panic: expected socket to exist at '$N' in abstract socket namespace goroutine 169 [running]: panic({0x297600?, 0xc00099cf60?}) GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc0008f0dd8 sp=0xc0008f0d28 pc=0x12063ac gvisor.dev/gvisor/pkg/sentry/inet.(*AbstractSocketNamespace).Remove(0xc0005b41c8, {0xc000624151, 0x6b}, {0x7111c0?, 0xc0002fc240}) pkg/sentry/inet/abstract_socket_namespace.go:141 +0x2f4 fp=0xc0008f0f08 sp=0xc0008f0dd8 pc=0x1a99494 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef.func1() pkg/sentry/socket/unix/unix.go:120 +0x15a fp=0xc0008f0f78 sp=0xc0008f0f08 pc=0x1d3bf5a gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketRefs).DecRef(0xc0002fc2c0, 0xc0008f0fe8) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/socket/unix/socket_refs.go:132 +0xaf fp=0xc0008f0fd8 sp=0xc0008f0f78 pc=0x1d3b3cf gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).DecRef(0xc0002fc240, {0x71f3f8, 0xc0006d8000}) pkg/sentry/socket/unix/unix.go:116 +0x94 fp=0xc0008f1018 sp=0xc0008f0fd8 pc=0x1d3bdb4 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*Socket).Release(0xc0002fc240?, {0x71f3f8, 0xc0006d8000}) pkg/sentry/socket/unix/unix.go:132 +0x4c fp=0xc0008f1048 sp=0xc0008f1018 pc=0x1d3c02c gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:197 +0x48f fp=0xc0008f1188 sp=0xc0008f1048 pc=0x17b540f gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc0002fc240, 0xc0008f11f8) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/file_description_refs.go:132 +0xaf fp=0xc0008f11e8 sp=0xc0008f1188 pc=0x17bf84f gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc0002fc240, {0x71f3f8, 0xc0006d8000}) pkg/sentry/vfs/file_description.go:161 +0x7a fp=0xc0008f1228 sp=0xc0008f11e8 pc=0x17b4f3a gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop(0xc00083ab80?, {0x71f3f8, 0xc0006d8000}, 0x3?) pkg/sentry/kernel/fd_table.go:137 +0x110 fp=0xc0008f12a8 sp=0xc0008f1228 pc=0x1ae27d0 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0xc0002fc3c0?, {0x71f3f8, 0xc0006d8000}, 0x2fc3c0?, 0x12425e9?, {0x70?}) pkg/sentry/kernel/fd_table.go:321 +0xc5 fp=0xc0008f1318 sp=0xc0008f12a8 pc=0x1ae4125 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(0xc0006d8000, 0x6de220?, 0x0?, {0x0?}) pkg/sentry/kernel/task.go:778 +0x8c fp=0xc0008f1380 sp=0xc0008f1318 pc=0x1b1faac gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc0006d8000, 0x1240f4c?, 0x3, 0x0) pkg/sentry/syscalls/linux/sys_file.go:572 +0x173 fp=0xc0008f1468 sp=0xc0008f1380 pc=0x1d79873 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup3(0xc0008f1540?, 0x12399ee?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f6be392d9a7}, {0x7f695dec66c0}}) pkg/sentry/syscalls/linux/sys_file.go:558 +0x105 fp=0xc0008f14d0 sp=0xc0008f1468 pc=0x1d796a5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0006d8000, 0x124, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f6be392d9a7}, {0x7f695dec66c0}}) pkg/sentry/kernel/task_syscall.go:142 +0xaff fp=0xc0008f1908 sp=0xc0008f14d0 pc=0x1b624df gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0006d8000, 0x1?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f6be392d9a7}, {0x7f695dec66c0}}) pkg/sentry/kernel/task_syscall.go:322 +0x7d fp=0xc0008f19c0 sp=0xc0008f1908 pc=0x1b6459d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0005c4690?, 0x12425e9?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x7f6be392d9a7}, {0x7f695dec66c0}}) pkg/sentry/kernel/task_syscall.go:282 +0xbd fp=0xc0008f1a38 sp=0xc0008f19c0 pc=0x1b63e9d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006d8000) pkg/sentry/kernel/task_syscall.go:257 +0x55b fp=0xc0008f1b70 sp=0xc0008f1a38 pc=0x1b639fb gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0006d8000?, 0xc0006d8000) pkg/sentry/kernel/task_run.go:269 +0x2387 fp=0xc0008f1e60 sp=0xc0008f1b70 pc=0x1b4c8e7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0006d8000, 0xd) pkg/sentry/kernel/task_run.go:98 +0x36a fp=0xc0008f1fb0 sp=0xc0008f1e60 pc=0x1b49c4a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x45 fp=0xc0008f1fe0 sp=0xc0008f1fb0 pc=0x1b5fd45 runtime.goexit() src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0008f1fe8 sp=0xc0008f1fe0 pc=0x123f3c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 227 pkg/sentry/kernel/task_start.go:391 +0x1ce