[PATCH ath-next 0/6] wifi: ath12k: fix monitor RX buffer lifecycle issues

Kang Yang kang.yang at oss.qualcomm.com
Tue Sep 15 23:03:19 PDT 2026


This series fixes several monitor RX buffer management bugs in the
monitor destination path.

The fixes address leaked skb buffers, stale monitor descriptor state,
object lifetime issues, and incorrect DMA unmap handling observed in
various error and corner cases.

Kang Yang (6):
  wifi: ath12k: fix skb leak on paddr mismatch in wifi7 mon RX pop
  wifi: ath12k: free pending MSDUs on duplicate mon link descriptor
  wifi: ath12k: fix stale tail_msdu pointer returned from mpdu_pop
  wifi: ath12k: place dp_mon_mpdu on stack in mon dst reap loop
  wifi: ath12k: fix skb leak on monitor PPDU ID wraparound
  wifi: ath12k: avoid double DMA unmap of held monitor RX buffers

 drivers/net/wireless/ath/ath12k/dp.c          |  9 +++----
 drivers/net/wireless/ath/ath12k/dp_mon.c      | 15 ++++++------
 drivers/net/wireless/ath/ath12k/dp_mon.h      |  2 +-
 .../net/wireless/ath/ath12k/wifi7/dp_mon.c    | 24 +++++++++----------
 4 files changed, 24 insertions(+), 26 deletions(-)


base-commit: c3bace8584ca707e34ba837f65c2e9d566af4c2c
-- 
2.34.1




More information about the ath12k mailing list