diff options
| author | Nicolas Lacasse <nlacasse@google.com> | 2019-04-10 16:35:22 -0700 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2019-04-10 16:36:28 -0700 |
| commit | d93d19fd4eefdfd868919a73c9498e7da7eb9258 (patch) | |
| tree | 79add4ec602cae3a44b551daca485ae3766e6f0b /pkg/sentry/fs/file.go | |
| parent | c8368e477b8f2dedaadacbd6efbb455879c9b1d6 (diff) | |
Fix uses of RootFromContext.
RootFromContext can return a dirent with reference taken, or nil. We must call
DecRef if (and only if) a real dirent is returned.
PiperOrigin-RevId: 242965515
Change-Id: Ie2b7b4cb19ee09b6ccf788b71f3fd7efcdf35a11
Diffstat (limited to 'pkg/sentry/fs/file.go')
| -rw-r--r-- | pkg/sentry/fs/file.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/pkg/sentry/fs/file.go b/pkg/sentry/fs/file.go index d66813103..01c18647c 100644 --- a/pkg/sentry/fs/file.go +++ b/pkg/sentry/fs/file.go @@ -410,7 +410,11 @@ func (f *File) ConfigureMMap(ctx context.Context, opts *memmap.MMapOpts) error { // MappedName implements memmap.MappingIdentity.MappedName. func (f *File) MappedName(ctx context.Context) string { - name, _ := f.Dirent.FullName(RootFromContext(ctx)) + root := RootFromContext(ctx) + if root != nil { + defer root.DecRef() + } + name, _ := f.Dirent.FullName(root) return name } |