Re: [PATCH ath-next v2 0/2] wifi: ath12k: fix peer delete race in MLO scenario
Rameshkumar Sundaram <[email protected]> Mon, 13 Jul 2026 10:28:14 +0530
| Newsgroups | org.infradead.lists.ath12k,org.kernel.vger.linux-wireless |
|---|---|
| Message-ID | <[email protected]> |
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 <[email protected]> > --- > 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 <[email protected]>