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| author |   Johannes Berg <johannes.berg@intel.com> | 2018-12-15 11:03:22 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2018-12-19 09:40:17 +0100 |
| commit | d350a0f431189517b1af0dbbb605c273231a8966 (patch) | |
| tree | de90deadfe27057b77b99c3d7fe3b4fac0b69f54 /net/wireless | |
| parent | mac80211: fix a kernel panic when TXing after TXQ teardown (diff) | |
| download | linux-dev-d350a0f431189517b1af0dbbb605c273231a8966.tar.xz linux-dev-d350a0f431189517b1af0dbbb605c273231a8966.zip | |
nl80211: fix memory leak if validate_pae_over_nl80211() fails
If validate_pae_over_nl80211() were to fail in nl80211_crypto_settings(),
we might leak the 'connkeys' allocation. Fix this.
Fixes: 64bf3d4bc2b0 ("nl80211: Add CONTROL_PORT_OVER_NL80211 attribute")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/nl80211.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 8d763725498c..2317727d6413 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -8930,8 +8930,10 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) { int r = validate_pae_over_nl80211(rdev, info); - if (r < 0) + if (r < 0) { + kzfree(connkeys); return r; + } ibss.control_port_over_nl80211 = true; } |