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(parent: 4be3b46) | patch
wifi: mt76: mt7996: fix crash on some tx status reports
authorFelix Fietkau <nbd@nbd.name>
Wed, 27 Aug 2025 08:53:47 +0000 (10:53 +0200)
committerFelix Fietkau <nbd@nbd.name>
Wed, 27 Aug 2025 09:27:57 +0000 (11:27 +0200)
commit0300545b8a113e96ee260a7c142be846d391a620
tree1c3daff48a1694160fed120ecb33629c4812e715tree
parent4be3b46ec5190dc79cd38e3750480b2c66a791adcommit | diff
wifi: mt76: mt7996: fix crash on some tx status reports

When a wcid can't be found, link_sta can be stale from a previous batch.
The code currently assumes that if link_sta is set, wcid is also non-zero.
Fix wcid NULL pointer dereference by resetting link_sta when a wcid entry
can't be found.

Fixes: 62da647a2b20 ("wifi: mt76: mt7996: Add MLO support to mt7996_tx_check_aggr()")
Link: https://patch.msgid.link/20250827085352.51636-1-nbd@nbd.name
Signed-off-by: Felix Fietkau <nbd@nbd.name>
drivers/net/wireless/mediatek/mt76/mt7996/mac.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)