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| author | phk <phk@FreeBSD.org> | 2016-06-28 20:10:30 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2016-06-28 20:10:30 +0000 |
| commit | 8c8129e2bd32aa12f7531eeb6dd4a77fe81b715e (patch) | |
| tree | 782de1ccf2240c883d57f1020802003426c6e1a4 /sbin/natd | |
| parent | a88a58d887c3a07b1e4c9ad3a4eb818bc4534247 (diff) | |
| download | FreeBSD-src-8c8129e2bd32aa12f7531eeb6dd4a77fe81b715e.zip FreeBSD-src-8c8129e2bd32aa12f7531eeb6dd4a77fe81b715e.tar.gz | |
Do not coredump if the packet is too long in the global (non-interface
associated) instance.
The result is that the packet is dropped without an indication
that smaller MTU is advisable, which is not optimal, but better
than a NULL pointer deref.
Approved by: re (glebius)
Diffstat (limited to 'sbin/natd')
| -rw-r--r-- | sbin/natd/natd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sbin/natd/natd.c b/sbin/natd/natd.c index 894e824..aa1628a 100644 --- a/sbin/natd/natd.c +++ b/sbin/natd/natd.c @@ -618,7 +618,7 @@ static void DoGlobal (int fd) if (wrote != bytes) { - if (errno == EMSGSIZE) { + if (errno == EMSGSIZE && mip != NULL) { if (mip->ifMTU != -1) SendNeedFragIcmp (icmpSock, |
