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author | Kristof Provost <kp@FreeBSD.org> | 2022-07-12 12:19:25 +0000 |
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committer | Kristof Provost <kp@FreeBSD.org> | 2022-07-12 12:19:25 +0000 |
commit | 59219dde9a7b5e33cb95e55d4621bd50b3dca37b (patch) | |
tree | 33bf2aa347a3a33b5b70a39d6835346fe7626f8e | |
parent | 7e06f4708cbe8a8ace21d6629cb4b9c8c9340152 (diff) | |
download | src-59219dde9a7b5e33cb95e55d4621bd50b3dca37b.tar.gz src-59219dde9a7b5e33cb95e55d4621bd50b3dca37b.zip |
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")
-rw-r--r-- | sys/net/if_ovpn.c | 2 |
1 files changed, 2 insertions, 0 deletions
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); } |