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| author | Karthikeyan Periyasamy <periyasa@codeaurora.org> | 2019-07-24 14:46:10 +0530 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2019-07-31 11:00:52 +0200 |
| commit | 52dba8d7d5aba65f818bd27603ae10ebc006ab3b (patch) | |
| tree | 7643050ea2c2a837e2043662ed802cdd42bdd0dc /net | |
| parent | 50508d941c180a105fdba802d5af1abf3d93a625 (diff) | |
| download | linux-52dba8d7d5aba65f818bd27603ae10ebc006ab3b.tar.gz linux-52dba8d7d5aba65f818bd27603ae10ebc006ab3b.tar.bz2 linux-52dba8d7d5aba65f818bd27603ae10ebc006ab3b.zip | |
mac80211: reject zero MAC address in add station
This came up in fuzz testing, and really we don't consider
all-zeroes to be a valid MAC address in most places, so
also reject it here to avoid confusion later on.
Signed-off-by: Karthikeyan Periyasamy <periyasa@codeaurora.org>
Link: https://lore.kernel.org/r/1563959770-21570-1-git-send-email-periyasa@codeaurora.org
[rewrite commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/cfg.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 4d458067d80d..10b99b263c4f 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1543,7 +1543,7 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, if (ether_addr_equal(mac, sdata->vif.addr)) return -EINVAL; - if (is_multicast_ether_addr(mac)) + if (!is_valid_ether_addr(mac)) return -EINVAL; sta = sta_info_alloc(sdata, mac, GFP_KERNEL); |