panic: close of closed channel goroutine 338 [running]: panic(0x1155b80, 0x1471e10) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000819408 sp=0xc000819340 pc=0x437c65 runtime.closechan(0xc000530480) GOROOT/src/runtime/chan.go:363 +0x3f5 fp=0xc000819448 sp=0xc000819408 pc=0x4064b5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc00037e400, 0x14b7478, 0xc00084a000, 0xc0006be140, 0x148c140, 0x1d13198) pkg/sentry/fsimpl/fuse/dev.go:416 +0x14b fp=0xc0008194d0 sp=0xc000819448 pc=0xf25aeb gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc00037e400, 0x14b7478, 0xc00084a000, 0x14b18c0, 0xc000824000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:341 +0x40a fp=0xc000819718 sp=0xc0008194d0 pc=0xf2510a gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc00037e400, 0x14b7478, 0xc00084a000, 0x14b18c0, 0xc000824000, 0x0, 0x1, 0x20000080, 0x50, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:247 +0x105 fp=0xc0008197b8 sp=0xc000819718 pc=0xf24c85 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00037e400, 0x14b7478, 0xc00084a000, 0x14b18c0, 0xc000824000, 0x0, 0x1, 0x20000080, 0x50, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc000819850 sp=0xc0008197b8 pc=0x756cf4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc00084a000, 0xc00037e400, 0x14b18c0, 0xc000824000, 0x0, 0x1, 0x20000080, 0x50, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc0008199e0 sp=0xc000819850 pc=0xe6997b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00084a000, 0x3, 0x20000080, 0x50, 0x0, 0x20000180, 0x55941dea7720, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc000819b10 sp=0xc0008199e0 pc=0xe69265 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00084a000, 0x1, 0x3, 0x20000080, 0x50, 0x0, 0x20000180, 0x55941dea7720, 0x0, 0x130f8a0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc000819c70 sp=0xc000819b10 pc=0x9f1a1c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00084a000, 0x1, 0x3, 0x20000080, 0x50, 0x0, 0x20000180, 0x55941dea7720, 0x20000180, 0x55941dea7720) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc000819cf8 sp=0xc000819c70 pc=0x9f2bc6 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00084a000, 0x1, 0x3, 0x20000080, 0x50, 0x0, 0x20000180, 0x55941dea7720, 0x14c8688, 0xc000810360) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc000819d58 sp=0xc000819cf8 pc=0x9f27b8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00084a000, 0x2, 0xc00084a000) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc000819e28 sp=0xc000819d58 pc=0x9f215c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00084a000, 0x1489e40, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc000819f68 sp=0xc000819e28 pc=0x9e6ee7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00084a000, 0xf) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc000819fd0 sp=0xc000819f68 pc=0x9e5e22 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000819fd8 sp=0xc000819fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe