From: Li Feng <fengli@smartx.com> To: Maxime Coquelin <maxime.coquelin@redhat.com>, Chenbo Xia <chenbo.xia@intel.com>, Lin Li <lilin24@baidu.com>, Jin Yu <jin.yu@intel.com>, Yu Zhang <zhangyu31@baidu.com>, Xun Ni <nixun@baidu.com> Cc: dev@dpdk.org, Li Feng <fengli@smartx.com>, stable@dpdk.org Subject: [dpdk-stable] [PATCH v2] vhost: add sanity check when operating the split ring Date: Thu, 14 Oct 2021 20:40:08 +0800 Message-ID: <20211014124008.3570044-1-fengli@smartx.com> (raw) In-Reply-To: <20210827051241.2448098-1-fengli@smartx.com> The idx in rte_vhost_set_last_inflight_io_split is from the frontend driver, check if it's in the virtqueue range. Fixes: bb0c2de9602b ("vhost: add APIs to operate inflight ring") Cc: stable@dpdk.org Signed-off-by: Li Feng <fengli@smartx.com> --- lib/vhost/vhost.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/vhost/vhost.c b/lib/vhost/vhost.c index 9540522dac..3b674ac320 100644 --- a/lib/vhost/vhost.c +++ b/lib/vhost/vhost.c @@ -1226,6 +1226,9 @@ rte_vhost_set_last_inflight_io_split(int vid, uint16_t vring_idx, if (unlikely(!vq->inflight_split)) return -1; + if (unlikely(idx >= vq->size)) + return -1; + vq->inflight_split->last_inflight_io = idx; return 0; } -- 2.31.1
next parent reply other threads:[~2021-10-14 12:40 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <20210827051241.2448098-1-fengli@smartx.com> 2021-10-14 12:40 ` Li Feng [this message] 2021-10-15 8:51 ` [dpdk-stable] [dpdk-dev] " Maxime Coquelin 2021-10-15 9:25 ` Li Feng 2021-10-21 12:32 ` Maxime Coquelin
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