panic: expected socket to exist at '!N' in abstract socket namespace goroutine 264 [running]: panic({0x10d9d60?, 0xc0007e9dd0?}) GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc00088d408 sp=0xc00088d358 pc=0x43a72c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0xc00015aa38, {0xc00071e311, 0x6b}, {0x15519e0?, 0xc0001ca540}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x22a fp=0xc00088d4e8 sp=0xc00088d408 pc=0x94e1ca gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0xb7 fp=0xc00088d538 sp=0xc00088d4e8 pc=0xaff377 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0xc0001e35f8?, 0xc0001e35b0) bazel-out/k8-fastbuild/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0x75 fp=0xc00088d5a0 sp=0xc00088d538 pc=0xafeaf5 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef(0xc0001ca540?, {0x155fab8?, 0xc0006fa000?}) pkg/sentry/socket/unix/unix.go:116 +0x6b fp=0xc00088d5e0 sp=0xc00088d5a0 pc=0xaff28b gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release(0xc0007d06c0?, {0x155fab8?, 0xc0006fa000?}) pkg/sentry/socket/unix/unix.go:132 +0x27 fp=0xc00088d608 sp=0xc00088d5e0 pc=0xaff407 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x305 fp=0xc00088d6e8 sp=0xc00088d608 pc=0x77e245 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0x153e778?, 0xc0001e3760) bazel-out/k8-fastbuild/bin/pkg/sentry/vfs/file_description_refs.go:132 +0x75 fp=0xc00088d750 sp=0xc00088d6e8 pc=0x7846d5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0x97b853?, {0x155fab8?, 0xc0006fa000?}) pkg/sentry/vfs/file_description.go:161 +0x55 fp=0xc00088d790 sp=0xc00088d750 pc=0x77def5 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop(0xc0008be180?, {0x155fab8, 0xc0006fa000}, 0xc0001ca540) pkg/sentry/kernel/fd_table.go:137 +0x1c5 fp=0xc00088d810 sp=0xc00088d790 pc=0x97a405 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0xc0006fa000?, {0x155fab8, 0xc0006fa000}, 0x7aa180?, 0xc0001e3828?, {0xb0?}) pkg/sentry/kernel/fd_table.go:321 +0x66 fp=0xc00088d858 sp=0xc00088d810 pc=0x97b606 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc0006fa000, 0x2?, 0x3, 0x0?) pkg/sentry/syscalls/linux/sys_file.go:572 +0x113 fp=0xc00088d8e8 sp=0xc00088d858 pc=0xb28793 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup3(0xc0006fa000?, 0x20004000?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7fdbe77eeae7}, {0x7ff11f08d6c0}}) pkg/sentry/syscalls/linux/sys_file.go:558 +0x7a fp=0xc00088d910 sp=0xc00088d8e8 pc=0xb2865a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0006fa000, 0x124, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7fdbe77eeae7}, {0x7ff11f08d6c0}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc00088dc50 sp=0xc00088d910 pc=0x9cbf0b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0006fa000, 0xc0003383c0?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7fdbe77eeae7}, {0x7ff11f08d6c0}}) pkg/sentry/kernel/task_syscall.go:322 +0x4e fp=0xc00088dcb0 sp=0xc00088dc50 pc=0x9cd50e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x60?, 0x1?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7fdbe77eeae7}, {0x7ff11f08d6c0}}) pkg/sentry/kernel/task_syscall.go:282 +0x74 fp=0xc00088dd10 sp=0xc00088dcb0 pc=0x9cd0d4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0004c75f0?) pkg/sentry/kernel/task_syscall.go:257 +0x3a8 fp=0xc00088de08 sp=0xc00088dd10 pc=0x9ccdc8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0001d0c80?, 0xc0006fa000) pkg/sentry/kernel/task_run.go:269 +0x1405 fp=0xc00088df48 sp=0xc00088de08 pc=0x9beec5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0006fa000, 0xa) pkg/sentry/kernel/task_run.go:98 +0x262 fp=0xc00088dfc0 sp=0xc00088df48 pc=0x9bd3e2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x25 fp=0xc00088dfe0 sp=0xc00088dfc0 pc=0x9ca405 runtime.goexit() src/runtime/asm_amd64.s:1650 +0x1 fp=0xc00088dfe8 sp=0xc00088dfe0 pc=0x471241 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 280 pkg/sentry/kernel/task_start.go:391 +0xf8