panic: close of closed channel goroutine 386 [running]: panic(0x126bc20, 0x15b6220) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000b37520 sp=0xc000b37458 pc=0x437c65 runtime.closechan(0xc000b121e0) GOROOT/src/runtime/chan.go:363 +0x3f5 fp=0xc000b37560 sp=0xc000b37520 pc=0x4064b5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc000b4a000, 0x15fbc58, 0xc0008f6000, 0xc000b18c40, 0x15d0d40, 0x1f58998) pkg/sentry/fsimpl/fuse/dev.go:505 +0x17d fp=0xc000b375e8 sp=0xc000b37560 pc=0x10311dd gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc000b4a000, 0x15fbc58, 0xc0008f6000, 0x15f6240, 0xc00080d000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:411 +0x44a fp=0xc000b377c0 sp=0xc000b375e8 pc=0x103070a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc000b4a000, 0x15fbc58, 0xc0008f6000, 0x15f6240, 0xc00080d000, 0x0, 0x1, 0x20000080, 0x50, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:294 +0x10a fp=0xc000b37860 sp=0xc000b377c0 pc=0x103024a gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000b4a000, 0x15fbc58, 0xc0008f6000, 0x15f6240, 0xc00080d000, 0x0, 0x1, 0x20000080, 0x50, 0x100, ...) pkg/sentry/vfs/file_description.go:748 +0xc3 fp=0xc000b378f8 sp=0xc000b37860 pc=0x788ca3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc0008f6000, 0xc000b4a000, 0x15f6240, 0xc00080d000, 0x0, 0x1, 0x20000080, 0x50, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:430 +0xa5 fp=0xc000b37a88 sp=0xc000b378f8 pc=0xf68dc5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc0008f6000, 0x3, 0x20000080, 0x50, 0x0, 0x20000180, 0x555c58b4d720, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:393 +0x293 fp=0xc000b37bb8 sp=0xc000b37a88 pc=0xf685d3 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0008f6000, 0x1, 0x3, 0x20000080, 0x50, 0x0, 0x20000180, 0x555c58b4d720, 0x0, 0x1425da0, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc000b37c78 sp=0xc000b37bb8 pc=0xa84959 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0008f6000, 0x1, 0x3, 0x20000080, 0x50, 0x0, 0x20000180, 0x555c58b4d720, 0x20000180, 0x555c58b4d720) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc000b37d00 sp=0xc000b37c78 pc=0xa85c30 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0008f6000, 0x1, 0x3, 0x20000080, 0x50, 0x0, 0x20000180, 0x555c58b4d720, 0xc0008cca90, 0x160ce68) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc000b37d60 sp=0xc000b37d00 pc=0xa85714 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0008f6000, 0x2, 0xc0008f6000) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc000b37e30 sp=0xc000b37d60 pc=0xa84ff8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0008f6000, 0x15cea40, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc000b37f68 sp=0xc000b37e30 pc=0xa77f1a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0008f6000, 0x11) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc000b37fd0 sp=0xc000b37f68 pc=0xa76cd9 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000b37fd8 sp=0xc000b37fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:398 +0x116