mt7925_mcu_config_sniffer() hardcodes drop_err = 1, ignoring what
mac80211 actually requested via configure_filter(). FIF_FCSFAIL is
computed there but discarded instead of persisted.
Persist the FCSFAIL bit on the phy in mt7925_configure_filter() and
read it back in mt7925_mcu_config_sniffer() to derive drop_err, so the
firmware sniffer only passes through unfiltered/marginal frames when a
monitor listener actually requested them.
mt7925_mcu_config_sniffer() is only reached from mt7925_change_chanctx(),
which is itself only exercised on a monitor-mode chanctx, so this stays
scoped to monitor mode.
Fixes: c948b5da6bbe ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips")
Tested-by: Devin Wittmayer <[email protected]>
Signed-off-by: Mark Anthony Agarro <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
mt76x02_mac_process_tx_rate() extracts the rate index straight from
the hardware's raw TX-status word with no bounds check for the
HT/HT_GF/VHT cases, and mt76x02_mac_fill_tx_status() ignores its
return value. A stale or corrupt hardware index reaches mac80211's
minstrel_ht rate control, whose per-group rate array is a fixed 10
entries (MCS_GROUP_RATES), causing an out-of-bounds write.
Validate the index in mt76x02_mac_process_tx_rate() (HT: 0-31,
VHT: MCS nibble 0-9) and have mt76x02_mac_fill_tx_status() bail out
cleanly on failure instead of passing an invalid index through.
Fixes: 7c1f88812690 ("mt76: unify send_tx_status and related helpers")
Cc: [email protected]
Tested-by: Devin Wittmayer <[email protected]>
Signed-off-by: Mark Anthony Agarro <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
