The branch main has been updated by kp: URL: https://cgit.FreeBSD.org/src/commit/?id=59219dde9a7b5e33cb95e55d4621bd50b3dca37b
commit 59219dde9a7b5e33cb95e55d4621bd50b3dca37b Author: Kristof Provost <[email protected]> AuthorDate: 2022-07-12 12:19:25 +0000 Commit: Kristof Provost <[email protected]> CommitDate: 2022-07-12 12:19:25 +0000 if_ovpn: fix mbuf leak If the link is down or we can't find a peer we do not transmit the packet, but also don't fee it. Remember to m_freem() mbufs we can't transmit. Sponsored by: Rubicon Communications, LLC ("Netgate") --- sys/net/if_ovpn.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/net/if_ovpn.c b/sys/net/if_ovpn.c index 779d51075e3d..0f700a9b43d0 100644 --- a/sys/net/if_ovpn.c +++ b/sys/net/if_ovpn.c @@ -1988,6 +1988,7 @@ ovpn_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst, if (__predict_false(ifp->if_link_state != LINK_STATE_UP)) { OVPN_COUNTER_ADD(sc, lost_data_pkts_out, 1); OVPN_RUNLOCK(sc); + m_freem(m); return (ENETDOWN); } @@ -2005,6 +2006,7 @@ ovpn_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst, /* No destination. */ OVPN_COUNTER_ADD(sc, lost_data_pkts_out, 1); OVPN_RUNLOCK(sc); + m_freem(m); return (ENETDOWN); }
