On Thu, Aug 25, 2011 at 21:39 +0400, Cyrill Gorcunov wrote: > On Thu, Aug 25, 2011 at 09:36:42PM +0400, Vasiliy Kulikov wrote: > ... > > > + > > > + result = ERR_PTR(-EPERM); > > > + if (!ptrace_may_access(task, PTRACE_MODE_READ)); > > > + goto out_no_mm; > > > > Probably > > > > result = ERR_PTR(-ENOENT); > > > > belongs here? > > > > Don't think so, it should point that permission failed > rather no such entry. Or this might break some tools? I mean the place exactly where I've put it to indicate simple_strtoul(), get_task_mm(), or find_exact_vma() error. EPERM for ptrace_may_access() is OK. Thanks, -- Vasiliy Kulikov http://www.openwall.com - bringing security into open computing environments -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html