panic: expected socket to exist at ' N' in abstract socket namespace goroutine 299 [running]: panic({0x2973a0?, 0xc0001dd010?}) GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc0001f6e98 sp=0xc0001f6de8 pc=0x129ea6c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0xc000196218, {0xc0001e4cb1, 0x6b}, {0x7d7700?, 0xc00063e000}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x2a5 fp=0xc0001f6fc8 sp=0xc0001f6e98 pc=0x1a9ab45 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0x109 fp=0xc0001f7028 sp=0xc0001f6fc8 pc=0x1d0ca29 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0xc00063e080, 0xc0001f70a0) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0x56 fp=0xc0001f7090 sp=0xc0001f7028 pc=0x1d0bdd6 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(0xc00063e000, {0x7e5b38, 0xc000665500}) pkg/sentry/socket/unix/unix.go:132 +0x85 fp=0xc0001f70d0 sp=0xc0001f7090 pc=0x1d0c8e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x357 fp=0xc0001f71e8 sp=0xc0001f70d0 pc=0x1adfa57 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc00063e000, 0xc0001f72d8) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/file_description_refs.go:132 +0x56 fp=0xc0001f7250 sp=0xc0001f71e8 pc=0x1810b76 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(...) pkg/sentry/vfs/file_description.go:161 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop(0xc00026ba40?, {0x7e5b38, 0xc000665500}, 0xc00063e000) pkg/sentry/kernel/fd_table.go:137 +0x20d fp=0xc0001f7308 sp=0xc0001f7250 pc=0x1adf62d gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0xc0001f74c8?, {0x7e5b38, 0xc000665500}, 0x7e7c40?, 0xc000665501?, {0xf8?}) pkg/sentry/kernel/fd_table.go:321 +0x85 fp=0xc0001f7370 sp=0xc0001f7308 pc=0x1ae1ca5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc000665500, 0x12d940c?, 0x3, 0x0) pkg/sentry/syscalls/linux/sys_file.go:572 +0x174 fp=0xc0001f7460 sp=0xc0001f7370 pc=0x1d463d4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup2(0xc000665500, 0xc0001f7598?, {{0x4}, {0x3}, {0x561e307aab99}, {0x7f17012416c0}, {0x7f17012416c0}, {0x7f17012416c0}}) pkg/sentry/syscalls/linux/sys_file.go:545 +0x125 fp=0xc0001f74d8 sp=0xc0001f7460 pc=0x1d45c85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000665500, 0x21, {{0x4}, {0x3}, {0x561e307aab99}, {0x7f17012416c0}, {0x7f17012416c0}, {0x7f17012416c0}}) pkg/sentry/kernel/task_syscall.go:142 +0x8b5 fp=0xc0001f78f8 sp=0xc0001f74d8 pc=0x1b55575 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000665500, 0x24f4740?, {{0x4}, {0x3}, {0x561e307aab99}, {0x7f17012416c0}, {0x7f17012416c0}, {0x7f17012416c0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6c fp=0xc0001f7998 sp=0xc0001f78f8 pc=0x1b573ac gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0001f7b58?, 0x2064af9?, {{0x4}, {0x3}, {0x561e307aab99}, {0x7f17012416c0}, {0x7f17012416c0}, {0x7f17012416c0}}) pkg/sentry/kernel/task_syscall.go:282 +0x87 fp=0xc0001f7a10 sp=0xc0001f7998 pc=0x1b56d67 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000665500) pkg/sentry/kernel/task_syscall.go:257 +0x4f0 fp=0xc0001f7b68 sp=0xc0001f7a10 pc=0x1b568f0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000665500?, 0xc000665500) pkg/sentry/kernel/task_run.go:269 +0x1e08 fp=0xc0001f7e70 sp=0xc0001f7b68 pc=0x1b41168 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000665500, 0x1f) pkg/sentry/kernel/task_run.go:98 +0x43b fp=0xc0001f7fb0 sp=0xc0001f7e70 pc=0x1b3ea7b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x45 fp=0xc0001f7fe0 sp=0xc0001f7fb0 pc=0x1b53305 runtime.goexit() src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0001f7fe8 sp=0xc0001f7fe0 pc=0x12d7a81 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 338 pkg/sentry/kernel/task_start.go:391 +0x1ae