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

[Vasanthakumar Thiagarajan]

On 9/16/2026 11:33 AM, Kang Yang wrote:
> 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(-)
> 
> 

Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan at oss.qualcomm.com>