On 10/15/2013 02:21 PM, Andrew Morton wrote: > - Fishing around in another process's user memory for /proc strings > is unusual and problems might crop up if we missed something. FWIW, it might not be the _most_ common thing, but there is quite a bit of precedent provided by /proc/$pid/cmdline. We can be at least assured that if we follow the same rules as that file we shouldn't be making the situation any worse. The cmdline mm->arg_start is just as user-controlled as the pointers are in this new case. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>