On Thu, 2025-01-30 at 17:34 +0500, Vitaliy Shevtsov wrote: > It is possible to set both MONITOR_FLAG_COOK_FRAMES and MONITOR_FLAG_ACTIVE > flags simultaneously on the same monitor interface from the userspace. This > causes a sub-interface to be created with no IEEE80211_SDATA_IN_DRIVER bit > set because the monitor interface is in the cooked state and it takes > precedence over all other states. When the interface is then being deleted > the kernel calls WARN_ONCE() from check_sdata_in_driver() because of missing > that bit. > > Fix this by overriding all flags if MONITOR_FLAG_COOK_FRAMES is set because > this flag is incompatible with other monitor flags being set. > That seems wrong, reject it instead. Anyway we should probably remove cooked mode. johannes