On Tue, Feb 06, 2024 at 08:25:54PM +0100, Oleg Nesterov wrote: > On 02/06, Tycho Andersen wrote: > > > On Tue, Feb 06, 2024 at 07:06:07PM +0100, Oleg Nesterov wrote: > > > Or we can check task->files != NULL rather than PF_EXITING. > > > > > > To me this looks even better, but looks more confusing without a comment. > > > OTOH, imo this needs a comment anyway ;) > > > > I thought about this, but I didn't really understand the null check in > > exit_files(); > > I guess task->files can be NULL at least if it was cloned with > kernel_clone_args->no_files == T Won't this give false positives for vhost workers which do set ->no_files but are user workers? IOW, return -ESRCH even though -EBADF would be correct in this scenario?
