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| author | Brian Norris <briannorris@chromium.org> | 2020-01-07 01:42:12 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-15 00:29:57 +0300 |
| commit | c31a8186c195116d8f9b8628bb2650c051015613 (patch) | |
| tree | b8b19dd67fed673da89cf4ad20fade534fa5f6bf | |
| parent | c921a74eda87ab4144e897a848ab2ff49f5fc6d5 (diff) | |
| download | linux-c31a8186c195116d8f9b8628bb2650c051015613.tar.xz | |
mwifiex: fix unbalanced locking in mwifiex_process_country_ie()
commit 65b1aae0d9d5962faccc06bdb8e91a2a0b09451c upstream.
We called rcu_read_lock(), so we need to call rcu_read_unlock() before
we return.
Fixes: 3d94a4a8373b ("mwifiex: fix possible heap overflow in mwifiex_process_country_ie()")
Cc: stable@vger.kernel.org
Cc: huangwen <huangwenabc@gmail.com>
Cc: Ganapathi Bhat <ganapathi.bhat@nxp.com>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Acked-by: Ganapathi Bhat <ganapathi.bhat@nxp.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/wireless/mwifiex/sta_ioctl.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index a13c6f1712b3..a1c376c5dab9 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -232,6 +232,7 @@ static int mwifiex_process_country_ie(struct mwifiex_private *priv, if (country_ie_len > (IEEE80211_COUNTRY_STRING_LEN + MWIFIEX_MAX_TRIPLET_802_11D)) { + rcu_read_unlock(); mwifiex_dbg(priv->adapter, ERROR, "11D: country_ie_len overflow!, deauth AP\n"); return -EINVAL; |