panic: expected socket to exist at ' N' in abstract socket namespace goroutine 255 [running]: panic({0x10d9d60?, 0xc0001a22b0?}) GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc000753400 sp=0xc000753350 pc=0x43a72c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0xc0008ba448, {0xc0002bb2d1, 0x6b}, {0x15519e0?, 0xc0008fc3c0}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x22a fp=0xc0007534e0 sp=0xc000753400 pc=0x94e1ca gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0xb7 fp=0xc000753530 sp=0xc0007534e0 pc=0xaff377 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0xc0007535f0?, 0xc0007535a8) bazel-out/k8-fastbuild/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0x75 fp=0xc000753598 sp=0xc000753530 pc=0xafeaf5 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef(0xc0008fc3c0?, {0x155fab8?, 0xc000713500?}) pkg/sentry/socket/unix/unix.go:116 +0x6b fp=0xc0007535d8 sp=0xc000753598 pc=0xaff28b gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release(0xc0002bd830?, {0x155fab8?, 0xc000713500?}) pkg/sentry/socket/unix/unix.go:132 +0x27 fp=0xc000753600 sp=0xc0007535d8 pc=0xaff407 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x305 fp=0xc0007536e0 sp=0xc000753600 pc=0x77e245 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0x153e778?, 0xc000753758) bazel-out/k8-fastbuild/bin/pkg/sentry/vfs/file_description_refs.go:132 +0x75 fp=0xc000753748 sp=0xc0007536e0 pc=0x7846d5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0x97b853?, {0x155fab8?, 0xc000713500?}) pkg/sentry/vfs/file_description.go:161 +0x55 fp=0xc000753788 sp=0xc000753748 pc=0x77def5 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop(0xc000896940?, {0x155fab8, 0xc000713500}, 0xc0008fc3c0) pkg/sentry/kernel/fd_table.go:137 +0x1c5 fp=0xc000753808 sp=0xc000753788 pc=0x97a405 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0x0?, {0x155fab8, 0xc000713500}, 0x0?, 0xc0007538a8?, {0x9c?}) pkg/sentry/kernel/fd_table.go:321 +0x66 fp=0xc000753850 sp=0xc000753808 pc=0x97b606 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc000713500, 0x0?, 0x3, 0x0?) pkg/sentry/syscalls/linux/sys_file.go:572 +0x113 fp=0xc0007538e0 sp=0xc000753850 pc=0xb28793 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup2(0x40000002?, 0xbc268?, {{0x4}, {0x3}, {0x561dc181ae89}, {0x7ffab43c56c0}, {0x7ffab43c56c0}, {0x7ffab43c56c0}}) pkg/sentry/syscalls/linux/sys_file.go:545 +0xdd fp=0xc000753910 sp=0xc0007538e0 pc=0xb2859d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000713500, 0x21, {{0x4}, {0x3}, {0x561dc181ae89}, {0x7ffab43c56c0}, {0x7ffab43c56c0}, {0x7ffab43c56c0}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc000753c50 sp=0xc000753910 pc=0x9cbf0b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000713500, 0xc0002e30e0?, {{0x4}, {0x3}, {0x561dc181ae89}, {0x7ffab43c56c0}, {0x7ffab43c56c0}, {0x7ffab43c56c0}}) pkg/sentry/kernel/task_syscall.go:322 +0x4e fp=0xc000753cb0 sp=0xc000753c50 pc=0x9cd50e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x418428?, 0xc000318f60?, {{0x4}, {0x3}, {0x561dc181ae89}, {0x7ffab43c56c0}, {0x7ffab43c56c0}, {0x7ffab43c56c0}}) pkg/sentry/kernel/task_syscall.go:282 +0x74 fp=0xc000753d10 sp=0xc000753cb0 pc=0x9cd0d4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00089d110?) pkg/sentry/kernel/task_syscall.go:257 +0x3a8 fp=0xc000753e08 sp=0xc000753d10 pc=0x9ccdc8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000826400?, 0xc000713500) pkg/sentry/kernel/task_run.go:269 +0x1405 fp=0xc000753f48 sp=0xc000753e08 pc=0x9beec5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000713500, 0xb) pkg/sentry/kernel/task_run.go:98 +0x262 fp=0xc000753fc0 sp=0xc000753f48 pc=0x9bd3e2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x25 fp=0xc000753fe0 sp=0xc000753fc0 pc=0x9ca405 runtime.goexit() src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000753fe8 sp=0xc000753fe0 pc=0x471241 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 363 pkg/sentry/kernel/task_start.go:391 +0xf8