Re: [kernel-hardening] Re: [PATCH v17 09/15] seccomp: remove duplicated failure logging

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 2012-04-09 at 14:26 -0500, Will Drewry wrote:
> On Fri, Apr 6, 2012 at 4:14 PM, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> > On Thu, 29 Mar 2012 15:01:54 -0500
> > Will Drewry <wad@xxxxxxxxxxxx> wrote:

> >> -void __audit_seccomp(unsigned long syscall)
> >> +void __audit_seccomp(unsigned long syscall, long signr, int code)
> >>  {
> >>       struct audit_buffer *ab;
> >>
> >>       ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_ANOM_ABEND);
> >> -     audit_log_abend(ab, "seccomp", SIGKILL);
> >> +     audit_log_abend(ab, "seccomp", signr);
> >>       audit_log_format(ab, " syscall=%ld", syscall);
> >> +#ifdef CONFIG_COMPAT
> >> +     audit_log_format(ab, " compat=%d", is_compat_task());
> >> +#endif
> >
> > We don't need the ifdef for compilation reasons now.
> >
> > The question is: should we emit the compat= record on
> > non-compat-capable architectures?  Doing so would be safer - making it
> > conditional invites people to write x86-only usersapce.
> 
> I'd certainly prefer it always being there for exactly that reason.
> 
> Kees, Eric, any preferences?  Unless I hear one, I'll just drop the
> ifdefs in the next revision.

I'd just leave it in unconditionally.  The audit parse libraries would
handle it just fine, but that doesn't mean everyone uses that tool to
parse the text.

-Eric

--
To unsubscribe from this list: send the line "unsubscribe linux-arch" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Kernel]     [Kernel Newbies]     [x86 Platform Driver]     [Netdev]     [Linux Wireless]     [Netfilter]     [Bugtraq]     [Linux Filesystems]     [Yosemite Discussion]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]

  Powered by Linux