Re: [PATCH] wireless: ath10k: Fix a use after free in ath10k_htc_send_bundle

2021-04-13 Thread lyl2019
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" > > 主题: [PATCH] wireless: ath10k: Fix a use after free in ath10k_ht

[PATCH] wireless: ath10k: Fix a use after free in ath10k_htc_send_bundle

2021-03-29 Thread Lv Yunlong
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 bund