[dpdk-dev] [PATCH 1/2] mbuf: check sanity of data_len and pkt_len as well
Olivier MATZ
olivier.matz at 6wind.com
Fri Dec 1 17:37:55 CET 2017
Hi Ilya,
On Thu, Nov 16, 2017 at 06:04:43PM +0400, Ilya Matveychikov wrote:
> Signed-off-by: Ilya V. Matveychikov <matvejchikov at gmail.com>
Please, add a commit log.
> ---
> lib/librte_mbuf/rte_mbuf.c | 23 +++++++++++++++--------
> 1 file changed, 15 insertions(+), 8 deletions(-)
>
> diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c
> index 7543662f7..491685c36 100644
> --- a/lib/librte_mbuf/rte_mbuf.c
> +++ b/lib/librte_mbuf/rte_mbuf.c
> @@ -202,8 +202,7 @@ rte_pktmbuf_pool_create(const char *name, unsigned n,
> void
> rte_mbuf_sanity_check(const struct rte_mbuf *m, int is_header)
> {
> - const struct rte_mbuf *m_seg;
> - unsigned int nb_segs;
> + unsigned int nb_segs, pkt_len;
>
> if (m == NULL)
> rte_panic("mbuf is NULL\n");
> @@ -220,18 +219,26 @@ rte_mbuf_sanity_check(const struct rte_mbuf *m, int is_header)
> if ((cnt == 0) || (cnt == UINT16_MAX))
> rte_panic("bad ref cnt\n");
>
> + /* data_len supposed to be not more than pkt_len */
> + if (m->data_len > m->pkt_len)
> + rte_panic("bad data_len\n");
> +
This check should only be done if is_header == 1.
More information about the dev
mailing list