panic: close of closed channel goroutine 247878 [running]: panic(0x19438a0, 0x1d874c0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0026c4d18 sp=0xc0026c4c50 pc=0x43a6c5 runtime.closechan(0xc02b5e88a0) GOROOT/src/runtime/chan.go:363 +0x4b5 fp=0xc0026c4d78 sp=0xc0026c4d18 pc=0x408175 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc03048dc00, 0x1dcdb78, 0xc0278fb500, 0xc094e87400, 0x1da1b40, 0x270dff0) pkg/sentry/fsimpl/fuse/dev.go:428 +0x298 fp=0xc0026c4e50 sp=0xc0026c4d78 pc=0x1589d38 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc03048dc00, 0x1dcdb78, 0xc0278fb500, 0x1dc7d60, 0xc02c4dc000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:352 +0x67c fp=0xc0026c5140 sp=0xc0026c4e50 pc=0x1588c3c gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc03048dc00, 0x1dcdb78, 0xc0278fb500, 0x1dc7d60, 0xc02c4dc000, 0x0, 0x1, 0x20002240, 0x50, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:257 +0x165 fp=0xc0026c5248 sp=0xc0026c5140 pc=0x1588545 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc03048dc00, 0x1dcdb78, 0xc0278fb500, 0x1dc7d60, 0xc02c4dc000, 0x0, 0x1, 0x20002240, 0x50, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0x131 fp=0xc0026c5328 sp=0xc0026c5248 pc=0x961651 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc0278fb500, 0xc03048dc00, 0x1dc7d60, 0xc02c4dc000, 0x0, 0x1, 0x20002240, 0x50, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0xee fp=0xc0026c5570 sp=0xc0026c5328 pc=0x146b0ee gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc0278fb500, 0x4, 0x20002240, 0x50, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x308 fp=0xc0026c5728 sp=0xc0026c5570 pc=0x146a8e8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0278fb500, 0x1, 0x4, 0x20002240, 0x50, 0x4, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x195 fp=0xc0026c59b8 sp=0xc0026c5728 pc=0xd8cd95 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0278fb500, 0x1, 0x4, 0x20002240, 0x50, 0x4, 0x0, 0x0, 0xc0278fbddf, 0xc0278fb500) pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc0026c5a90 sp=0xc0026c59b8 pc=0xd8e7b4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0278fb500, 0x1, 0x4, 0x20002240, 0x50, 0x4, 0x0, 0x0, 0x1ffffffff, 0xc000000000) pkg/sentry/kernel/task_syscall.go:198 +0x10f fp=0xc0026c5b38 sp=0xc0026c5a90 pc=0xd8e0af gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0278fb500, 0x2, 0xc0278fb500) pkg/sentry/kernel/task_syscall.go:173 +0x214 fp=0xc0026c5ca8 sp=0xc0026c5b38 pc=0xd8d834 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0278fb500, 0x1d9f880, 0x0) pkg/sentry/kernel/task_run.go:254 +0x1287 fp=0xc0026c5ed8 sp=0xc0026c5ca8 pc=0xd799a7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0278fb500, 0x2572) pkg/sentry/kernel/task_run.go:95 +0x353 fp=0xc0026c5fd0 sp=0xc0026c5ed8 pc=0xd77f53 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0026c5fd8 sp=0xc0026c5fd0 pc=0x477541 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:339 +0x1a5