panic: expected socket to exist at ' N' in abstract socket namespace goroutine 469 [running]: panic({0x2973a0?, 0xc000358600?}) GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc0006cae98 sp=0xc0006cade8 pc=0x129ea6c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0xc0001ee268, {0xc0003ae4d1, 0x6b}, {0x7d7700?, 0xc0002d8300}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x2a5 fp=0xc0006cafc8 sp=0xc0006cae98 pc=0x1a9ab45 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0x109 fp=0xc0006cb028 sp=0xc0006cafc8 pc=0x1d0ca29 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0xc0002d8380, 0xc0006cb0a0) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0x56 fp=0xc0006cb090 sp=0xc0006cb028 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(0xc0002d8300, {0x7e5b38, 0xc0006fd500}) pkg/sentry/socket/unix/unix.go:132 +0x85 fp=0xc0006cb0d0 sp=0xc0006cb090 pc=0x1d0c8e5 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x357 fp=0xc0006cb1e8 sp=0xc0006cb0d0 pc=0x1adfa57 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc0002d8300, 0xc0006cb2d8) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/file_description_refs.go:132 +0x56 fp=0xc0006cb250 sp=0xc0006cb1e8 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(0xc00061f900?, {0x7e5b38, 0xc0006fd500}, 0xc0002d8300) pkg/sentry/kernel/fd_table.go:137 +0x20d fp=0xc0006cb308 sp=0xc0006cb250 pc=0x1adf62d gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0xc0006cb4c8?, {0x7e5b38, 0xc0006fd500}, 0x7e7c40?, 0xc0006fd501?, {0xf8?}) pkg/sentry/kernel/fd_table.go:321 +0x85 fp=0xc0006cb370 sp=0xc0006cb308 pc=0x1ae1ca5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc0006fd500, 0x12d940c?, 0x3, 0x0) pkg/sentry/syscalls/linux/sys_file.go:572 +0x174 fp=0xc0006cb460 sp=0xc0006cb370 pc=0x1d463d4 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup2(0xc0006fd500, 0xc0006cb598?, {{0x4}, {0x3}, {0x563f90f398c9}, {0x7ff9235376c0}, {0x7ff9235376c0}, {0x7ff9235376c0}}) pkg/sentry/syscalls/linux/sys_file.go:545 +0x125 fp=0xc0006cb4d8 sp=0xc0006cb460 pc=0x1d45c85 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0006fd500, 0x21, {{0x4}, {0x3}, {0x563f90f398c9}, {0x7ff9235376c0}, {0x7ff9235376c0}, {0x7ff9235376c0}}) pkg/sentry/kernel/task_syscall.go:142 +0x8b5 fp=0xc0006cb8f8 sp=0xc0006cb4d8 pc=0x1b55575 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0006fd500, 0x24f4740?, {{0x4}, {0x3}, {0x563f90f398c9}, {0x7ff9235376c0}, {0x7ff9235376c0}, {0x7ff9235376c0}}) pkg/sentry/kernel/task_syscall.go:322 +0x6c fp=0xc0006cb998 sp=0xc0006cb8f8 pc=0x1b573ac gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0006cbb58?, 0x2064af9?, {{0x4}, {0x3}, {0x563f90f398c9}, {0x7ff9235376c0}, {0x7ff9235376c0}, {0x7ff9235376c0}}) pkg/sentry/kernel/task_syscall.go:282 +0x87 fp=0xc0006cba10 sp=0xc0006cb998 pc=0x1b56d67 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006fd500) pkg/sentry/kernel/task_syscall.go:257 +0x4f0 fp=0xc0006cbb68 sp=0xc0006cba10 pc=0x1b568f0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0006fd500?, 0xc0006fd500) pkg/sentry/kernel/task_run.go:269 +0x1e08 fp=0xc0006cbe70 sp=0xc0006cbb68 pc=0x1b41168 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0006fd500, 0x20) pkg/sentry/kernel/task_run.go:98 +0x43b fp=0xc0006cbfb0 sp=0xc0006cbe70 pc=0x1b3ea7b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x45 fp=0xc0006cbfe0 sp=0xc0006cbfb0 pc=0x1b53305 runtime.goexit() src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006cbfe8 sp=0xc0006cbfe0 pc=0x12d7a81 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 425 pkg/sentry/kernel/task_start.go:391 +0x1ae