On 07/28, [email protected] wrote: > > +bool is_trampfd_vma(struct vm_area_struct *vma) > +{ > + struct file *file = vma->vm_file; > + > + if (!file) > + return false; > + return !strcmp(file->f_path.dentry->d_name.name, trampfd_name);
Hmm, this looks obviously wrong or I am totally confused. A user can
create a file named "[trampfd]", mmap it, and fool trampfd_fault() ?
Why not
return file->f_op == trampfd_fops;
?
> +EXPORT_SYMBOL_GPL(is_trampfd_vma);
why is it exported?
Oleg.
