From e10cfdaf51fd5662309eda11ff37dfac1d94abdf Mon Sep 17 00:00:00 2001 From: David Lamparter Date: Sat, 8 Sep 2018 20:18:30 +0200 Subject: [PATCH] bfdd: fix garbage "port" string bfd_recv_ipv4() is getting an uninitialized buffer passed in as port, and then checks it without clearing it first. Thus we can end up leaving garbage data in it. Signed-off-by: David Lamparter --- bfdd/bfd_packet.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/bfdd/bfd_packet.c b/bfdd/bfd_packet.c index 4bdfb314e2..8acb9438c5 100644 --- a/bfdd/bfd_packet.c +++ b/bfdd/bfd_packet.c @@ -248,6 +248,8 @@ ssize_t bfd_recv_ipv4(int sd, uint8_t *msgbuf, size_t msgbuflen, uint8_t *ttl, struct iovec iov[1]; uint8_t cmsgbuf[255]; + port[0] = '\0'; + /* Prepare the recvmsg params. */ iov[0].iov_base = msgbuf; iov[0].iov_len = msgbuflen; -- 2.39.5