panic: close of closed channel goroutine 725558 [running]: panic({0x118b660, 0x149fc30}) GOROOT/src/runtime/panic.go:1147 +0x3a8 fp=0xc0053a15a0 sp=0xc0053a14e0 pc=0x4351c8 runtime.closechan(0xc00a3245a0) GOROOT/src/runtime/chan.go:363 +0x3dc fp=0xc0053a15e0 sp=0xc0053a15a0 pc=0x40601c gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse·dwrap·4() pkg/sentry/fsimpl/fuse/dev.go:407 +0x26 fp=0xc0053a15f8 sp=0xc0053a15e0 pc=0xf8d886 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).sendResponse(0xc00a22db00, {0x14f87b0, 0xc009d66a80}, 0xc00a26f480) pkg/sentry/fsimpl/fuse/dev.go:417 +0x17e fp=0xc0053a1688 sp=0xc0053a15f8 pc=0xf8d79e gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).writeLocked(0xc00a22db00, {0x14f87b0, 0xc009d66a80}, {{0x14ecf78, 0xc00a31c000}, {0x0, 0x0, 0x0, 0x0}, {0x0, ...}}, ...) pkg/sentry/fsimpl/fuse/dev.go:341 +0x8f0 fp=0xc0053a1840 sp=0xc0053a1688 pc=0xf8d210 gvisor.dev/gvisor/pkg/sentry/fsimpl/fuse.(*DeviceFD).Write(0xc00a22db00, {0x14f87b0, 0xc009d66a80}, {{0x14ecf78, 0xc00a31c000}, {0x0, 0x1, 0x20002240, 0x50}, {0x0, ...}}, ...) pkg/sentry/fsimpl/fuse/dev.go:246 +0x113 fp=0xc0053a18e8 sp=0xc0053a1840 pc=0xf8c813 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00a22db00, {0x14f87b0, 0xc009d66a80}, {{0x14ecf78, 0xc00a31c000}, {0x0, 0x1, 0x20002240, 0x50}, {0x0, ...}}, ...) pkg/sentry/vfs/file_description.go:657 +0xa5 fp=0xc0053a1968 sp=0xc0053a18e8 pc=0x719b65 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0x43fcb1, 0xc00a22db00, {{0x14ecf78, 0xc00a31c000}, {0x0, 0x1, 0x20002240, 0x50}, {0x0, 0x1}}, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:348 +0x8e fp=0xc0053a1ab8 sp=0xc0053a1968 pc=0xed51ee gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc009d66a80, {{0x3}, {0x20002240}, {0x50}, {0x3}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/vfs2/read_write.go:317 +0x265 fp=0xc0053a1bf8 sp=0xc0053a1ab8 pc=0xed49c5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc009d66a80, 0x1, {{0x3}, {0x20002240}, {0x50}, {0x3}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:103 +0x2d7 fp=0xc0053a1ca8 sp=0xc0053a1bf8 pc=0x9f1817 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc009d66a80, 0xf33c60, {{0x3}, {0x20002240}, {0x50}, {0x3}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:238 +0x57 fp=0xc0053a1d18 sp=0xc0053a1ca8 pc=0x9f25d7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc009d701a0, 0x150bb08, {{0x3}, {0x20002240}, {0x50}, {0x3}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:198 +0x85 fp=0xc0053a1d78 sp=0xc0053a1d18 pc=0x9f21a5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc009d66a80) pkg/sentry/kernel/task_syscall.go:173 +0x38e fp=0xc0053a1e40 sp=0xc0053a1d78 pc=0x9f1e6e gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00a318680, 0xc009d66a80) pkg/sentry/kernel/task_run.go:254 +0x111b fp=0xc0053a1f60 sp=0xc0053a1e40 pc=0x9e4f9b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc009d66a80, 0x82a3) pkg/sentry/kernel/task_run.go:95 +0x1ec fp=0xc0053a1fc0 sp=0xc0053a1f60 pc=0x9e380c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start·dwrap·230() pkg/sentry/kernel/task_start.go:339 +0x2a fp=0xc0053a1fe0 sp=0xc0053a1fc0 pc=0x9f018a runtime.goexit() src/runtime/asm_amd64.s:1581 +0x1 fp=0xc0053a1fe8 sp=0xc0053a1fe0 pc=0x469321 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:339 +0x106