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mac80211_hwsim: fix memory leak in hwsim_new_radio_nl

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When parse_pmsr_capa failed in hwsim_new_radio_nl, the memory resources
applied for by pmsr_capa are not released. Add release processing to the
incorrect path.

Fixes: 92d13386ec ("mac80211_hwsim: add PMSR capability support")
Reported-by: syzbot+904ce6fbb38532d9795c@syzkaller.appspotmail.com
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230515092227.2691437-1-shaozhengchao@huawei.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Zhengchao Shao 2023-05-15 17:22:27 +08:00 committed by Johannes Berg
parent a8938bc881
commit 098abbd48e
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/virtual/mac80211_hwsim.c
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@ -5964,10 +5964,11 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
ret = -ENOMEM;
goto out_free;
}
param.pmsr_capa = pmsr_capa;
ret = parse_pmsr_capa(info->attrs[HWSIM_ATTR_PMSR_SUPPORT], pmsr_capa, info);
if (ret)
goto out_free;
param.pmsr_capa = pmsr_capa;
}
ret = mac80211_hwsim_new_radio(info, &param);