panic: close of closed channel goroutine 1518834 [running]: panic(0x1ae0520, 0x1e7c2a0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0006c4f80 sp=0xc0006c4eb8 pc=0x43a6c5 runtime.closechan(0xc005d9cb40) GOROOT/src/runtime/chan.go:363 +0x4b5 fp=0xc0006c4fe0 sp=0xc0006c4f80 pc=0x408175 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc003132100, 0x1ec0338, 0xc007ff8a80, 0xc001bf84c0, 0x1e97240, 0x28b2190) pkg/sentry/fsimpl/fuse/dev.go:507 +0x30e fp=0xc0006c50b8 sp=0xc0006c4fe0 pc=0x1719dce gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc003132100, 0x1ec0338, 0xc007ff8a80, 0x1eba920, 0xc00518f000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:413 +0x6b0 fp=0xc0006c5258 sp=0xc0006c50b8 pc=0x1718af0 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc003132100, 0x1ec0338, 0xc007ff8a80, 0x1eba920, 0xc00518f000, 0x0, 0x1, 0x20002240, 0x50, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:296 +0x17d fp=0xc0006c5368 sp=0xc0006c5258 pc=0x17183bd gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc003132100, 0x1ec0338, 0xc007ff8a80, 0x1eba920, 0xc00518f000, 0x0, 0x1, 0x20002240, 0x50, 0x100, ...) pkg/sentry/vfs/file_description.go:749 +0x169 fp=0xc0006c5440 sp=0xc0006c5368 pc=0x9b4629 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc007ff8a80, 0xc003132100, 0x1eba920, 0xc00518f000, 0x0, 0x1, 0x20002240, 0x50, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:433 +0x106 fp=0xc0006c5618 sp=0xc0006c5440 pc=0x15e4fa6 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc007ff8a80, 0x3, 0x20002240, 0x50, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:396 +0x3d9 fp=0xc0006c57d8 sp=0xc0006c5618 pc=0x15e4659 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc007ff8a80, 0x1, 0x3, 0x20002240, 0x50, 0x3, 0x0, 0x0, 0xc0006c5a40, 0xc088c263d0, ...) pkg/sentry/kernel/task_syscall.go:116 +0x595 fp=0xc0006c59b8 sp=0xc0006c57d8 pc=0xe71795 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc007ff8a80, 0x1, 0x3, 0x20002240, 0x50, 0x3, 0x0, 0x0, 0xc007ff935f, 0xc007ff8a80) pkg/sentry/kernel/task_syscall.go:291 +0xd2 fp=0xc0006c5aa0 sp=0xc0006c59b8 pc=0xe732b2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc007ff8a80, 0x1, 0x3, 0x20002240, 0x50, 0x3, 0x0, 0x0, 0x0, 0xc0006c5bb8) pkg/sentry/kernel/task_syscall.go:238 +0x157 fp=0xc0006c5b48 sp=0xc0006c5aa0 pc=0xe72977 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc007ff8a80, 0x1, 0xc00000012c) pkg/sentry/kernel/task_syscall.go:205 +0x2b1 fp=0xc0006c5cc0 sp=0xc0006c5b48 pc=0xe71ef1 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc007ff8a80, 0x16f, 0x0) pkg/sentry/kernel/task_run.go:296 +0x150b fp=0xc0006c5ee0 sp=0xc0006c5cc0 pc=0xe5b76b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc007ff8a80, 0x9e5a) pkg/sentry/kernel/task_run.go:100 +0x2f2 fp=0xc0006c5fd0 sp=0xc0006c5ee0 pc=0xe59a72 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0006c5fd8 sp=0xc0006c5fd0 pc=0x477541 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:400 +0x1da