diff options
Diffstat (limited to 'pkg/sentry/fs/copy_up.go')
| -rw-r--r-- | pkg/sentry/fs/copy_up.go | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/pkg/sentry/fs/copy_up.go b/pkg/sentry/fs/copy_up.go index 8e0aa9019..58deb25fc 100644 --- a/pkg/sentry/fs/copy_up.go +++ b/pkg/sentry/fs/copy_up.go @@ -303,17 +303,18 @@ func copyUpLocked(ctx context.Context, parent *Dirent, next *Dirent) error { // Take a reference on the upper Inode (transferred to // next.Inode.overlay.upper) and make new translations use it. - next.Inode.overlay.dataMu.Lock() + overlay := next.Inode.overlay + overlay.dataMu.Lock() childUpperInode.IncRef() - next.Inode.overlay.upper = childUpperInode - next.Inode.overlay.dataMu.Unlock() + overlay.upper = childUpperInode + overlay.dataMu.Unlock() // Invalidate existing translations through the lower Inode. - next.Inode.overlay.mappings.InvalidateAll(memmap.InvalidateOpts{}) + overlay.mappings.InvalidateAll(memmap.InvalidateOpts{}) // Remove existing memory mappings from the lower Inode. if lowerMappable != nil { - for seg := next.Inode.overlay.mappings.FirstSegment(); seg.Ok(); seg = seg.NextSegment() { + for seg := overlay.mappings.FirstSegment(); seg.Ok(); seg = seg.NextSegment() { for m := range seg.Value() { lowerMappable.RemoveMapping(ctx, m.MappingSpace, m.AddrRange, seg.Start(), m.Writable) } |