panic: expected socket to exist at ' N' in abstract socket namespace goroutine 275 [running]: panic({0x2973a0?, 0xc0005f4060?}) GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc0008eae98 sp=0xc0008eade8 pc=0x129ea6c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0xc000196948, {0xc0005860e1, 0x6b}, {0x7d7700?, 0xc0007f8240}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x2a5 fp=0xc0008eafc8 sp=0xc0008eae98 pc=0x1a9ab45 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0x109 fp=0xc0008eb028 sp=0xc0008eafc8 pc=0x1d0ca29 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0xc0007f82c0, 0xc0008eb0a0) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0x56 fp=0xc0008eb090 sp=0xc0008eb028 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(0xc0007f8240, {0x7e5b38, 0xc0006f2000}) pkg/sentry/socket/unix/unix.go:132 +0x85 fp=0xc0008eb0d0 sp=0xc0008eb090 pc=0x1d0c8e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x357 fp=0xc0008eb1e8 sp=0xc0008eb0d0 pc=0x1adfa57 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc0007f8240, 0xc0008eb2d8) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/file_description_refs.go:132 +0x56 fp=0xc0008eb250 sp=0xc0008eb1e8 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(0xc000192c40?, {0x7e5b38, 0xc0006f2000}, 0xc0007f8240) pkg/sentry/kernel/fd_table.go:137 +0x20d fp=0xc0008eb308 sp=0xc0008eb250 pc=0x1adf62d gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0xc0006f26b8?, {0x7e5b38, 0xc0006f2000}, 0x15d6ed2?, 0x12b1167?, {0x40?}) pkg/sentry/kernel/fd_table.go:321 +0x85 fp=0xc0008eb370 sp=0xc0008eb308 pc=0x1ae1ca5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc0006f2000, 0x12d940c?, 0x3, 0x0) pkg/sentry/syscalls/linux/sys_file.go:572 +0x174 fp=0xc0008eb460 sp=0xc0008eb370 pc=0x1d463d4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup2(0xc0006f2000, 0x0?, {{0x4}, {0x3}, {0x5632db007de6}, {0x0}, {0x7eeaf96019a7}, {0x5632db0b0348}}) pkg/sentry/syscalls/linux/sys_file.go:545 +0x125 fp=0xc0008eb4d8 sp=0xc0008eb460 pc=0x1d45c85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0006f2000, 0x21, {{0x4}, {0x3}, {0x5632db007de6}, {0x0}, {0x7eeaf96019a7}, {0x5632db0b0348}}) pkg/sentry/kernel/task_syscall.go:142 +0x8b5 fp=0xc0008eb8f8 sp=0xc0008eb4d8 pc=0x1b55575 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0006f2000, 0xc0004b24b8?, {{0x4}, {0x3}, {0x5632db007de6}, {0x0}, {0x7eeaf96019a7}, {0x5632db0b0348}}) pkg/sentry/kernel/task_syscall.go:322 +0x6c fp=0xc0008eb998 sp=0xc0008eb8f8 pc=0x1b573ac gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0006b2a68?, 0x101d7b4?, {{0x4}, {0x3}, {0x5632db007de6}, {0x0}, {0x7eeaf96019a7}, {0x5632db0b0348}}) pkg/sentry/kernel/task_syscall.go:282 +0x87 fp=0xc0008eba10 sp=0xc0008eb998 pc=0x1b56d67 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006f2000) pkg/sentry/kernel/task_syscall.go:257 +0x4f0 fp=0xc0008ebb68 sp=0xc0008eba10 pc=0x1b568f0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0006f2000?, 0xc0006f2000) pkg/sentry/kernel/task_run.go:269 +0x1e08 fp=0xc0008ebe70 sp=0xc0008ebb68 pc=0x1b41168 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0006f2000, 0xb) pkg/sentry/kernel/task_run.go:98 +0x43b fp=0xc0008ebfb0 sp=0xc0008ebe70 pc=0x1b3ea7b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x45 fp=0xc0008ebfe0 sp=0xc0008ebfb0 pc=0x1b53305 runtime.goexit() src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0008ebfe8 sp=0xc0008ebfe0 pc=0x12d7a81 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 290 pkg/sentry/kernel/task_start.go:391 +0x1ae