panic: expected socket to exist at '!N' in abstract socket namespace goroutine 364 [running]: panic({0x2973a0?, 0xc000719f90?}) GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc0004beeb8 sp=0xc0004bee08 pc=0x129ea6c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0xc000196948, {0xc00067be31, 0x6b}, {0x7d7700?, 0xc000782240}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x2a5 fp=0xc0004befe8 sp=0xc0004beeb8 pc=0x1a9ab45 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0x109 fp=0xc0004bf048 sp=0xc0004befe8 pc=0x1d0ca29 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0xc0007822c0, 0xc0004bf0c0) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0x56 fp=0xc0004bf0b0 sp=0xc0004bf048 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(0xc000782240, {0x7e5b38, 0xc0004e3500}) pkg/sentry/socket/unix/unix.go:132 +0x85 fp=0xc0004bf0f0 sp=0xc0004bf0b0 pc=0x1d0c8e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x357 fp=0xc0004bf208 sp=0xc0004bf0f0 pc=0x1adfa57 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc000782240, 0xc0004bf2f8) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/file_description_refs.go:132 +0x56 fp=0xc0004bf270 sp=0xc0004bf208 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(0xc000849100?, {0x7e5b38, 0xc0004e3500}, 0xc000782240) pkg/sentry/kernel/fd_table.go:137 +0x20d fp=0xc0004bf328 sp=0xc0004bf270 pc=0x1adf62d gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0x12b1167?, {0x7e5b38, 0xc0004e3500}, 0x719760?, 0x0?, {0x0?}) pkg/sentry/kernel/fd_table.go:321 +0x85 fp=0xc0004bf390 sp=0xc0004bf328 pc=0x1ae1ca5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc0004e3500, 0x12d940c?, 0x3, 0x0) pkg/sentry/syscalls/linux/sys_file.go:572 +0x174 fp=0xc0004bf480 sp=0xc0004bf390 pc=0x1d463d4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup3(0x12daca9?, 0xc0004bf598?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f1b6d8139a7}, {0x7fbc025ff6c0}}) pkg/sentry/syscalls/linux/sys_file.go:558 +0x75 fp=0xc0004bf4d8 sp=0xc0004bf480 pc=0x1d461f5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0004e3500, 0x124, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f1b6d8139a7}, {0x7fbc025ff6c0}}) pkg/sentry/kernel/task_syscall.go:142 +0x8b5 fp=0xc0004bf8f8 sp=0xc0004bf4d8 pc=0x1b55575 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0004e3500, 0x24f4740?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f1b6d8139a7}, {0x7fbc025ff6c0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6c fp=0xc0004bf998 sp=0xc0004bf8f8 pc=0x1b573ac gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0004bfb58?, 0x2064af9?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f1b6d8139a7}, {0x7fbc025ff6c0}}) pkg/sentry/kernel/task_syscall.go:282 +0x87 fp=0xc0004bfa10 sp=0xc0004bf998 pc=0x1b56d67 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0004e3500) pkg/sentry/kernel/task_syscall.go:257 +0x4f0 fp=0xc0004bfb68 sp=0xc0004bfa10 pc=0x1b568f0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0004e3500?, 0xc0004e3500) pkg/sentry/kernel/task_run.go:269 +0x1e08 fp=0xc0004bfe70 sp=0xc0004bfb68 pc=0x1b41168 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0004e3500, 0x1c) pkg/sentry/kernel/task_run.go:98 +0x43b fp=0xc0004bffb0 sp=0xc0004bfe70 pc=0x1b3ea7b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x45 fp=0xc0004bffe0 sp=0xc0004bffb0 pc=0x1b53305 runtime.goexit() src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004bffe8 sp=0xc0004bffe0 pc=0x12d7a81 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 349 pkg/sentry/kernel/task_start.go:391 +0x1ae