Commit 143de8d9 authored by Hangyu Hua's avatar Hangyu Hua Committed by David S. Miller
Browse files

tipc: fix a bit overflow in tipc_crypto_key_rcv() 



msg_data_sz return a 32bit value, but size is 16bit. This may lead to a
bit overflow.

Signed-off-by: default avatarHangyu Hua <hbh25y@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bf8e59fd

net/tipc/crypto.c

+1 −1
Original line number Diff line number Diff line
@@ -2276,7 +2276,7 @@ static bool tipc_crypto_key_rcv(struct tipc_crypto *rx, struct tipc_msg *hdr) 
	struct tipc_crypto *tx = tipc_net(rx->net)->crypto_tx;

	struct tipc_aead_key *skey = NULL;

	u16 key_gen = msg_key_gen(hdr);

	u16 size = msg_data_sz(hdr);

	u32 size = msg_data_sz(hdr);

	u8 *data = msg_data(hdr);

	unsigned int keylen;