panic: expected socket to exist at '$N' in abstract socket namespace goroutine 153 [running]: panic({0xfc8d40?, 0xc0003ac590?}) GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc000403448 sp=0xc000403398 pc=0x43a72c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0xc0001d6498, {0xc0005e00e1, 0x6b}, {0x1413b80?, 0xc0005ba000}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x22a fp=0xc000403528 sp=0xc000403448 pc=0x8d372a gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0x9b fp=0xc000403578 sp=0xc000403528 pc=0xa4d4bb gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0xa544c5?, 0xc0005685f0) bazel-out/k8-fastbuild/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0x42 fp=0xc0004035e0 sp=0xc000403578 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(0xc0005b4178?, {0x1421ed8?, 0xc0004f0000?}) pkg/sentry/socket/unix/unix.go:132 +0x65 fp=0xc000403620 sp=0xc0004035e0 pc=0xa4d3e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x267 fp=0xc000403710 sp=0xc000403620 pc=0x8fca07 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc000568808?, 0xc0005687e8) bazel-out/k8-fastbuild/bin/pkg/sentry/vfs/file_description_refs.go:132 +0x42 fp=0xc000403778 sp=0xc000403710 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(0xc0005b1b80?, {0x1421ed8, 0xc0004f0000}, 0xc0005ba000) pkg/sentry/kernel/fd_table.go:137 +0x19c fp=0xc000403818 sp=0xc000403778 pc=0x8fc6fc gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0xc0004f0000?, {0x1421ed8, 0xc0004f0000}, 0x31040?, 0xc0005688c0?, {0xee?}) pkg/sentry/kernel/fd_table.go:321 +0x46 fp=0xc000403860 sp=0xc000403818 pc=0x8fe166 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc0004f0000, 0x2?, 0x3, 0x0?) pkg/sentry/syscalls/linux/sys_file.go:572 +0xe5 fp=0xc0004038f0 sp=0xc000403860 pc=0xa719a5 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup3(0xc0004f0000?, 0x10101?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f60fb3c5ae7}, {0x7f374fac56c0}}) pkg/sentry/syscalls/linux/sys_file.go:558 +0x3e fp=0xc000403918 sp=0xc0004038f0 pc=0xa7189e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0004f0000, 0x124, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f60fb3c5ae7}, {0x7f374fac56c0}}) pkg/sentry/kernel/task_syscall.go:142 +0x673 fp=0xc000403c58 sp=0xc000403918 pc=0x942f73 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0004f0000, 0xc00001c788?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f60fb3c5ae7}, {0x7f374fac56c0}}) pkg/sentry/kernel/task_syscall.go:322 +0x45 fp=0xc000403cb8 sp=0xc000403c58 pc=0x9440e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000568cf8?, 0x124d408?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f60fb3c5ae7}, {0x7f374fac56c0}}) pkg/sentry/kernel/task_syscall.go:282 +0x59 fp=0xc000403d18 sp=0xc000403cb8 pc=0x943df9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006cc680?) pkg/sentry/kernel/task_syscall.go:257 +0x2d5 fp=0xc000403e10 sp=0xc000403d18 pc=0x943b95 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0001ca900?, 0xc0004f0000) pkg/sentry/kernel/task_run.go:269 +0xfb7 fp=0xc000403f48 sp=0xc000403e10 pc=0x937e77 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0004f0000, 0xa) pkg/sentry/kernel/task_run.go:98 +0x1ef fp=0xc000403fc0 sp=0xc000403f48 pc=0x93680f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x25 fp=0xc000403fe0 sp=0xc000403fc0 pc=0x941885 runtime.goexit() src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000403fe8 sp=0xc000403fe0 pc=0x471241 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 141 pkg/sentry/kernel/task_start.go:391 +0xe5