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

From: Kalle Valo <[email-masked]>
Date: Thu, 22 Apr 2021 13:54:33 +0000 (UTC)

Lv Yunlong <[email-masked]> 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 <[email-masked]>
> Signed-off-by: Kalle Valo <[email-masked]>

Patch applied to ath-next branch of ath.git, thanks.

8392df5d7e0b ath10k: Fix a use after free in ath10k_htc_send_bundle

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