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authorJing Peng <pj.hades@gmail.com>2022-05-31 11:20:31 -0400
committerMatthew Smith <mgsmith@netgate.com>2022-08-16 19:32:14 +0000
commit5c9f9968de63fa627b4a72b344df36cdc686d18a (patch)
tree3e191980cbe4e3d4f7da3f01709947b81bf5171d /test/scripts
parentb5339c64d1100463058d1719ea23e0af353ce697 (diff)
nat: fix potential out-of-bound worker array index
In several NAT submodules, the number of available ports (0xffff - 1024) may not be divisible by the number of workers, so port_per_thread is determined by integer division, which is the floor of the quotient. Later when a worker index is needed, dividing the port with port_per_thread may yield an out-of-bound array index into the workers array. As an example, assume 2 workers are configured, then port_per_thread will be (0xffff - 1024) / 2, which is 32255. When we compute a worker index with port 0xffff, we get (0xffff - 1024) / 32255, which is 2, but since we only have 2 workers, only 0 and 1 are valid indices. This patch fixes the problem by adding a modulo at the end of the division. Type: fix Signed-off-by: Jing Peng <pj.hades@gmail.com> Change-Id: Ieae3d5faf716410422610484a68222f1c957f3f8
Diffstat (limited to 'test/scripts')
0 files changed, 0 insertions, 0 deletions
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# Copyright (c) 2017 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

#
# VPP API C wrapper extension
#
lib_LTLIBRARIES += libvppapiclient.la
libvppapiclient_la_SOURCES = \
  vpp-api/client/client.c \
  vpp-api/client/libvppapiclient.map

libvppapiclient_la_LIBADD = \
  -lpthread -lm -lrt

libvppapiclient_la_LDFLAGS = \
  -Wl,-L$(top_builddir)/.libs,--whole-archive,-l:libsvm.a,-l:libvppinfra.a,-l:libvlibmemoryclient.a,--no-whole-archive \
  -Wl,--version-script=$(srcdir)/vpp-api/client/libvppapiclient.map,-lrt

libvppapiclient_la_DEPENDENCIES = libvppinfra.la libvlibmemoryclient.la libsvm.la

libvppapiclient_la_CPPFLAGS =

nobase_include_HEADERS += vpp-api/client/vppapiclient.h

#
# Test client
#
if ENABLE_TESTS
noinst_PROGRAMS += vac_test
vac_test_SOURCES = vpp-api/client/test.c
vac_test_LDADD = \
  $(builddir)/libvppapiclient.la \
  -lpthread -lm -lrt
endif

# vi:syntax=automake