Author: ae
Date: Fri May 29 10:37:42 2020
New Revision: 361624
URL: https://svnweb.freebsd.org/changeset/base/361624
Log:
Fix O_IP_FLOW_LOOKUP opcode handling.
Do not check table value matching when table lookup has failed.
Reported by: Sergey Lobanov
MFC after: 1 week
Modified:
head/sys/netpfil/ipfw/ip_fw2.c
Modified: head/sys/netpfil/ipfw/ip_fw2.c
==============================================================================
--- head/sys/netpfil/ipfw/ip_fw2.c Fri May 29 10:09:47 2020
(r361623)
+++ head/sys/netpfil/ipfw/ip_fw2.c Fri May 29 10:37:42 2020
(r361624)
@@ -2106,6 +2106,8 @@ do {
\
uint32_t v = 0;
match = ipfw_lookup_table(chain,
cmd->arg1, 0, &args->f_id, &v);
+ if (!match)
+ break;
if (cmdlen ==
F_INSN_SIZE(ipfw_insn_u32))
match = ((ipfw_insn_u32
*)cmd)->d[0] ==
TARG_VAL(chain, v, tag);
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