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-rw-r--r--pkg/sentry/fsimpl/fuse/fusefs.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/fuse/fusefs.go b/pkg/sentry/fsimpl/fuse/fusefs.go
index 3af807a21..204d8d143 100644
--- a/pkg/sentry/fsimpl/fuse/fusefs.go
+++ b/pkg/sentry/fsimpl/fuse/fusefs.go
@@ -129,6 +129,9 @@ func (fsType FilesystemType) GetFilesystem(ctx context.Context, vfsObj *vfs.Virt
return nil, nil, syserror.EINVAL
}
fuseFDGeneric := kernelTask.GetFileVFS2(int32(deviceDescriptor))
+ if fuseFDGeneric == nil {
+ return nil, nil, syserror.EINVAL
+ }
defer fuseFDGeneric.DecRef(ctx)
fuseFD, ok := fuseFDGeneric.Impl().(*DeviceFD)
if !ok {