Re: [PATCH V2] audit: log 32-bit socketcalls

From: Richard Guy Briggs
Date: Mon Jan 16 2017 - 23:04:10 EST


On 2017-01-16 13:27, David Miller wrote:
> From: Richard Guy Briggs <rgb@xxxxxxxxxx>
> Date: Fri, 13 Jan 2017 04:51:48 -0500
>
> > diff --git a/include/linux/audit.h b/include/linux/audit.h
> > index 9d4443f..43d8003 100644
> > --- a/include/linux/audit.h
> > +++ b/include/linux/audit.h
> > @@ -387,6 +387,18 @@ static inline int audit_socketcall(int nargs, unsigned long *args)
> > return __audit_socketcall(nargs, args);
> > return 0;
> > }
> > +static inline int audit_socketcall_compat(int nargs, u32 *args)
> > +{
>
> Please put an empty line between function definitions.

Ok, should I reformat the rest of the file while I'm at it?

> > + if (unlikely(!audit_dummy_context())) {
> > + int i;
> > + unsigned long a[AUDITSC_ARGS];
>
> Please order local variable declarations from longest to shortest line.

Ok. Is this a recent addition to a style guide or in checkpatch.pl?

> > +
> > + for (i=0; i<nargs; i++)
>
> Please put a space around operators such as "=" and "<".

Oops, my bad...

> > + a[i] = (unsigned long)args[i];
> > + return __audit_socketcall(nargs, a);
> > + }
> > + return 0;
> > +}
> > static inline int audit_sockaddr(int len, void *addr)
>
> Again, empty line between function definitions please.
>
> > @@ -781,14 +782,24 @@ COMPAT_SYSCALL_DEFINE5(recvmmsg, int, fd, struct compat_mmsghdr __user *, mmsg,
> >
> > COMPAT_SYSCALL_DEFINE2(socketcall, int, call, u32 __user *, args)
> > {
> > + unsigned int len;
> > int ret;
> > - u32 a[6];
> > + u32 a[AUDITSC_ARGS];
> > u32 a0, a1;
>
> Longest to shortest line for local variable declarations please.

- RGB

--
Richard Guy Briggs <rgb@xxxxxxxxxx>
Kernel Security Engineering, Base Operating Systems, Red Hat
Remote, Ottawa, Canada
Voice: +1.647.777.2635, Internal: (81) 32635