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-rw-r--r--pkg/sentry/fsimpl/gofer/filesystem.go6
1 files changed, 4 insertions, 2 deletions
diff --git a/pkg/sentry/fsimpl/gofer/filesystem.go b/pkg/sentry/fsimpl/gofer/filesystem.go
index 23c8b8ce3..bf58a9def 100644
--- a/pkg/sentry/fsimpl/gofer/filesystem.go
+++ b/pkg/sentry/fsimpl/gofer/filesystem.go
@@ -1696,7 +1696,7 @@ func (fs *filesystem) StatFSAt(ctx context.Context, rp *vfs.ResolvingPath) (linu
if err := d.controlFDLisa.StatFSTo(ctx, &statFS); err != nil {
return linux.Statfs{}, err
}
- if statFS.NameLength > maxFilenameLen {
+ if statFS.NameLength == 0 || statFS.NameLength > maxFilenameLen {
statFS.NameLength = maxFilenameLen
}
return linux.Statfs{
@@ -1705,6 +1705,7 @@ func (fs *filesystem) StatFSAt(ctx context.Context, rp *vfs.ResolvingPath) (linu
// something completely random, use a standard value.
Type: linux.V9FS_MAGIC,
BlockSize: statFS.BlockSize,
+ FragmentSize: statFS.BlockSize,
Blocks: statFS.Blocks,
BlocksFree: statFS.BlocksFree,
BlocksAvailable: statFS.BlocksAvailable,
@@ -1718,7 +1719,7 @@ func (fs *filesystem) StatFSAt(ctx context.Context, rp *vfs.ResolvingPath) (linu
return linux.Statfs{}, err
}
nameLen := uint64(fsstat.NameLength)
- if nameLen > maxFilenameLen {
+ if nameLen == 0 || nameLen > maxFilenameLen {
nameLen = maxFilenameLen
}
return linux.Statfs{
@@ -1727,6 +1728,7 @@ func (fs *filesystem) StatFSAt(ctx context.Context, rp *vfs.ResolvingPath) (linu
// something completely random, use a standard value.
Type: linux.V9FS_MAGIC,
BlockSize: int64(fsstat.BlockSize),
+ FragmentSize: int64(fsstat.BlockSize),
Blocks: fsstat.Blocks,
BlocksFree: fsstat.BlocksFree,
BlocksAvailable: fsstat.BlocksAvailable,