[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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