diff options
| author | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-07-19 12:40:22 -0400 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-07-19 12:40:22 -0400 |
| commit | ca79234af3a9e6d942763a58956b337e69bf1340 (patch) | |
| tree | e3b923f28f8e1282a16a0b55d7dce7e2b0a9fa44 /net/mac80211/wpa.c | |
| parent | 858848641fbecd42437e36adc9291b0ce5db379e (diff) | |
| parent | 3bd837bfe431839a378e9d421af05b2e22a6d329 (diff) | |
Merge tag 'v4.19.59' into v4.19-rt
This is the 4.19.59 stable release
Diffstat (limited to 'net/mac80211/wpa.c')
| -rw-r--r-- | net/mac80211/wpa.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index 58d0b258b684..5dd48f0a4b1b 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -1175,7 +1175,7 @@ ieee80211_crypto_aes_gmac_decrypt(struct ieee80211_rx_data *rx) struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); struct ieee80211_key *key = rx->key; struct ieee80211_mmie_16 *mmie; - u8 aad[GMAC_AAD_LEN], mic[GMAC_MIC_LEN], ipn[6], nonce[GMAC_NONCE_LEN]; + u8 aad[GMAC_AAD_LEN], *mic, ipn[6], nonce[GMAC_NONCE_LEN]; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; if (!ieee80211_is_mgmt(hdr->frame_control)) @@ -1206,13 +1206,18 @@ ieee80211_crypto_aes_gmac_decrypt(struct ieee80211_rx_data *rx) memcpy(nonce, hdr->addr2, ETH_ALEN); memcpy(nonce + ETH_ALEN, ipn, 6); + mic = kmalloc(GMAC_MIC_LEN, GFP_ATOMIC); + if (!mic) + return RX_DROP_UNUSABLE; if (ieee80211_aes_gmac(key->u.aes_gmac.tfm, aad, nonce, skb->data + 24, skb->len - 24, mic) < 0 || crypto_memneq(mic, mmie->mic, sizeof(mmie->mic))) { key->u.aes_gmac.icverrors++; + kfree(mic); return RX_DROP_UNUSABLE; } + kfree(mic); } memcpy(key->u.aes_gmac.rx_pn, ipn, 6); |