Re: [PATCH] Add finit_module syscall for Linux

[Kees Cook <keescook at chromium dot org>]

On Tue, Jan 22, 2013 at 7:34 PM, Mike Frysinger <vapier@gentoo.org> wrote:
> On Tuesday 22 January 2013 22:16:38 Joseph S. Myers wrote:
>> On Tue, 22 Jan 2013, Kees Cook wrote:
>> > This adds the new Linux finit_module() syscall.
>>
>> There's no point in adding syscalls to syscalls.list without at least
>> adding a symbol version so the function is actually exported from libc.so.
>> Note that in the kexec_load discussion last May / June, doubts were
>> expressed about whether some existing module-related syscalls really
>> should have had functions in glibc.
>
> the lack of a header file that exports prototypes for these functions seems
> like bad form too (not a new issue to finit_module)

I got the impression those were auto-generated from syscalls.list
(which contains the prototype in an encoded for ("i:isi" in
finit_module's case). And that this generation is what converts the
syscall into return value and errno?

-Kees

--
Kees Cook
Chrome OS Security