panic: close of closed channel goroutine 84233 [running]: panic(0x1273dc0, 0x15c1700) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc007c37520 sp=0xc007c37458 pc=0x437c65 runtime.closechan(0xc00daf1020) GOROOT/src/runtime/chan.go:363 +0x3f5 fp=0xc007c37560 sp=0xc007c37520 pc=0x4064b5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc00b4c6d00, 0x1607818, 0xc00dda2000, 0xc00dd8ea40, 0x15dc0a0, 0xc00dac0330) pkg/sentry/fsimpl/fuse/dev.go:518 +0x17d fp=0xc007c375e8 sp=0xc007c37560 pc=0x10398dd gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc00b4c6d00, 0x1607818, 0xc00dda2000, 0x1601d20, 0xc00dc91000, 0x0, 0x1, 0x20000000, 0x40, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:423 +0x45f fp=0xc007c377c0 sp=0xc007c375e8 pc=0x1038dbf gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc00b4c6d00, 0x1607818, 0xc00dda2000, 0x1601d20, 0xc00dc91000, 0x0, 0x1, 0x20000000, 0x40, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:305 +0x10a fp=0xc007c37860 sp=0xc007c377c0 pc=0x10388ea gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00b4c6d00, 0x1607818, 0xc00dda2000, 0x1601d20, 0xc00dc91000, 0x0, 0x1, 0x20000000, 0x40, 0x100, ...) pkg/sentry/vfs/file_description.go:748 +0xc3 fp=0xc007c378f8 sp=0xc007c37860 pc=0x788ca3 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc00dda2000, 0xc00b4c6d00, 0x1601d20, 0xc00dc91000, 0x0, 0x1, 0x20000000, 0x40, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:430 +0xa5 fp=0xc007c37a88 sp=0xc007c378f8 pc=0xf70865 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00dda2000, 0x3, 0x20000000, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:393 +0x293 fp=0xc007c37bb8 sp=0xc007c37a88 pc=0xf70073 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00dda2000, 0x1, 0x3, 0x20000000, 0x40, 0x0, 0x0, 0x0, 0xc000001fa0, 0x1430260, ...) pkg/sentry/kernel/task_syscall.go:115 +0x199 fp=0xc007c37c78 sp=0xc007c37bb8 pc=0xa84619 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00dda2000, 0x1, 0x3, 0x20000000, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:290 +0x70 fp=0xc007c37d00 sp=0xc007c37c78 pc=0xa858f0 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00dda2000, 0x1, 0x3, 0x20000000, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:237 +0xb4 fp=0xc007c37d60 sp=0xc007c37d00 pc=0xa853d4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00dda2000, 0x2, 0xc00dda2000) pkg/sentry/kernel/task_syscall.go:204 +0x198 fp=0xc007c37e30 sp=0xc007c37d60 pc=0xa84cb8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00dda2000, 0x15d9e00, 0x0) pkg/sentry/kernel/task_run.go:294 +0xd9a fp=0xc007c37f68 sp=0xc007c37e30 pc=0xa77b5a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00dda2000, 0x967) pkg/sentry/kernel/task_run.go:98 +0x1b9 fp=0xc007c37fd0 sp=0xc007c37f68 pc=0xa76919 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc007c37fd8 sp=0xc007c37fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:396 +0x116