From: Rameshkumar Sundaram <rameshkumar.sundaram@oss.qualcomm.com>
To: Willmar Knikker <willmar@met-dubbel-l.nl>, jjohnson@kernel.org
Cc: linux-wireless@vger.kernel.org, ath11k@lists.infradead.org
Subject: Re: [PATCH v2] wifi: ath11k: fix use after free in ath11k_dp_rx_msdu_coalesce.
Date: Wed, 6 May 2026 09:42:00 +0530 [thread overview]
Message-ID: <fe058e9b-4d59-4bf1-9fea-32a3ff256a8f@oss.qualcomm.com> (raw)
In-Reply-To: <20260505171709.547274-1-willmar@met-dubbel-l.nl>
On 5/5/2026 10:47 PM, Willmar Knikker wrote:
> In ath11k_dp_rx_msdu_coalesce the loop uses ->is_continuation after
> the dev_kfree_skb_any. This can cause a use after free kfence.
>
> Use flag for caching is_continuation for use after the
> dev_kfree_skb_any.
>
> Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
> Signed-off-by: Willmar Knikker <willmar@met-dubbel-l.nl>
Reviewed-by: Rameshkumar Sundaram <rameshkumar.sundaram@oss.qualcomm.com>
prev parent reply other threads:[~2026-05-06 4:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-05 17:17 [PATCH v2] wifi: ath11k: fix use after free in ath11k_dp_rx_msdu_coalesce Willmar Knikker
2026-05-05 18:04 ` Jeff Johnson
2026-05-06 4:12 ` Rameshkumar Sundaram [this message]
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