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-rw-r--r--pkg/sentry/fsimpl/kernfs/kernfs.go8
-rw-r--r--pkg/sentry/fsimpl/proc/task_fds.go3
2 files changed, 5 insertions, 6 deletions
diff --git a/pkg/sentry/fsimpl/kernfs/kernfs.go b/pkg/sentry/fsimpl/kernfs/kernfs.go
index bbee8ccda..07a9dc830 100644
--- a/pkg/sentry/fsimpl/kernfs/kernfs.go
+++ b/pkg/sentry/fsimpl/kernfs/kernfs.go
@@ -425,10 +425,10 @@ type inodeDynamicLookup interface {
// IterDirents is used to iterate over dynamically created entries. It invokes
// cb on each entry in the directory represented by the FileDescription.
// 'offset' is the offset for the entire IterDirents call, which may include
- // results from the caller. 'relOffset' is the offset inside the entries
- // returned by this IterDirents invocation. In other words,
- // 'offset+relOffset+1' is the value that should be set in vfs.Dirent.NextOff,
- // while 'relOffset' is the place where iteration should start from.
+ // results from the caller (e.g. "." and ".."). 'relOffset' is the offset
+ // inside the entries returned by this IterDirents invocation. In other words,
+ // 'offset' should be used to calculate each vfs.Dirent.NextOff as well as
+ // the return value, while 'relOffset' is the place to start iteration.
IterDirents(ctx context.Context, callback vfs.IterDirentsCallback, offset, relOffset int64) (newOffset int64, err error)
}
diff --git a/pkg/sentry/fsimpl/proc/task_fds.go b/pkg/sentry/fsimpl/proc/task_fds.go
index 7debdb07a..fea29e5f0 100644
--- a/pkg/sentry/fsimpl/proc/task_fds.go
+++ b/pkg/sentry/fsimpl/proc/task_fds.go
@@ -64,7 +64,7 @@ type fdDir struct {
}
// IterDirents implements kernfs.inodeDynamicLookup.
-func (i *fdDir) IterDirents(ctx context.Context, cb vfs.IterDirentsCallback, absOffset, relOffset int64) (int64, error) {
+func (i *fdDir) IterDirents(ctx context.Context, cb vfs.IterDirentsCallback, offset, relOffset int64) (int64, error) {
var fds []int32
i.task.WithMuLocked(func(t *kernel.Task) {
if fdTable := t.FDTable(); fdTable != nil {
@@ -72,7 +72,6 @@ func (i *fdDir) IterDirents(ctx context.Context, cb vfs.IterDirentsCallback, abs
}
})
- offset := absOffset + relOffset
typ := uint8(linux.DT_REG)
if i.produceSymlink {
typ = linux.DT_LNK