diff options
| author |   Ole Troan <ot@cisco.com> | 2018-09-28 14:27:24 +0200 |
|---|---|---|
| committer | Ole Troan <ot@cisco.com> | 2018-09-28 14:27:24 +0200 |
| commit | bf4d126b811c6ad00068fd04af652c982dc289c1 (patch) | |
| tree | 94271cc146eb6ec85ffb53b4e15c64dac6c52d69 | |
| parent | f94c63ea392a79b509a7b8263f5a9372a58786f9 (diff) | |
IP ttl check in ip4-input missing for single packet path.
Change-Id: Idc17b2f8794d37cd3242a97395ab56bd633ca575
Signed-off-by: Ole Troan <ot@cisco.com>
| -rw-r--r-- | src/vnet/ip/ip4_input.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/vnet/ip/ip4_input.h b/src/vnet/ip/ip4_input.h index 880896e6430..5df2154b2c3 100644 --- a/src/vnet/ip/ip4_input.h +++ b/src/vnet/ip/ip4_input.h @@ -290,6 +290,9 @@ ip4_input_check_x1 (vlib_main_t * vm, check_ver_opt_csum (ip0, &error0, verify_checksum); + if (PREDICT_FALSE (ip0->ttl < 1)) + error0 = IP4_ERROR_TIME_EXPIRED; + /* Drop fragmentation offset 1 packets. */ error0 = ip4_get_fragment_offset (ip0) == 1 ? IP4_ERROR_FRAGMENT_OFFSET_ONE : error0; |