panic: close of closed channel goroutine 1549669 [running]: panic(0x1277080, 0x15c6370) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc002347520 sp=0xc002347458 pc=0x437c65 runtime.closechan(0xc018f155c0) GOROOT/src/runtime/chan.go:363 +0x3f5 fp=0xc002347560 sp=0xc002347520 pc=0x4064b5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc018a8cd00, 0x160c7d8, 0xc0190a6a80, 0xc018d66ac0, 0x15e0e20, 0xc018e14498) pkg/sentry/fsimpl/fuse/dev.go:501 +0x17d fp=0xc0023475e8 sp=0xc002347560 pc=0x103d07d gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc018a8cd00, 0x160c7d8, 0xc0190a6a80, 0x1606ae0, 0xc018fc5000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:406 +0x45f fp=0xc0023477c0 sp=0xc0023475e8 pc=0x103c55f gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc018a8cd00, 0x160c7d8, 0xc0190a6a80, 0x1606ae0, 0xc018fc5000, 0x0, 0x1, 0x20002240, 0x50, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:288 +0x10a fp=0xc002347860 sp=0xc0023477c0 pc=0x103c08a gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc018a8cd00, 0x160c7d8, 0xc0190a6a80, 0x1606ae0, 0xc018fc5000, 0x0, 0x1, 0x20002240, 0x50, 0x100, ...) pkg/sentry/vfs/file_description.go:748 +0xc3 fp=0xc0023478f8 sp=0xc002347860 pc=0x78bde3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc0190a6a80, 0xc018a8cd00, 0x1606ae0, 0xc018fc5000, 0x0, 0x1, 0x20002240, 0x50, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:430 +0xa5 fp=0xc002347a88 sp=0xc0023478f8 pc=0xf73c65 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc0190a6a80, 0x3, 0x20002240, 0x50, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:393 +0x293 fp=0xc002347bb8 sp=0xc002347a88 pc=0xf73473 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0190a6a80, 0x1, 0x3, 0x20002240, 0x50, 0x3, 0x0, 0x0, 0xc000001fa0, 0x1433f80, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc002347c78 sp=0xc002347bb8 pc=0xa87939 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0190a6a80, 0x1, 0x3, 0x20002240, 0x50, 0x3, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc002347d00 sp=0xc002347c78 pc=0xa88c10 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0190a6a80, 0x1, 0x3, 0x20002240, 0x50, 0x3, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc002347d60 sp=0xc002347d00 pc=0xa886f4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0190a6a80, 0x2, 0xc0190a6a80) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc002347e30 sp=0xc002347d60 pc=0xa87fd8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0190a6a80, 0x15deb80, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc002347f68 sp=0xc002347e30 pc=0xa7ae7a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0190a6a80, 0xb786) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc002347fd0 sp=0xc002347f68 pc=0xa79c39 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc002347fd8 sp=0xc002347fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:396 +0x116