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

From: Paul Moore
Date: Mon Jan 16 2017 - 15:38:47 EST


On Mon, Jan 16, 2017 at 1:27 PM, David Miller <davem@xxxxxxxxxxxxx> 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.

David, assuming Richard makes your requested changes, any objection if
I merge this via the audit tree instead of the netdev tree? It's a
bit easier for us from a testing perspective this way ...

>> + if (unlikely(!audit_dummy_context())) {
>> + int i;
>> + unsigned long a[AUDITSC_ARGS];
>
> Please order local variable declarations from longest to shortest line.
>
>> +
>> + for (i=0; i<nargs; i++)
>
> Please put a space around operators such as "=" and "<".
>
>> + 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.
>
> --
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--
paul moore
www.paul-moore.com