panic: expected socket to exist at '!N' in abstract socket namespace goroutine 168 [running]: panic({0xfc8d60?, 0xc00053c1a0?}) GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc000255448 sp=0xc000255398 pc=0x43a72c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0xc000176128, {0xc00062e231, 0x6b}, {0x1413c40?, 0xc0006e8180}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x22a fp=0xc000255528 sp=0xc000255448 pc=0x8d372a gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0x9b fp=0xc000255578 sp=0xc000255528 pc=0xa4d4bb gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0xa544c5?, 0xc0004dc5f0) bazel-out/k8-fastbuild/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0x42 fp=0xc0002555e0 sp=0xc000255578 pc=0xa4cc42 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef(...) pkg/sentry/socket/unix/unix.go:116 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release(0xc000004d78?, {0x1421f98?, 0xc0003e3500?}) pkg/sentry/socket/unix/unix.go:132 +0x65 fp=0xc000255620 sp=0xc0002555e0 pc=0xa4d3e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x267 fp=0xc000255710 sp=0xc000255620 pc=0x8fca07 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc0004dc808?, 0xc0004dc7e8) bazel-out/k8-fastbuild/bin/pkg/sentry/vfs/file_description_refs.go:132 +0x42 fp=0xc000255778 sp=0xc000255710 pc=0x74aae2 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(...) pkg/sentry/vfs/file_description.go:161 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop(0xc00069f240?, {0x1421f98, 0xc0003e3500}, 0xc0006e8180) pkg/sentry/kernel/fd_table.go:137 +0x19c fp=0xc000255818 sp=0xc000255778 pc=0x8fc6fc gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0xc0003e3500?, {0x1421f98, 0xc0003e3500}, 0x0?, 0x0?, {0x0?}) pkg/sentry/kernel/fd_table.go:321 +0x46 fp=0xc000255860 sp=0xc000255818 pc=0x8fe166 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc0003e3500, 0x2?, 0x3, 0x0?) pkg/sentry/syscalls/linux/sys_file.go:572 +0xe5 fp=0xc0002558f0 sp=0xc000255860 pc=0xa719a5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup3(0xc0003e3500?, 0x0?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f3308e2e9a7}, {0x7ff1a997d6c0}}) pkg/sentry/syscalls/linux/sys_file.go:558 +0x3e fp=0xc000255918 sp=0xc0002558f0 pc=0xa7189e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0003e3500, 0x124, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f3308e2e9a7}, {0x7ff1a997d6c0}}) pkg/sentry/kernel/task_syscall.go:142 +0x673 fp=0xc000255c58 sp=0xc000255918 pc=0x942f73 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0003e3500, 0xc00019a428?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f3308e2e9a7}, {0x7ff1a997d6c0}}) pkg/sentry/kernel/task_syscall.go:322 +0x45 fp=0xc000255cb8 sp=0xc000255c58 pc=0x9440e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0004dccf8?, 0x124d498?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f3308e2e9a7}, {0x7ff1a997d6c0}}) pkg/sentry/kernel/task_syscall.go:282 +0x59 fp=0xc000255d18 sp=0xc000255cb8 pc=0x943df9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006232b0?) pkg/sentry/kernel/task_syscall.go:257 +0x2d5 fp=0xc000255e10 sp=0xc000255d18 pc=0x943b95 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0004e8400?, 0xc0003e3500) pkg/sentry/kernel/task_run.go:269 +0xfb7 fp=0xc000255f48 sp=0xc000255e10 pc=0x937e77 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0003e3500, 0xa) pkg/sentry/kernel/task_run.go:98 +0x1ef fp=0xc000255fc0 sp=0xc000255f48 pc=0x93680f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x25 fp=0xc000255fe0 sp=0xc000255fc0 pc=0x941885 runtime.goexit() src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000255fe8 sp=0xc000255fe0 pc=0x471241 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 152 pkg/sentry/kernel/task_start.go:391 +0xe5