Messages in this thread Patch in this message | | | From | Hangyu Hua <> | Subject | [PATCH net] tipc: fix a bit overflow in tipc_crypto_key_rcv() | Date | Fri, 11 Feb 2022 12:55:10 +0800 |
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msg_data_sz return a 32bit value, but size is 16bit. This may lead to a bit overflow.
Signed-off-by: Hangyu Hua <hbh25y@gmail.com> --- net/tipc/crypto.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c index d293614d5fc6..b5074957e881 100644 --- a/net/tipc/crypto.c +++ b/net/tipc/crypto.c @@ -2287,7 +2287,7 @@ 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; -- 2.25.1
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