Michał Cłapiński <mclapinski@xxxxxxxxxx> writes: > On Fri, Sep 8, 2023 at 10:34 PM Jonathan Corbet <corbet@xxxxxxx> wrote: >> Given that the two file descriptors are otherwise indistinguishable, >> might a better fix be to make them indistinguishable in this regard as >> well? Is there a good reason why the second fd doesn't become >> exec()able in this scenario and, if not, perhaps that behavior could be >> changed instead? > > It probably could be changed, yes. But I'm worried that would be > broadening the bug that is the exec()ability of memfds. AFAIK no other > fd that is opened as writable can be exec()ed. If maintainers would > prefer this, I could do this. I'm not convinced that perpetuating the behavior and adding an ioctl() workaround would be better than that; it seems to me that consistency would be better. But I don't have any real say in that matter, of course; I'm curious what others think. Thanks, jon
