panic: expected socket to exist at ' N' in abstract socket namespace goroutine 435 [running]: panic({0xfc8d60?, 0xc0007049d0?}) GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc0006ef420 sp=0xc0006ef370 pc=0x43a72c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0xc00015a268, {0xc000806931, 0x6b}, {0x1413c40?, 0xc00039c9c0}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x22a fp=0xc0006ef500 sp=0xc0006ef420 pc=0x8d372a gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0x9b fp=0xc0006ef550 sp=0xc0006ef500 pc=0xa4d4bb gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0xa544c5?, 0xc0006ef5c8) bazel-out/k8-fastbuild/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0x42 fp=0xc0006ef5b8 sp=0xc0006ef550 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(0xc000664a78?, {0x1421f98?, 0xc000896000?}) pkg/sentry/socket/unix/unix.go:132 +0x65 fp=0xc0006ef5f8 sp=0xc0006ef5b8 pc=0xa4d3e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x267 fp=0xc0006ef6e8 sp=0xc0006ef5f8 pc=0x8fca07 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc0006ef7e0?, 0xc0006ef7c0) bazel-out/k8-fastbuild/bin/pkg/sentry/vfs/file_description_refs.go:132 +0x42 fp=0xc0006ef750 sp=0xc0006ef6e8 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(0xc000737300?, {0x1421f98, 0xc000896000}, 0xc00039c9c0) pkg/sentry/kernel/fd_table.go:137 +0x19c fp=0xc0006ef7f0 sp=0xc0006ef750 pc=0x8fc6fc gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0x0?, {0x1421f98, 0xc000896000}, 0x0?, 0x0?, {0x0?}) pkg/sentry/kernel/fd_table.go:321 +0x46 fp=0xc0006ef838 sp=0xc0006ef7f0 pc=0x8fe166 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc000896000, 0x1000000?, 0x3, 0x0?) pkg/sentry/syscalls/linux/sys_file.go:572 +0xe5 fp=0xc0006ef8c8 sp=0xc0006ef838 pc=0xa719a5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup2(0xc000896000?, 0x3d?, {{0x4}, {0x3}, {0x55f8da2a0b99}, {0x7f4ce363d6c0}, {0x7f4ce363d6c0}, {0x7f4ce363d6c0}}) pkg/sentry/syscalls/linux/sys_file.go:545 +0xc8 fp=0xc0006ef918 sp=0xc0006ef8c8 pc=0xa714e8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000896000, 0x21, {{0x4}, {0x3}, {0x55f8da2a0b99}, {0x7f4ce363d6c0}, {0x7f4ce363d6c0}, {0x7f4ce363d6c0}}) pkg/sentry/kernel/task_syscall.go:142 +0x673 fp=0xc0006efc58 sp=0xc0006ef918 pc=0x942f73 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000896000, 0xc00027cd88?, {{0x4}, {0x3}, {0x55f8da2a0b99}, {0x7f4ce363d6c0}, {0x7f4ce363d6c0}, {0x7f4ce363d6c0}}) pkg/sentry/kernel/task_syscall.go:322 +0x45 fp=0xc0006efcb8 sp=0xc0006efc58 pc=0x9440e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0006efcf8?, 0x124d498?, {{0x4}, {0x3}, {0x55f8da2a0b99}, {0x7f4ce363d6c0}, {0x7f4ce363d6c0}, {0x7f4ce363d6c0}}) pkg/sentry/kernel/task_syscall.go:282 +0x59 fp=0xc0006efd18 sp=0xc0006efcb8 pc=0x943df9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00038f520?) pkg/sentry/kernel/task_syscall.go:257 +0x2d5 fp=0xc0006efe10 sp=0xc0006efd18 pc=0x943b95 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0005f2a00?, 0xc000896000) pkg/sentry/kernel/task_run.go:269 +0xfb7 fp=0xc0006eff48 sp=0xc0006efe10 pc=0x937e77 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000896000, 0x25) pkg/sentry/kernel/task_run.go:98 +0x1ef fp=0xc0006effc0 sp=0xc0006eff48 pc=0x93680f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x25 fp=0xc0006effe0 sp=0xc0006effc0 pc=0x941885 runtime.goexit() src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006effe8 sp=0xc0006effe0 pc=0x471241 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 419 pkg/sentry/kernel/task_start.go:391 +0xe5