diff options
| author | gVisor bot <gvisor-bot@google.com> | 2020-04-03 02:41:20 +0000 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-04-03 02:41:20 +0000 |
| commit | 2aa08b300235a3b09c3736b4efd6ddd87d8941c5 (patch) | |
| tree | b2c96540660d560906ed63ee55b3133bfd9444d3 | |
| parent | b47ca9ab2fe0594ba11bcaa42af0a333832c7136 (diff) | |
| parent | dd3bc499970c22ebbd270030b4564e6b8e4e929e (diff) | |
Merge release-20200323.0-62-gdd3bc49 (automated)
| -rwxr-xr-x | pkg/sentry/fsimpl/kernfs/filesystem.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/kernfs/filesystem.go b/pkg/sentry/fsimpl/kernfs/filesystem.go index a429fa23d..89f5da3d4 100755 --- a/pkg/sentry/fsimpl/kernfs/filesystem.go +++ b/pkg/sentry/fsimpl/kernfs/filesystem.go @@ -63,6 +63,9 @@ afterSymlink: rp.Advance() return nextVFSD, nil } + if len(name) > linux.NAME_MAX { + return nil, syserror.ENAMETOOLONG + } d.dirMu.Lock() nextVFSD, err := rp.ResolveChild(vfsd, name) if err != nil { @@ -191,6 +194,9 @@ func checkCreateLocked(ctx context.Context, rp *vfs.ResolvingPath, parentVFSD *v if pc == "." || pc == ".." { return "", syserror.EEXIST } + if len(pc) > linux.NAME_MAX { + return "", syserror.ENAMETOOLONG + } childVFSD, err := rp.ResolveChild(parentVFSD, pc) if err != nil { return "", err @@ -433,6 +439,9 @@ afterTrailingSymlink: if pc == "." || pc == ".." { return nil, syserror.EISDIR } + if len(pc) > linux.NAME_MAX { + return nil, syserror.ENAMETOOLONG + } // Determine whether or not we need to create a file. childVFSD, err := rp.ResolveChild(parentVFSD, pc) if err != nil { |