panic: close of closed channel goroutine 734560 [running]: panic(0x115cd00, 0x147bdb0) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000a59408 sp=0xc000a59340 pc=0x437c65 runtime.closechan(0xc013ee6960) GOROOT/src/runtime/chan.go:363 +0x3f5 fp=0xc000a59448 sp=0xc000a59408 pc=0x4064b5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc0020d9c00, 0x14c1ad8, 0xc007c25500, 0xc00a651780, 0x1495f40, 0x1d222b0) pkg/sentry/fsimpl/fuse/dev.go:428 +0x14b fp=0xc000a594d0 sp=0xc000a59448 pc=0xf2d30b gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc0020d9c00, 0x14c1ad8, 0xc007c25500, 0x14bbe40, 0xc010a7f000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:352 +0x40a fp=0xc000a59718 sp=0xc000a594d0 pc=0xf2c92a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc0020d9c00, 0x14c1ad8, 0xc007c25500, 0x14bbe40, 0xc010a7f000, 0x0, 0x1, 0x20000300, 0x78, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:257 +0x105 fp=0xc000a597b8 sp=0xc000a59718 pc=0xf2c4a5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0020d9c00, 0x14c1ad8, 0xc007c25500, 0x14bbe40, 0xc010a7f000, 0x0, 0x1, 0x20000300, 0x78, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc000a59850 sp=0xc000a597b8 pc=0x756cf4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc007c25500, 0xc0020d9c00, 0x14bbe40, 0xc010a7f000, 0x0, 0x1, 0x20000300, 0x78, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc000a599e0 sp=0xc000a59850 pc=0xe7073b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc007c25500, 0x3, 0x20000300, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc000a59b10 sp=0xc000a599e0 pc=0xe70025 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc007c25500, 0x1, 0x3, 0x20000300, 0x78, 0x0, 0x0, 0x0, 0x0, 0x1318d60, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc000a59c70 sp=0xc000a59b10 pc=0x9f171c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc007c25500, 0x1, 0x3, 0x20000300, 0x78, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc000a59cf8 sp=0xc000a59c70 pc=0x9f28c6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc007c25500, 0x1, 0x3, 0x20000300, 0x78, 0x0, 0x0, 0x0, 0x14d2ce8, 0xc00808b320) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc000a59d58 sp=0xc000a59cf8 pc=0x9f24b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc007c25500, 0x2, 0xc007c25500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc000a59e28 sp=0xc000a59d58 pc=0x9f1e5c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc007c25500, 0x1493ca0, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc000a59f68 sp=0xc000a59e28 pc=0x9e6b87 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc007c25500, 0x595b) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc000a59fd0 sp=0xc000a59f68 pc=0x9e5ac2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000a59fd8 sp=0xc000a59fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:339 +0xfe