panic: expected socket to exist at '!N' in abstract socket namespace goroutine 2285 [running]: panic({0xc23f20?, 0x40011ad260?}) GOROOT/src/runtime/panic.go:1017 +0x3cc fp=0x400081f3a0 sp=0x400081f2f0 pc=0x49d0c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0x40000e6a38, {0x40013b57a1, 0x6b}, {0x10add50?, 0x4000ce4fc0}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x1b4 fp=0x400081f480 sp=0x400081f3a0 pc=0x51e494 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0xa8 fp=0x400081f4d0 sp=0x400081f480 pc=0x6b0148 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0x400088f5a8?, 0x400081f558) bazel-out/aarch64-fastbuild/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0xa0 fp=0x400081f540 sp=0x400081f4d0 pc=0x6af9b0 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef(0x4000ce4fc0?, {0x10bbc48?, 0x4001552a80?}) pkg/sentry/socket/unix/unix.go:116 +0x64 fp=0x400081f580 sp=0x400081f540 pc=0x6b0064 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release(0x4000fc1290?, {0x10bbc48?, 0x4001552a80?}) pkg/sentry/socket/unix/unix.go:132 +0x30 fp=0x400081f5b0 sp=0x400081f580 pc=0x6b01d0 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x2e8 fp=0x400081f690 sp=0x400081f5b0 pc=0x367458 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0x4000635de0?, 0x400088f718) bazel-out/aarch64-fastbuild/bin/pkg/sentry/vfs/file_description_refs.go:132 +0xa0 fp=0x400081f700 sp=0x400081f690 pc=0x36d320 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0x4001389330?, {0x10bbc48?, 0x4001552a80?}) pkg/sentry/vfs/file_description.go:161 +0x58 fp=0x400081f740 sp=0x400081f700 pc=0x367138 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop(0x40011c5e80?, {0x10bbc48, 0x4001552a80}, 0x4000ce4fc0) pkg/sentry/kernel/fd_table.go:137 +0x1ac fp=0x400081f7c0 sp=0x400081f740 pc=0x54764c gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0x0?, {0x10bbc48, 0x4001552a80}, 0x0?, 0x400088f8c8?, {0xd8?}) pkg/sentry/kernel/fd_table.go:321 +0x64 fp=0x400081f810 sp=0x400081f7c0 pc=0x5486f4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0x4001552a80, 0xc9a91128?, 0x3, 0x0) pkg/sentry/syscalls/linux/sys_file.go:572 +0xe4 fp=0x400081f8a0 sp=0x400081f810 pc=0x6d4844 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup3(0x4001552a80?, 0x3?, {{0x4}, {0x3}, {0x0}, {0xdef9c9a8f050}, {0xebbc591d85f0}, {0xebbc591a9000}}) pkg/sentry/syscalls/linux/sys_file.go:558 +0x88 fp=0x400081f8d0 sp=0x400081f8a0 pc=0x6d4738 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x4001552a80, 0x18, {{0x4}, {0x3}, {0x0}, {0xdef9c9a8f050}, {0xebbc591d85f0}, {0xebbc591a9000}}) pkg/sentry/kernel/task_syscall.go:142 +0x678 fp=0x400081fc10 sp=0x400081f8d0 pc=0x5937d8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x4001552a80, 0x27080?, {{0x4}, {0x3}, {0x0}, {0xdef9c9a8f050}, {0xebbc591d85f0}, {0xebbc591a9000}}) pkg/sentry/kernel/task_syscall.go:322 +0x48 fp=0x400081fc70 sp=0x400081fc10 pc=0x594ad8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x400088fdc8?, 0x400088fcf0?, {{0x4}, {0x3}, {0x0}, {0xdef9c9a8f050}, {0xebbc591d85f0}, {0xebbc591a9000}}) pkg/sentry/kernel/task_syscall.go:282 +0x7c fp=0x400081fcd0 sp=0x400081fc70 pc=0x59469c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x4001087520?) pkg/sentry/kernel/task_syscall.go:257 +0x320 fp=0x400081fdd0 sp=0x400081fcd0 pc=0x5943d0 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x400150e680?, 0x4001552a80) pkg/sentry/kernel/task_run.go:269 +0x1154 fp=0x400081ff20 sp=0x400081fdd0 pc=0x587454 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x4001552a80, 0x1f0) pkg/sentry/kernel/task_run.go:98 +0x260 fp=0x400081ffb0 sp=0x400081ff20 pc=0x585c60 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x2c fp=0x400081ffd0 sp=0x400081ffb0 pc=0x591eec runtime.goexit() src/runtime/asm_arm64.s:1197 +0x4 fp=0x400081ffd0 sp=0x400081ffd0 pc=0x81854 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 2254 pkg/sentry/kernel/task_start.go:391 +0xf8