The branch main has been updated by kp:
URL:
https://cgit.FreeBSD.org/src/commit/?id=6c77f8f0e0d8e7984c47ea4d234b724ddd56bb84
commit 6c77f8f0e0d8e7984c47ea4d234b724ddd56bb84
Author: Kristof Provost <k...@freebsd.org>
AuthorDate: 2022-06-30 18:11:52 +0000
Commit: Kristof Provost <k...@freebsd.org>
CommitDate: 2022-07-01 08:02:32 +0000
if_ovpn: handle m_pullup() failure
Ensure we correctly handle m_pullup() failing in ovpn_finish_rx().
Reported by: Coverity (CID 1490340)
Sponsored by: Rubicon Communications, LLC ("Netgate")
---
sys/net/if_ovpn.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/sys/net/if_ovpn.c b/sys/net/if_ovpn.c
index 87798c974442..9430d1cebe56 100644
--- a/sys/net/if_ovpn.c
+++ b/sys/net/if_ovpn.c
@@ -1441,6 +1441,10 @@ ovpn_finish_rx(struct ovpn_softc *sc, struct mbuf *m,
/* Ensure we can read the first byte. */
m = m_pullup(m, 1);
+ if (m == NULL) {
+ OVPN_COUNTER_ADD(sc, nomem_data_pkts_in, 1);
+ return;
+ }
/*
* Check for address family, and disregard any control packets (e.g.
