panic: Decrementing non-positive ref count 0x40000005a0, owned by vfs.Filesystem goroutine 187 [running]: panic({0xc352e0?, 0x4001e99ba0?}) GOROOT/src/runtime/panic.go:1017 +0x3cc fp=0x40008b59e0 sp=0x40008b5930 pc=0x49cec gvisor.dev/gvisor/pkg/sentry/vfs.(*FilesystemRefs).DecRef(0x40000005a0, 0x4001843750?) bazel-out/aarch64-fastbuild/bin/pkg/sentry/vfs/filesystem_refs.go:126 +0x174 fp=0x40008b5a50 sp=0x40008b59e0 pc=0x37b1a4 gvisor.dev/gvisor/pkg/sentry/vfs.(*Filesystem).DecRef(0x40008b5ad8?, {0x10d65e8?, 0x400057aa80?}) pkg/sentry/vfs/filesystem.go:77 +0x58 fp=0x40008b5a90 sp=0x40008b5a50 pc=0x37a758 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0x400053f378, {0x10d65e8, 0x400057aa80}) pkg/sentry/vfs/vfs.go:1030 +0x194 fp=0x40008b5b40 sp=0x40008b5a90 pc=0x3973a4 gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy.func1() pkg/sentry/vfs/mount.go:826 +0x30 fp=0x40008b5b70 sp=0x40008b5b40 pc=0x383af0 gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).destroy(0x4000192f20, {0x10d65e8, 0x400057aa80}) pkg/sentry/vfs/mount.go:839 +0x27c fp=0x40008b5c10 sp=0x40008b5b70 pc=0x383a3c gvisor.dev/gvisor/pkg/sentry/vfs.(*Mount).DecRef(0x4000192f20, {0x10d65e8, 0x400057aa80}) pkg/sentry/vfs/mount.go:820 +0xbc fp=0x40008b5c40 sp=0x40008b5c10 pc=0x38378c gvisor.dev/gvisor/pkg/sentry/vfs.VirtualDentry.DecRef({0x4000192f20?, 0x400072ad00?}, {0x10d65e8, 0x400057aa80}) pkg/sentry/vfs/vfs.go:1086 +0x70 fp=0x40008b5c70 sp=0x40008b5c40 pc=0x397510 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualDentry).DecRef(0x40008b5ce8?, {0x10d65e8?, 0x400057aa80?}) :1 +0x48 fp=0x40008b5ca0 sp=0x40008b5c70 pc=0x3a6c28 gvisor.dev/gvisor/pkg/sentry/vfs.(*VirtualFilesystem).unlockMounts(0x400053f378, {0x10d65e8, 0x400057aa80}) pkg/sentry/vfs/vfs.go:1030 +0x194 fp=0x40008b5d50 sp=0x40008b5ca0 pc=0x3973a4 gvisor.dev/gvisor/pkg/sentry/vfs.(*MountNamespace).Destroy(0x40008587b0, {0x10d65e8, 0x400057aa80}) pkg/sentry/vfs/namespace.go:201 +0x90 fp=0x40008b5d90 sp=0x40008b5d50 pc=0x38a680 gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*Inode).DecRef.func1() pkg/sentry/fsimpl/nsfs/nsfs.go:96 +0x40 fp=0x40008b5dc0 sp=0x40008b5d90 pc=0x42ce00 gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*inodeRefs).DecRef(0x0?, 0x40008b5e48) bazel-out/aarch64-fastbuild/bin/pkg/sentry/fsimpl/nsfs/inode_refs.go:132 +0xa0 fp=0x40008b5e30 sp=0x40008b5dc0 pc=0x42c8c0 gvisor.dev/gvisor/pkg/sentry/fsimpl/nsfs.(*Inode).DecRef(0x400057aa80?, {0x10d65e8?, 0x400057aa80?}) pkg/sentry/fsimpl/nsfs/nsfs.go:96 +0x60 fp=0x40008b5e70 sp=0x40008b5e30 pc=0x42cd90 gvisor.dev/gvisor/pkg/sentry/vfs.(*MountNamespace).DecRef(...) pkg/sentry/vfs/namespace.go:216 gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0x400057aa80, 0x400057aa80) pkg/sentry/kernel/task_exit.go:297 +0x4b4 fp=0x40008b5f20 sp=0x40008b5e70 pc=0x5cfad4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x400057aa80, 0x1a) pkg/sentry/kernel/task_run.go:98 +0x260 fp=0x40008b5fb0 sp=0x40008b5f20 pc=0x5dba60 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1() pkg/sentry/kernel/task_start.go:391 +0x2c fp=0x40008b5fd0 sp=0x40008b5fb0 pc=0x5e7cec runtime.goexit() src/runtime/asm_arm64.s:1197 +0x4 fp=0x40008b5fd0 sp=0x40008b5fd0 pc=0x81834 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 122 pkg/sentry/kernel/task_start.go:391 +0xf8