ath9k_htc: fix potential out of bounds access with invalid rxstatus->rs_keyix

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The "rxstatus->rs_keyix" eventually gets passed to test_bit() so we need to
ensure that it is within the bitmap.

drivers/net/wireless/ath/ath9k/common.c:46 ath9k_cmn_rx_accept()
error: passing untrusted data 'rx_stats->rs_keyix' to 'test_bit()'

Fixes: 4ed1a8d4a2 ("ath9k_htc: use ath9k_cmn_rx_accept")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220409061225.GA5447@kili

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Dan Carpenter 2022-04-09 09:12:25 +03:00 • committed by Kalle Valo

parent 45286070e9

commit 2dc509305c

1 changed files with 8 additions and 0 deletions

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drivers/net/wireless/ath/ath9k/htc_drv_txrx.c

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