Hi, maintainers of kerenl. I submitted this patch two weeks ago, but it still hasn't been reviewed. Could you help to review this patch? It will not take you much time.
Thank you very much. > -----原始邮件----- > 发件人: "Lv Yunlong" <lyl2...@mail.ustc.edu.cn> > 发送时间: 2021-03-29 20:01:54 (星期一) > 收件人: kv...@codeaurora.org, da...@davemloft.net, k...@kernel.org > 抄送: ath...@lists.infradead.org, linux-wirel...@vger.kernel.org, > netdev@vger.kernel.org, linux-ker...@vger.kernel.org, "Lv Yunlong" > <lyl2...@mail.ustc.edu.cn> > 主题: [PATCH] wireless: ath10k: Fix a use after free in ath10k_htc_send_bundle > > In ath10k_htc_send_bundle, the bundle_skb could be freed by > dev_kfree_skb_any(bundle_skb). But the bundle_skb is used later > by bundle_skb->len. > > As skb_len = bundle_skb->len, my patch replaces bundle_skb->len to > skb_len after the bundle_skb was freed. > > Fixes: c8334512f3dd1 ("ath10k: add htt TX bundle for sdio") > Signed-off-by: Lv Yunlong <lyl2...@mail.ustc.edu.cn> > --- > drivers/net/wireless/ath/ath10k/htc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/wireless/ath/ath10k/htc.c > b/drivers/net/wireless/ath/ath10k/htc.c > index 0a37be6a7d33..fab398046a3f 100644 > --- a/drivers/net/wireless/ath/ath10k/htc.c > +++ b/drivers/net/wireless/ath/ath10k/htc.c > @@ -669,7 +669,7 @@ static int ath10k_htc_send_bundle(struct ath10k_htc_ep > *ep, > > ath10k_dbg(ar, ATH10K_DBG_HTC, > "bundle tx status %d eid %d req count %d count %d len %d\n", > - ret, ep->eid, skb_queue_len(&ep->tx_req_head), cn, > bundle_skb->len); > + ret, ep->eid, skb_queue_len(&ep->tx_req_head), cn, skb_len); > return ret; > } > > -- > 2.25.1 >