Messages in this thread | | | Date | Fri, 20 Apr 2012 02:16:02 +0400 | From | Cyrill Gorcunov <> | Subject | Re: + c-r-prctl-add-ability-to-set-new-mm_struct-exe_file-update-after-mm- num_exe_file_vmas-removal.patch added to -mm tree |
| |
On Fri, Apr 20, 2012 at 02:08:43AM +0400, Konstantin Khlebnikov wrote: > >>My question is: unless I missed something "it can't be changed again" > >>is not actually true. A task does PR_SET_MM_EXE_FILE, then it forks > >>the new child. The child can do PR_SET_MM_EXE_FILE again. Is this > >>by design? > > > >Hmm, not sure, Konstantin? > > Why not? It has new pid, why it cannot change exe_file? Actually I don't care too. > But even if we include this bit into MMF_INIT_MASK we cannot forbid exe-file change > in childs tasks which was forked before exe-file change in parent.
OK, I see, thanks.
Cyrill
| |