From: Rameshkumar Sundaram <rameshkumar.sundaram@oss.qualcomm.com>
To: Baochen Qiang <baochen.qiang@oss.qualcomm.com>,
Jeff Johnson <jjohnson@kernel.org>
Cc: linux-wireless@vger.kernel.org, ath12k@lists.infradead.org
Subject: Re: [PATCH ath-next v2 0/2] wifi: ath12k: fix peer delete race in MLO scenario
Date: Mon, 13 Jul 2026 10:28:14 +0530 [thread overview]
Message-ID: <bcfe2b9c-3652-424c-bc3b-29aed334250e@oss.qualcomm.com> (raw)
In-Reply-To: <20260629-ath12k-mlo-peer-delete-race-v2-0-362b25590d19@oss.qualcomm.com>
On 6/29/2026 12:31 PM, Baochen Qiang wrote:
> Patch 1 fixes a pre-existing UAF in ath12k_mac_vdev_create()'s
> err_peer_del rollback path.
>
> Patch 2 fixes "Timeout in receiving peer delete response" on MLO
> disconnect, caused by a per-radio shared completion that gets
> clobbered between back-to-back WMI peer_delete sends.
>
> Signed-off-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
> ---
> Changes in v2:
> - rebased on ToT
> - patch 2/2: make ath12k_peer_delete_wait_register()
> and ath12k_peer_delete_wait_unregister() static to peer.c
> - Link to v1: https://lore.kernel.org/r/20260617-ath12k-mlo-peer-delete-race-v1-0-ab3c4f455dfb@oss.qualcomm.com
>
> ---
> Baochen Qiang (2):
> wifi: ath12k: fix dp_link_peer dangling references on AP vdev rollback
> wifi: ath12k: fix MLO peer delete race
>
> drivers/net/wireless/ath/ath12k/core.c | 2 +-
> drivers/net/wireless/ath/ath12k/core.h | 5 +-
> drivers/net/wireless/ath/ath12k/mac.c | 20 +----
> drivers/net/wireless/ath/ath12k/peer.c | 130 ++++++++++++++++++++++++++-------
> drivers/net/wireless/ath/ath12k/peer.h | 14 +++-
> drivers/net/wireless/ath/ath12k/wmi.c | 16 ++--
> 6 files changed, 133 insertions(+), 54 deletions(-)
> ---
> base-commit: 1547a99cd8d8c1ab3e04dbd92b72b3b5f7cb85a9
Reviewed-by: Rameshkumar Sundaram <rameshkumar.sundaram@oss.qualcomm.com>
next prev parent reply other threads:[~2026-07-13 4:58 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-29 7:01 [PATCH ath-next v2 0/2] wifi: ath12k: fix peer delete race in MLO scenario Baochen Qiang
2026-06-29 7:01 ` [PATCH ath-next v2 1/2] wifi: ath12k: fix dp_link_peer dangling references on AP vdev rollback Baochen Qiang
2026-06-29 7:02 ` Baochen Qiang
2026-06-29 7:01 ` [PATCH ath-next v2 2/2] wifi: ath12k: fix MLO peer delete race Baochen Qiang
2026-07-13 4:58 ` Rameshkumar Sundaram [this message]
2026-07-14 18:07 ` [PATCH ath-next v2 0/2] wifi: ath12k: fix peer delete race in MLO scenario Jeff Johnson
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