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Message-ID: <20240925113641.1297102-2-sashal@kernel.org> Date: Wed, 25 Sep 2024 07:23:43 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Dmitry Kandybka <d.kandybka@...il.com>, Toke Høiland-Jørgensen <toke@...e.dk>, Kalle Valo <quic_kvalo@...cinc.com>, Sasha Levin <sashal@...nel.org>, kvalo@...nel.org, linux-wireless@...r.kernel.org Subject: [PATCH AUTOSEL 6.11 002/244] wifi: ath9k: fix possible integer overflow in ath9k_get_et_stats() From: Dmitry Kandybka <d.kandybka@...il.com> [ Upstream commit 3f66f26703093886db81f0610b97a6794511917c ] In 'ath9k_get_et_stats()', promote TX stats counters to 'u64' to avoid possible integer overflow. Compile tested only. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Dmitry Kandybka <d.kandybka@...il.com> Acked-by: Toke Høiland-Jørgensen <toke@...e.dk> Signed-off-by: Kalle Valo <quic_kvalo@...cinc.com> Link: https://patch.msgid.link/20240725111743.14422-1-d.kandybka@gmail.com Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/net/wireless/ath/ath9k/debug.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index d84e3ee7b5d90..886a102e5b025 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -1325,11 +1325,11 @@ void ath9k_get_et_stats(struct ieee80211_hw *hw, struct ath_softc *sc = hw->priv; int i = 0; - data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + + data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all); - data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + + data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all); -- 2.43.0
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