0x1, 0x3, 0x200000c0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x131baa0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc001edfc70 sp=0xc001edfb10 pc=0x9f411c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc02b4c0a80, 0x1, 0x3, 0x200000c0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc001edfcf8 sp=0xc001edfc70 pc=0x9f52c6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc02b4c0a80, 0x1, 0x3, 0x200000c0, 0x9, 0x0, 0x0, 0x0, 0x14d6608, 0xc003608c60) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc001edfd58 sp=0xc001edfcf8 pc=0x9f4eb8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc02b4c0a80, 0x2, 0xc02b4c0a80) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc001edfe28 sp=0xc001edfd58 pc=0x9f485c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc02b4c0a80, 0x1497280, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc001edff68 sp=0xc001edfe28 pc=0x9e9587 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc02b4c0a80, 0xaf76) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc001edffd0 sp=0xc001edff68 pc=0x9e84c2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc001edffd8 sp=0xc001edffd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:339 +0xfe