panic: expected socket to exist at '!N' in abstract socket namespace goroutine 7405 [running]: panic({0xc23f20?, 0x400346bcb0?}) GOROOT/src/runtime/panic.go:1017 +0x3cc fp=0x4002b6f3a0 sp=0x4002b6f2f0 pc=0x49d0c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0x4000726038, {0x4002a217a1, 0x6b}, {0x10add50?, 0x400299c9c0}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x1b4 fp=0x4002b6f480 sp=0x4002b6f3a0 pc=0x51e494 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0xa8 fp=0x4002b6f4d0 sp=0x4002b6f480 pc=0x6b0148 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0x40006e15a8?, 0x4002b6f558) bazel-out/aarch64-fastbuild/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0xa0 fp=0x4002b6f540 sp=0x4002b6f4d0 pc=0x6af9b0 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef(0x400299c9c0?, {0x10bbc48?, 0x400291ea80?}) pkg/sentry/socket/unix/unix.go:116 +0x64 fp=0x4002b6f580 sp=0x4002b6f540 pc=0x6b0064 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release(0x4003573290?, {0x10bbc48?, 0x400291ea80?}) pkg/sentry/socket/unix/unix.go:132 +0x30 fp=0x4002b6f5b0 sp=0x4002b6f580 pc=0x6b01d0 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x2e8 fp=0x4002b6f690 sp=0x4002b6f5b0 pc=0x367458 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0x400346bc90?, 0x40006e1718) bazel-out/aarch64-fastbuild/bin/pkg/sentry/vfs/file_description_refs.go:132 +0xa0 fp=0x4002b6f700 sp=0x4002b6f690 pc=0x36d320 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0x400346bb20?, {0x10bbc48?, 0x400291ea80?}) pkg/sentry/vfs/file_description.go:161 +0x58 fp=0x4002b6f740 sp=0x4002b6f700 pc=0x367138 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop(0x40029b17c0?, {0x10bbc48, 0x400291ea80}, 0x400299c9c0) pkg/sentry/kernel/fd_table.go:137 +0x1ac fp=0x4002b6f7c0 sp=0x4002b6f740 pc=0x54764c gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0x40006e1858?, {0x10bbc48, 0x400291ea80}, 0x5937d8?, 0x40006e1858?, {0xfc?}) pkg/sentry/kernel/fd_table.go:321 +0x64 fp=0x4002b6f810 sp=0x4002b6f7c0 pc=0x5486f4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0x400291ea80, 0xfffbfeff?, 0x3, 0x0) pkg/sentry/syscalls/linux/sys_file.go:572 +0xe4 fp=0x4002b6f8a0 sp=0x4002b6f810 pc=0x6d4844 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup3(0x40006e1958?, 0x7bba4?, {{0x4}, {0x3}, {0x0}, {0xe1676aea0050}, {0xe8bd11cb1520}, {0xe8bd11cb15f0}}) pkg/sentry/syscalls/linux/sys_file.go:558 +0x88 fp=0x4002b6f8d0 sp=0x4002b6f8a0 pc=0x6d4738 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x400291ea80, 0x18, {{0x4}, {0x3}, {0x0}, {0xe1676aea0050}, {0xe8bd11cb1520}, {0xe8bd11cb15f0}}) pkg/sentry/kernel/task_syscall.go:142 +0x678 fp=0x4002b6fc10 sp=0x4002b6f8d0 pc=0x5937d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x400291ea80, 0x17080?, {{0x4}, {0x3}, {0x0}, {0xe1676aea0050}, {0xe8bd11cb1520}, {0xe8bd11cb15f0}}) pkg/sentry/kernel/task_syscall.go:322 +0x48 fp=0x4002b6fc70 sp=0x4002b6fc10 pc=0x594ad8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x40013dadc8?, 0x1efd8?, {{0x4}, {0x3}, {0x0}, {0xe1676aea0050}, {0xe8bd11cb1520}, {0xe8bd11cb15f0}}) pkg/sentry/kernel/task_syscall.go:282 +0x7c fp=0x4002b6fcd0 sp=0x4002b6fc70 pc=0x59469c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x40016f76c0?) pkg/sentry/kernel/task_syscall.go:257 +0x320 fp=0x4002b6fdd0 sp=0x4002b6fcd0 pc=0x5943d0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x4002a7ae80?, 0x400291ea80) pkg/sentry/kernel/task_run.go:269 +0x1154 fp=0x4002b6ff20 sp=0x4002b6fdd0 pc=0x587454 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x400291ea80, 0x5c1) pkg/sentry/kernel/task_run.go:98 +0x260 fp=0x4002b6ffb0 sp=0x4002b6ff20 pc=0x585c60 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x2c fp=0x4002b6ffd0 sp=0x4002b6ffb0 pc=0x591eec runtime.goexit() src/runtime/asm_arm64.s:1197 +0x4 fp=0x4002b6ffd0 sp=0x4002b6ffd0 pc=0x81854 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 7399 pkg/sentry/kernel/task_start.go:391 +0xf8