panic: Decrementing non-positive ref count 0xc00092a0c0, owned by vfs.FileDescription goroutine 1228 [running]: panic(0xfd2320, 0xc0000aca20) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc0005273f8 sp=0xc000527340 pc=0x437110 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc00092a0c0, 0xc000527480) bazel-out/k8-fastbuild-ST-3bfd66f45e612c1a5c797474a25664e227d81bf914f3b08a40e00b2e2692afa4/bin/pkg/sentry/vfs/file_description_refs.go:117 +0x18c fp=0xc000527470 sp=0xc0005273f8 pc=0x7aac4c gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc00092a0c0, 0x1328480, 0xc0008b6a80) pkg/sentry/vfs/file_description.go:163 +0x69 fp=0xc0005274b0 sp=0xc000527470 pc=0x7a5689 gvisor.dev/gvisor/pkg/sentry/socket/control.(*RightsFilesVFS2).Release(0xc000354700, 0x1328480, 0xc0008b6a80) pkg/sentry/socket/control/control_vfs2.go:87 +0x65 fp=0xc0005274f0 sp=0xc0005274b0 pc=0xa25fc5 gvisor.dev/gvisor/pkg/sentry/socket/unix/transport.(*ControlMessages).Release(...) pkg/sentry/socket/unix/transport/unix.go:79 gvisor.dev/gvisor/pkg/sentry/socket/unix/transport.(*message).Release(...) pkg/sentry/socket/unix/transport/unix.go:285 gvisor.dev/gvisor/pkg/sentry/socket/unix/transport.(*queue).Reset(0xc0000c2f00, 0x1328480, 0xc0008b6a80) pkg/sentry/socket/unix/transport/queue.go:63 +0xbe fp=0xc000527520 sp=0xc0005274f0 pc=0x70751e gvisor.dev/gvisor/pkg/sentry/socket/unix/transport.(*queue).DecRef.func1() pkg/sentry/socket/unix/transport/queue.go:75 +0x3c fp=0xc000527548 sp=0xc000527520 pc=0x70ec3c gvisor.dev/gvisor/pkg/sentry/socket/unix/transport.(*queueRefs).DecRef(0xc0000c2f00, 0xc0005275d0) bazel-out/k8-fastbuild-ST-3bfd66f45e612c1a5c797474a25664e227d81bf914f3b08a40e00b2e2692afa4/bin/pkg/sentry/socket/unix/transport/queue_refs.go:123 +0x5a fp=0xc0005275c0 sp=0xc000527548 pc=0x70887a gvisor.dev/gvisor/pkg/sentry/socket/unix/transport.(*queue).DecRef(0xc0000c2f00, 0x1328480, 0xc0008b6a80) pkg/sentry/socket/unix/transport/queue.go:72 +0x69 fp=0xc000527600 sp=0xc0005275c0 pc=0x707609 gvisor.dev/gvisor/pkg/sentry/socket/unix/transport.(*connectedEndpoint).Release(0xc000646140, 0x1328480, 0xc0008b6a80) pkg/sentry/socket/unix/transport/unix.go:717 +0x45 fp=0xc000527628 sp=0xc000527600 pc=0x70b005 gvisor.dev/gvisor/pkg/sentry/socket/unix/transport.(*connectionedEndpoint).Close(0xc000924100, 0x1328480, 0xc0008b6a80) pkg/sentry/socket/unix/transport/connectioned.go:242 +0x1f3 fp=0xc000527688 sp=0xc000527628 pc=0x704a13 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).DecRef.func1() pkg/sentry/socket/unix/unix_vfs2.go:101 +0xd6 fp=0xc0005276d8 sp=0xc000527688 pc=0xb49f36 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketVFS2Refs).DecRef(0xc00092a130, 0xc000527760) bazel-out/k8-fastbuild-ST-3bfd66f45e612c1a5c797474a25664e227d81bf914f3b08a40e00b2e2692afa4/bin/pkg/sentry/socket/unix/socket_vfs2_refs.go:123 +0x5a fp=0xc000527750 sp=0xc0005276d8 pc=0xb40e9a gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).DecRef(0xc00092a0c0, 0x1328480, 0xc0008b6a80) pkg/sentry/socket/unix/unix_vfs2.go:98 +0x6d fp=0xc000527790 sp=0xc000527750 pc=0xb460ed gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).Release(0xc00092a0c0, 0x1328480, 0xc0008b6a80) pkg/sentry/socket/unix/unix_vfs2.go:112 +0x3f fp=0xc0005277b8 sp=0xc000527790 pc=0xb4613f gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:187 +0x202 fp=0xc000527890 sp=0xc0005277b8 pc=0x7c9582 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc00092a0c0, 0xc000527918) bazel-out/k8-fastbuild-ST-3bfd66f45e612c1a5c797474a25664e227d81bf914f3b08a40e00b2e2692afa4/bin/pkg/sentry/vfs/file_description_refs.go:123 +0x5a fp=0xc000527908 sp=0xc000527890 pc=0x7aab1a gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc00092a0c0, 0x1328480, 0xc0008b6a80) pkg/sentry/vfs/file_description.go:163 +0x69 fp=0xc000527948 sp=0xc000527908 pc=0x7a5689 gvisor.dev/gvisor/pkg/sentry/socket/control.