panic: expected socket to exist at ' N' in abstract socket namespace goroutine 214 [running]: panic({0x10d9d60?, 0xc00078e320?}) GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc0009bf400 sp=0xc0009bf350 pc=0x43a72c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0xc000898178, {0xc0005d2151, 0x6b}, {0x15519e0?, 0xc000992000}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x22a fp=0xc0009bf4e0 sp=0xc0009bf400 pc=0x94e1ca gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0xb7 fp=0xc0009bf530 sp=0xc0009bf4e0 pc=0xaff377 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0xc0009bf5f0?, 0xc0009bf5a8) bazel-out/k8-fastbuild/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0x75 fp=0xc0009bf598 sp=0xc0009bf530 pc=0xafeaf5 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef(0xc000992000?, {0x155fab8?, 0xc000339500?}) pkg/sentry/socket/unix/unix.go:116 +0x6b fp=0xc0009bf5d8 sp=0xc0009bf598 pc=0xaff28b gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release(0xc000916120?, {0x155fab8?, 0xc000339500?}) pkg/sentry/socket/unix/unix.go:132 +0x27 fp=0xc0009bf600 sp=0xc0009bf5d8 pc=0xaff407 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x305 fp=0xc0009bf6e0 sp=0xc0009bf600 pc=0x77e245 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0x153e778?, 0xc0009bf758) bazel-out/k8-fastbuild/bin/pkg/sentry/vfs/file_description_refs.go:132 +0x75 fp=0xc0009bf748 sp=0xc0009bf6e0 pc=0x7846d5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0x97b853?, {0x155fab8?, 0xc000339500?}) pkg/sentry/vfs/file_description.go:161 +0x55 fp=0xc0009bf788 sp=0xc0009bf748 pc=0x77def5 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop(0xc0001fee40?, {0x155fab8, 0xc000339500}, 0xc000992000) pkg/sentry/kernel/fd_table.go:137 +0x1c5 fp=0xc0009bf808 sp=0xc0009bf788 pc=0x97a405 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0x0?, {0x155fab8, 0xc000339500}, 0x0?, 0xc0009bf8a8?, {0x9c?}) pkg/sentry/kernel/fd_table.go:321 +0x66 fp=0xc0009bf850 sp=0xc0009bf808 pc=0x97b606 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc000339500, 0x0?, 0x3, 0x0?) pkg/sentry/syscalls/linux/sys_file.go:572 +0x113 fp=0xc0009bf8e0 sp=0xc0009bf850 pc=0xb28793 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup2(0x40000002?, 0xa426a?, {{0x4}, {0x3}, {0x55d41966b819}, {0x7fdd356c86c0}, {0x7fdd356c86c0}, {0x55d4196ee338}}) pkg/sentry/syscalls/linux/sys_file.go:545 +0xdd fp=0xc0009bf910 sp=0xc0009bf8e0 pc=0xb2859d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000339500, 0x21, {{0x4}, {0x3}, {0x55d41966b819}, {0x7fdd356c86c0}, {0x7fdd356c86c0}, {0x55d4196ee338}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc0009bfc50 sp=0xc0009bf910 pc=0x9cbf0b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000339500, 0xc00029d680?, {{0x4}, {0x3}, {0x55d41966b819}, {0x7fdd356c86c0}, {0x7fdd356c86c0}, {0x55d4196ee338}}) pkg/sentry/kernel/task_syscall.go:322 +0x4e fp=0xc0009bfcb0 sp=0xc0009bfc50 pc=0x9cd50e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x418428?, 0xc00036cea0?, {{0x4}, {0x3}, {0x55d41966b819}, {0x7fdd356c86c0}, {0x7fdd356c86c0}, {0x55d4196ee338}}) pkg/sentry/kernel/task_syscall.go:282 +0x74 fp=0xc0009bfd10 sp=0xc0009bfcb0 pc=0x9cd0d4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00081add0?) pkg/sentry/kernel/task_syscall.go:257 +0x3a8 fp=0xc0009bfe08 sp=0xc0009bfd10 pc=0x9ccdc8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000211600?, 0xc000339500) pkg/sentry/kernel/task_run.go:269 +0x1405 fp=0xc0009bff48 sp=0xc0009bfe08 pc=0x9beec5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000339500, 0x9) pkg/sentry/kernel/task_run.go:98 +0x262 fp=0xc0009bffc0 sp=0xc0009bff48 pc=0x9bd3e2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x25 fp=0xc0009bffe0 sp=0xc0009bffc0 pc=0x9ca405 runtime.goexit() src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0009bffe8 sp=0xc0009bffe0 pc=0x471241 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 246 pkg/sentry/kernel/task_start.go:391 +0xf8