[缺陷描述]: kernel-selftests测试套netfilter目录下nft_concat_range.sh用例fail,ruleset is not matched 测试日志: # selftests: netfilter: nft_concat_range.sh # TEST: reported issues # Add two elements, flush, re-add [ OK ] # net,mac with reload [FAIL] # udp packet to: # 10.0.0.6 # from: # 00:01:00:00:07:d1 # should have matched ruleset: # table inet filter { # handle 42 # counter test { # handle 2 # packets 0 bytes 0 # } # # set test { # handle 3 # type ipv4_addr . ether_addr # flags interval,timeout # elements = { 10.0.0.6/31 . 00:01:00:00:07:d1-00:01:00:00:07:d2, # 10.0.0.9-10.0.0.11 . 00:01:00:00:07:d4-00:01:00:00:07:d6 } # } # # chain input { # handle 1 # type filter hook prerouting priority filter; policy accept; # meta nfproto ipv4 ip daddr . ether saddr @test counter name "test" # handle 4 # } # } # table netdev perf { # handle 43 # counter test { # handle 2 # packets 0 bytes 0 # } # # counter match { # handle 3 # packets 0 bytes 0 # } # # set test { # handle 4 # type ipv4_addr . ether_addr # flags interval # } # # set norange { # handle 5 # type ipv4_addr . ether_addr # } # # set noconcat { # handle 6 # type ipv4_addr # flags interval # } # # chain test { # handle 1 # type filter hook ingress device "veth_a" priority filter; policy accept; # } # } not ok 7 selftests: netfilter: nft_concat_range.sh # exit=1 复现环境: anck 5.10 x86物理机 复现概率: 必现 内核信息: # uname -r 5.10.134-269.git.53f303a6c3fa.an8.x86_64 操作系统信息: # cat /etc/os-release NAME="Anolis OS" VERSION="8.6" ID="anolis" ID_LIKE="rhel fedora centos" VERSION_ID="8.6" PLATFORM_ID="platform:an8" PRETTY_NAME="Anolis OS 8.6" ANSI_COLOR="0;31" HOME_URL="https://openanolis.cn/" cpu信息: # lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 2 Core(s) per socket: 2 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel BIOS Vendor ID: Alibaba Cloud CPU family: 6 Model: 106 Model name: Intel(R) Xeon(R) Platinum 8369B CPU @ 2.70GHz BIOS Model name: pc-i440fx-2.1 Stepping: 6 CPU MHz: 2699.998 BogoMIPS: 5399.99 Hypervisor vendor: KVM Virtualization type: full L1d cache: 48K L1i cache: 32K L2 cache: 1280K L3 cache: 49152K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid tsc_known_freq pni pclmulqdq monitor ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch cpuid_fault invpcid_single ibrs_enhanced fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid avx512f avx512dq rdseed adx smap avx512ifma clflushopt clwb avx512cd sha_ni avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves wbnoinvd arat avx512vbmi pku ospke avx512_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg avx512_vpopcntdq rdpid fsrm arch_capabilitie 内存信息: # free -h total used free shared buff/cache available Mem: 15Gi 355Mi 11Gi 1.0Mi 3.6Gi 14Gi Swap: 0B 0B 0B [复现步骤]: 下载当前内核对应的kernel源码包 rpm -ivh xxx.src.rpm 默认安装到/root下 yum-builddep -y rpmbuild/SPECS/kernel.spec 自动安装前置依赖包,需要yum-utils rpmbuild -bp ./rpmbuild/SPECS/kernel.spec # 这个步骤会打相关的patch, 解压缩tar包,生成BUILD目录 cd rpmbuild/BUILD/kernel-xxx/linux-xxx/ cd /tools/testing/selftests/netfilter make 执行测试用例 ./nft_concat_range.sh [期望结果]: 用例pass [实际结果]: 用例fail
已知问题,是因为测试环境安装了nmap-ncat这个包, 提供了nc命令, 导致测试脚本里send_udp函数行为差异所致,开发建议先卸载环境的nc命令再测试,nc命令有其他用例会使用,需要考虑卸载nc命令对其他用例的影响