Lv Yunlong [off-list ref] wrote:
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 <redacted>
Signed-off-by: Kalle Valo <redacted>
Patch applied to ath-next branch of ath.git, thanks.
8392df5d7e0b ath10k: Fix a use after free in ath10k_htc_send_bundle
--
https://patchwork.kernel.org/project/linux-wireless/patch/20210329120154.8963-1-lyl2019@mail.ustc.edu.cn/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches