[PATCH 12/14] userns: On ppc convert current_uid from a kuid before printing.
Serge Hallyn
serge.hallyn at canonical.com
Wed Sep 26 17:56:29 UTC 2012
Quoting Eric W. Biederman (ebiederm at xmission.com):
> From: "Eric W. Biederman" <ebiederm at xmission.com>
>
> Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> Cc: Paul Mackerras <paulus at samba.org>
Acked-by: Serge E. Hallyn <serge.hallyn at ubuntu.com>
> Signed-off-by: "Eric W. Biederman" <ebiederm at xmission.com>
> ---
> arch/powerpc/mm/fault.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
> index 08ffcf5..e5f028b 100644
> --- a/arch/powerpc/mm/fault.c
> +++ b/arch/powerpc/mm/fault.c
> @@ -470,7 +470,7 @@ bad_area_nosemaphore:
> if (is_exec && (error_code & DSISR_PROTFAULT))
> printk_ratelimited(KERN_CRIT "kernel tried to execute NX-protected"
> " page (%lx) - exploit attempt? (uid: %d)\n",
> - address, current_uid());
> + address, from_kuid(&init_user_ns, current_uid()));
>
> return SIGSEGV;
>
> --
> 1.7.5.4
>
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