On Fri, Jul 28, 2017 at 2:52 PM, Deepa Dinamani <deepa.kernel@xxxxxxxxx> wrote:
> struct timespec is not y2038 safe. Replace
> all uses of timespec by y2038 safe struct timespec64.
>
> Even though timespec is used here to represent timeouts,
> replace these with timespec64 so that it facilitates
> in verification by creating a y2038 safe kernel image
> that is free of timespec.
>
> The syscall interfaces themselves are not changed as part
> of the patch. They will be part of a different series.
>
> Signed-off-by: Deepa Dinamani <deepa.kernel@xxxxxxxxx>
> Cc: Paul Moore <paul@xxxxxxxxxxxxxx>
> Cc: Richard Guy Briggs <rgb@xxxxxxxxxx>
> ---
> include/linux/audit.h | 6 +++---
> ipc/mqueue.c | 28 ++++++++++++++--------------
> kernel/audit.h | 2 +-
> kernel/auditsc.c | 12 ++++++------
> 4 files changed, 24 insertions(+), 24 deletions(-)
> diff --git a/kernel/auditsc.c b/kernel/auditsc.c
> index 3260ba2312a9..d0870f8e3656 100644
> --- a/kernel/auditsc.c
> +++ b/kernel/auditsc.c
> @@ -2083,15 +2083,15 @@ void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr)
> *
> */
> void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio,
> - const struct timespec *abs_timeout)
> + const struct timespec64 *abs_timeout)
> {
> struct audit_context *context = current->audit_context;
> - struct timespec *p = &context->mq_sendrecv.abs_timeout;
> + struct timespec64 *p = &context->mq_sendrecv.abs_timeout;
>
> if (abs_timeout)
> - memcpy(p, abs_timeout, sizeof(struct timespec));
> + memcpy(p, abs_timeout, sizeof(struct timespec64));
Since you're changing this line, how about changing it to the following:
memcpy(p, abs_timeout, sizeof(*p));
> else
> - memset(p, 0, sizeof(struct timespec));
> + memset(p, 0, sizeof(struct timespec64));
Same here.
--
paul moore
www.paul-moore.com
