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| author |   niklas <niklas@openbsd.org> | 1999-05-21 23:15:22 +0000 |
|---|---|---|
| committer | niklas <niklas@openbsd.org> | 1999-05-21 23:15:22 +0000 |
| commit | 46a4de3f220cfc33bff8359108dacef4437d69cf (patch) | |
| tree | e4563aef9a9ebffefe4eccc137ddab12819b309a | |
| parent | typo (diff) | |
| download | wireguard-openbsd-46a4de3f220cfc33bff8359108dacef4437d69cf.tar.xz wireguard-openbsd-46a4de3f220cfc33bff8359108dacef4437d69cf.zip | |
For hard expiration-pressure you need to protect PF_KEY socket
queueing with spltdb()
| -rw-r--r-- | sys/net/pfkey.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/net/pfkey.c b/sys/net/pfkey.c index 42be9bd022b..46a0a4f33fa 100644 --- a/sys/net/pfkey.c +++ b/sys/net/pfkey.c @@ -97,6 +97,7 @@ int pfkey_sendup(struct socket *socket, struct mbuf *packet, int more) { struct mbuf *packet2; + int s; if (more) { if (!(packet2 = m_copym(packet, 0, M_COPYALL, M_DONTWAIT))) @@ -104,10 +105,13 @@ pfkey_sendup(struct socket *socket, struct mbuf *packet, int more) } else packet2 = packet; + s = spltdb(); if (!sbappendaddr(&socket->so_rcv, &pfkey_addr, packet2, NULL)) { m_freem(packet2); - return 0; + splx(s); + return ENOBUFS; } + splx(s); sorwakeup(socket); return 0; |