(*RightsFilesVFS2).Release(0xc000354700, 0x1328480, 0xc0008b6a80) pkg/sentry/socket/control/control_vfs2.go:87 +0x65 fp=0xc000527988 sp=0xc000527948 pc=0xa25fc5 gvisor.dev/gvisor/pkg/sentry/socket/unix/transport.(*ControlMessages).Release(...) pkg/sentry/socket/unix/transport/unix.go:79 gvisor.dev/gvisor/pkg/sentry/socket/unix/transport.(*streamQueueReceiver).Release(0xc000926000, 0x1328480, 0xc0008b6a80) pkg/sentry/socket/unix/transport/unix.go:574 +0xc2 fp=0xc0005279b0 sp=0xc000527988 pc=0x70ab22 gvisor.dev/gvisor/pkg/sentry/socket/unix/transport.(*connectionedEndpoint).Close(0xc000924000, 0x1328480, 0xc0008b6a80) pkg/sentry/socket/unix/transport/connectioned.go:246 +0x1ba fp=0xc000527a10 sp=0xc0005279b0 pc=0x7049da gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).DecRef.func1() pkg/sentry/socket/unix/unix_vfs2.go:101 +0xd6 fp=0xc000527a60 sp=0xc000527a10 pc=0xb49f36 gvisor.dev/gvisor/pkg/sentry/socket/unix.(*socketVFS2Refs).DecRef(0xc00092a070, 0xc000527ae8) bazel-out/k8-fastbuild-ST-3bfd66f45e612c1a5c797474a25664e227d81bf914f3b08a40e00b2e2692afa4/bin/pkg/sentry/socket/unix/socket_vfs2_refs.go:123 +0x5a fp=0xc000527ad8 sp=0xc000527a60 pc=0xb40e9a gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).DecRef(0xc00092a000, 0x1328480, 0xc0008b6a80) pkg/sentry/socket/unix/unix_vfs2.go:98 +0x6d fp=0xc000527b18 sp=0xc000527ad8 pc=0xb460ed gvisor.dev/gvisor/pkg/sentry/socket/unix.(*SocketVFS2).Release(0xc00092a000, 0x1328480, 0xc0008b6a80) pkg/sentry/socket/unix/unix_vfs2.go:112 +0x3f fp=0xc000527b40 sp=0xc000527b18 pc=0xb4613f gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:187 +0x202 fp=0xc000527c18 sp=0xc000527b40 pc=0x7c9582 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc00092a000, 0xc000527ca0) bazel-out/k8-fastbuild-ST-3bfd66f45e612c1a5c797474a25664e227d81bf914f3b08a40e00b2e2692afa4/bin/pkg/sentry/vfs/file_description_refs.go:123 +0x5a fp=0xc000527c90 sp=0xc000527c18 pc=0x7aab1a gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc00092a000, 0x1328480, 0xc0008b6a80) pkg/sentry/vfs/file_description.go:163 +0x69 fp=0xc000527cd0 sp=0xc000527c90 pc=0x7a5689 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).dropVFS2(0xc0004547b0, 0x1328480, 0xc0008b6a80, 0xc00092a000) pkg/sentry/kernel/fd_table.go:171 +0x145 fp=0xc000527d50 sp=0xc000527cd0 pc=0x994165 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).RemoveIf(0xc0004547b0, 0x1328480, 0xc0008b6a80, 0x11edfb0) pkg/sentry/kernel/fd_table.go:672 +0x1d6 fp=0xc000527e08 sp=0xc000527d50 pc=0x9965f6 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef.func1() pkg/sentry/kernel/fd_table.go:186 +0x48 fp=0xc000527e38 sp=0xc000527e08 pc=0x9ed9c8 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTableRefs).DecRef(0xc0004547b0, 0xc000527ec0) bazel-out/k8-fastbuild-ST-3bfd66f45e612c1a5c797474a25664e227d81bf914f3b08a40e00b2e2692afa4/bin/pkg/sentry/kernel/fd_table_refs.go:123 +0x5a fp=0xc000527eb0 sp=0xc000527e38 pc=0x996bda gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef(0xc0004547b0, 0x1328480, 0xc0008b6a80) pkg/sentry/kernel/fd_table.go:185 +0x69 fp=0xc000527ef0 sp=0xc000527eb0 pc=0x994349 gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0x0, 0xc0008b6a80, 0x12fa5e0, 0x0) pkg/sentry/kernel/task_exit.go:276 +0x1f1 fp=0xc000527f60 sp=0xc000527ef0 pc=0x9bcff1 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0008b6a80, 0x19) pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc000527fd0 sp=0xc000527f60 pc=0x9c620f runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000527fd8 sp=0xc000527fd0 pc=0x470681 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0xfe