panic: expected socket to exist at '$N' in abstract socket namespace goroutine 421 [running]: panic({0x10d9d40?, 0xc0005fcbd0?}) GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc000c0f408 sp=0xc000c0f358 pc=0x43a72c gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0xc000253208, {0xc0007a2151, 0x6b}, {0x1551940?, 0xc0002ba780}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x22a fp=0xc000c0f4e8 sp=0xc000c0f408 pc=0x94e1ca gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0xb7 fp=0xc000c0f538 sp=0xc000c0f4e8 pc=0xaff377 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0xc0006005f8?, 0xc0006005b0) bazel-out/k8-fastbuild/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0x75 fp=0xc000c0f5a0 sp=0xc000c0f538 pc=0xafeaf5 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef(0xc0002ba780?, {0x155fa18?, 0xc000947500?}) pkg/sentry/socket/unix/unix.go:116 +0x6b fp=0xc000c0f5e0 sp=0xc000c0f5a0 pc=0xaff28b gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release(0xc0008874d0?, {0x155fa18?, 0xc000947500?}) pkg/sentry/socket/unix/unix.go:132 +0x27 fp=0xc000c0f608 sp=0xc000c0f5e0 pc=0xaff407 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x305 fp=0xc000c0f6e8 sp=0xc000c0f608 pc=0x77e245 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0x153e6d8?, 0xc000600760) bazel-out/k8-fastbuild/bin/pkg/sentry/vfs/file_description_refs.go:132 +0x75 fp=0xc000c0f750 sp=0xc000c0f6e8 pc=0x7846d5 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0x97b853?, {0x155fa18?, 0xc000947500?}) pkg/sentry/vfs/file_description.go:161 +0x55 fp=0xc000c0f790 sp=0xc000c0f750 pc=0x77def5 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop(0xc0005f00c0?, {0x155fa18, 0xc000947500}, 0xc0002ba780) pkg/sentry/kernel/fd_table.go:137 +0x1c5 fp=0xc000c0f810 sp=0xc000c0f790 pc=0x97a405 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0x9d65cf?, {0x155fa18, 0xc000947500}, 0x600900?, 0xb32245?, {0xb8?}) pkg/sentry/kernel/fd_table.go:321 +0x66 fp=0xc000c0f858 sp=0xc000c0f810 pc=0x97b606 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(...) pkg/sentry/kernel/task.go:778 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc000947500, 0x183e4d6a?, 0x3, 0x947500?) pkg/sentry/syscalls/linux/sys_file.go:572 +0x113 fp=0xc000c0f8e8 sp=0xc000c0f858 pc=0xb28793 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup3(0xc000947500?, 0x555ad6000000?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:558 +0x7a fp=0xc000c0f910 sp=0xc000c0f8e8 pc=0xb2865a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000947500, 0x124, {{0x4}, {0x3}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc000c0fc50 sp=0xc000c0f910 pc=0x9cbf0b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000947500, 0xc0009a2c00?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x4e fp=0xc000c0fcb0 sp=0xc000c0fc50 pc=0x9cd50e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000600df8?, 0xd79707?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0x74 fp=0xc000c0fd10 sp=0xc000c0fcb0 pc=0x9cd0d4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006ee410?) pkg/sentry/kernel/task_syscall.go:257 +0x3a8 fp=0xc000c0fe08 sp=0xc000c0fd10 pc=0x9ccdc8 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000727200?, 0xc000947500) pkg/sentry/kernel/task_run.go:269 +0x1405 fp=0xc000c0ff48 sp=0xc000c0fe08 pc=0x9beec5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000947500, 0x15) pkg/sentry/kernel/task_run.go:98 +0x262 fp=0xc000c0ffc0 sp=0xc000c0ff48 pc=0x9bd3e2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x25 fp=0xc000c0ffe0 sp=0xc000c0ffc0 pc=0x9ca405 runtime.goexit() src/runtime/asm_amd64.s:1650 +0x1 fp=0xc000c0ffe8 sp=0xc000c0ffe0 pc=0x471241 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 127 pkg/sentry/kernel/task_start.go:391 +0xf8