diff options
Diffstat (limited to 'pkg/sentry/fsimpl/proc')
| -rw-r--r-- | pkg/sentry/fsimpl/proc/task_fds.go | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/pkg/sentry/fsimpl/proc/task_fds.go b/pkg/sentry/fsimpl/proc/task_fds.go index 3f0d78461..94ec2ff69 100644 --- a/pkg/sentry/fsimpl/proc/task_fds.go +++ b/pkg/sentry/fsimpl/proc/task_fds.go @@ -86,14 +86,19 @@ func (i *fdDir) IterDirents(ctx context.Context, cb vfs.IterDirentsCallback, off Name: strconv.FormatUint(uint64(fd), 10), Type: typ, Ino: i.fs.NextIno(), - NextOff: offset + 1, + NextOff: int64(fd) + 3, } if err := cb.Handle(dirent); err != nil { - return offset, err + // Getdents should iterate correctly despite mutation + // of fds, so we return the next fd to serialize plus + // 2 (which accounts for the "." and ".." tracked by + // kernfs) as the offset. + return int64(fd) + 2, err } - offset++ } - return offset, nil + // We serialized them all. Next offset should be higher than last + // serialized fd. + return int64(fds[len(fds)-1]) + 3, nil } // fdDirInode represents the inode for /proc/[pid]/fd directory. |