diff options
| author | Andrei Vagin <avagin@google.com> | 2020-12-23 11:08:42 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-12-23 11:11:07 -0800 |
| commit | d07915987631f4c3c6345275019a5b5b0cf28dbb (patch) | |
| tree | e4fe185b9f066fbdc59581ae4f3c8b907807b2f2 /pkg/sentry/fs/tmpfs | |
| parent | 6d96a2394d3a4b983b1fa046cf605e22404c4948 (diff) | |
vfs1: don't allow to open socket files
open() has to return ENXIO in this case.
O_PATH isn't supported by vfs1.
PiperOrigin-RevId: 348820478
Diffstat (limited to 'pkg/sentry/fs/tmpfs')
| -rw-r--r-- | pkg/sentry/fs/tmpfs/inode_file.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/fs/tmpfs/inode_file.go b/pkg/sentry/fs/tmpfs/inode_file.go index e04cd608d..ad4aea282 100644 --- a/pkg/sentry/fs/tmpfs/inode_file.go +++ b/pkg/sentry/fs/tmpfs/inode_file.go @@ -148,6 +148,10 @@ func (*fileInodeOperations) Rename(ctx context.Context, inode *fs.Inode, oldPare // GetFile implements fs.InodeOperations.GetFile. func (f *fileInodeOperations) GetFile(ctx context.Context, d *fs.Dirent, flags fs.FileFlags) (*fs.File, error) { + if fs.IsSocket(d.Inode.StableAttr) { + return nil, syserror.ENXIO + } + if flags.Write { fsmetric.TmpfsOpensW.Increment() } else if flags.Read { |