panic: close of closed channel goroutine 455766 [running]: panic(0x115cc80, 0x147bb90) GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0020e7408 sp=0xc0020e7340 pc=0x437c65 runtime.closechan(0xc011e9a960) GOROOT/src/runtime/chan.go:363 +0x3f5 fp=0xc0020e7448 sp=0xc0020e7408 pc=0x4064b5 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc010ac1200, 0x14c1898, 0xc010c71500, 0xc0118c32c0, 0x1495d20, 0x1d221d8) pkg/sentry/fsimpl/fuse/dev.go:428 +0x14b fp=0xc0020e74d0 sp=0xc0020e7448 pc=0xf2d08b gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc010ac1200, 0x14c1898, 0xc010c71500, 0x14bbc00, 0xc010c69000, 0x0, 0x0, 0x0, 0x0, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:352 +0x40a fp=0xc0020e7718 sp=0xc0020e74d0 pc=0xf2c6aa gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc010ac1200, 0x14c1898, 0xc010c71500, 0x14bbc00, 0xc010c69000, 0x0, 0x1, 0x200004c0, 0x50, 0x100, ...) pkg/sentry/fsimpl/fuse/dev.go:257 +0x105 fp=0xc0020e77b8 sp=0xc0020e7718 pc=0xf2c225 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc010ac1200, 0x14c1898, 0xc010c71500, 0x14bbc00, 0xc010c69000, 0x0, 0x1, 0x200004c0, 0x50, 0x100, ...) pkg/sentry/vfs/file_description.go:657 +0xb4 fp=0xc0020e7850 sp=0xc0020e77b8 pc=0x756cf4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc010c71500, 0xc010ac1200, 0x14bbc00, 0xc010c69000, 0x0, 0x1, 0x200004c0, 0x50, 0x100, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x9b fp=0xc0020e79e0 sp=0xc0020e7850 pc=0xe7053b gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc010c71500, 0x3, 0x200004c0, 0x50, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x245 fp=0xc0020e7b10 sp=0xc0020e79e0 pc=0xe6fe25 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc010c71500, 0x1, 0x3, 0x200004c0, 0x50, 0x3, 0x0, 0x0, 0x0, 0x1318be0, ...) pkg/sentry/kernel/task_syscall.go:103 +0x13c fp=0xc0020e7c70 sp=0xc0020e7b10 pc=0x9f169c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc010c71500, 0x1, 0x3, 0x200004c0, 0x50, 0x3, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:238 +0x66 fp=0xc0020e7cf8 sp=0xc0020e7c70 pc=0x9f2846 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc010c71500, 0x1, 0x3, 0x200004c0, 0x50, 0x3, 0x0, 0x0, 0x14d2aa8, 0xc01094afc0) pkg/sentry/kernel/task_syscall.go:198 +0x98 fp=0xc0020e7d58 sp=0xc0020e7cf8 pc=0x9f2438 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc010c71500, 0x2, 0xc010c71500) pkg/sentry/kernel/task_syscall.go:173 +0x15c fp=0xc0020e7e28 sp=0xc0020e7d58 pc=0x9f1ddc gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc010c71500, 0x1493a80, 0x0) pkg/sentry/kernel/task_run.go:254 +0xc27 fp=0xc0020e7f68 sp=0xc0020e7e28 pc=0x9e6b67 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc010c71500, 0x5399) pkg/sentry/kernel/task_run.go:95 +0x182 fp=0xc0020e7fd0 sp=0xc0020e7f68 pc=0x9e5aa2 runtime.goexit() src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0020e7fd8 sp=0xc0020e7fd0 pc=0x472861 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:342 +0xfe