The patch fixes possible unaligned access in ieee80211_wep_encrypt_data function.
Signed-off-by: Ivan Kuten <ivan.kuten@xxxxxxxxxxx>
--- linux-2.6.28-rc3/net/mac80211/wep.c 2008-11-20 00:04:58.000000000 -0500
+++ linux-2.6.86-rc3.new/net/mac80211/wep.c 2008-11-22 00:37:53.000000000 -0500
@@ -123,10 +123,10 @@
{
struct blkcipher_desc desc = { .tfm = tfm };
struct scatterlist sg;
- __le32 *icv;
+ __le32 icv;
- icv = (__le32 *)(data + data_len);
- *icv = cpu_to_le32(~crc32_le(~0, data, data_len));
+ icv = cpu_to_le32(~crc32_le(~0, data, data_len));
+ put_unaligned(icv, (__le32 *)(data + data_len));
crypto_blkcipher_setkey(tfm, rc4key, klen);
sg_init_one(&sg, data, data_len + WEP_ICV_LEN);
---
Best regards,
Ivan
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
