panic: close of closed channel goroutine 682461 [running]: panic({0x17b9e20, 0x1bdc700}) GOROOT/src/runtime/panic.go:1147 +0x3a8 fp=0xc000720f08 sp=0xc000720e48 pc=0x437d08 runtime.closechan(0xc018784660) GOROOT/src/runtime/chan.go:363 +0x45c fp=0xc000720f68 sp=0xc000720f08 pc=0x407dfc gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse·dwrap·4() pkg/sentry/fsimpl/fuse/dev.go:407 +0x3a fp=0xc000720f88 sp=0xc000720f68 pc=0x144b7da gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc0a7bfae00, {0x1c35630, 0xc00572e000}, 0xc00d9cf5c0) pkg/sentry/fsimpl/fuse/dev.go:417 +0x26b fp=0xc000721070 sp=0xc000720f88 pc=0x144b6cb gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc0a7bfae00, {0x1c35630, 0xc00572e000}, {{0x1c29a18, 0xc005dd1000}, {0x0, 0x0, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/fsimpl/fuse/dev.go:341 +0xd2c fp=0xc000721348 sp=0xc000721070 pc=0x144ae6c gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc0a7bfae00, {0x1c35630, 0xc00572e000}, {{0x1c29a18, 0xc005dd1000}, {0x0, 0x1, 0x20000080, 0x50}, {0x0, ...}}, ...) pkg/sentry/fsimpl/fuse/dev.go:246 +0x125 fp=0xc000721438 sp=0xc000721348 pc=0x1449fe5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0a7bfae00, {0x1c35630, 0xc00572e000}, {{0x1c29a18, 0xc005dd1000}, {0x0, 0x1, 0x20000080, 0x50}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:657 +0x125 fp=0xc000721508 sp=0xc000721438 pc=0x8c6d45 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc000236318, 0xc0a7bfae00, {{0x1c29a18, 0xc005dd1000}, {0x0, 0x1, 0x20000080, 0x50}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9d fp=0xc000721690 sp=0xc000721508 pc=0x134511d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00572e000, {{0x3}, {0x20000080}, {0x50}, {0x3}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x2c5 fp=0xc000721830 sp=0xc000721690 pc=0x13447a5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00572e000, 0x1, {{0x3}, {0x20000080}, {0x50}, {0x3}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:103 +0x4dc fp=0xc000721a80 sp=0xc000721830 pc=0xcb77dc gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00572e000, 0x46f7f9, {{0x3}, {0x20000080}, {0x50}, {0x3}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:238 +0x6a fp=0xc000721b08 sp=0xc000721a80 pc=0xcb888a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0a985eea0, 0x46fcac, {{0x3}, {0x20000080}, {0x50}, {0x3}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:198 +0x8f fp=0xc000721b80 sp=0xc000721b08 pc=0xcb830f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00572e000) pkg/sentry/kernel/task_syscall.go:173 +0x3c5 fp=0xc000721c88 sp=0xc000721b80 pc=0xcb7f45 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00572e000, 0xc00572e000) pkg/sentry/kernel/task_run.go:254 +0x1698 fp=0xc000721eb8 sp=0xc000721c88 pc=0xca4978 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00572e000, 0x85dc) pkg/sentry/kernel/task_run.go:95 +0x35b fp=0xc000721fb0 sp=0xc000721eb8 pc=0xca28bb gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start·dwrap·230() pkg/sentry/kernel/task_start.go:339 +0x48 fp=0xc000721fe0 sp=0xc000721fb0 pc=0xcb57e8 runtime.goexit() src/runtime/asm_amd64.s:1581 +0x1 fp=0xc000721fe8 sp=0xc000721fe0 pc=0x46e081 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:339 +0x1a9