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nl80211: Check nla_parse_nested() result

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This recently added instance did not verify that parsing of nested
attributes succeeded.

Fixes: 15bf093b5b ("hostapd: Fetch multiple radios information from the driver")
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
This commit is contained in:
Jouni Malinen 2024-09-06 00:53:30 +03:00 • committed by Jouni Malinen
parent ba6b3dc78e
commit 2d92cae655
1 changed files with 3 additions and 4 deletions
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7
src/drivers/driver_nl80211_capa.c
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@ -2754,10 +2754,9 @@ static int phy_multi_hw_info_parse(struct hostapd_multi_hw_info *hw_info,
hw_info->hw_idx = nla_get_u32(radio_attr);
return NL_OK;
case NL80211_WIPHY_RADIO_ATTR_FREQ_RANGE:
nla_parse_nested(tb_freq, NL80211_WIPHY_RADIO_FREQ_ATTR_MAX,
radio_attr, NULL);
if (!tb_freq[NL80211_WIPHY_RADIO_FREQ_ATTR_START] ||
if (nla_parse_nested(tb_freq, NL80211_WIPHY_RADIO_FREQ_ATTR_MAX,
radio_attr, NULL) ||
!tb_freq[NL80211_WIPHY_RADIO_FREQ_ATTR_START] ||
!tb_freq[NL80211_WIPHY_RADIO_FREQ_ATTR_END])
return NL_STOP;