[PATCH ath-next v2 0/2] wifi: ath12k: fix peer delete race in MLO scenario

Baochen Qiang baochen.qiang at oss.qualcomm.com
Mon Jun 29 00:01:16 PDT 2026


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 at 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
change-id: 20260602-ath12k-mlo-peer-delete-race-74fdaf880017

Best regards,
-- 
Baochen Qiang <baochen.qiang at oss.qualcomm.com>




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