[缺陷描述]： bpf.test_tc_edt.sh出现概率性失败； 仅x86_64有此问题，aarch64没有问题； nmap-ncat软件版本： # rpm -qa |grep nmap-ncat nmap-ncat-7.70-6.al8.x86_64 失败日志如下： # ./test_tc_edt.sh BTF debug data section '.BTF' rejected: Invalid argument (22)! - Length: 2486 Verifier analysis: magic: 0xeb9f version: 1 flags: 0x0 hdr_len: 24 type_off: 0 type_len: 864 str_off: 864 str_len: 1598 btf_total_size: 2486 [1] PTR (anon) type_id=2 [2] STRUCT __sk_buff size=184 vlen=32 len type_id=3 bits_offset=0 pkt_type type_id=3 bits_offset=32 mark type_id=3 bits_offset=64 queue_mapping type_id=3 bits_offset=96 protocol type_id=3 bits_offset=128 vlan_present type_id=3 bits_offset=160 vlan_tci type_id=3 bits_offset=192 vlan_proto type_id=3 bits_offset=224 priority type_id=3 bits_offset=256 ingress_ifindex type_id=3 bits_offset=288 ifindex type_id=3 bits_offset=320 tc_index type_id=3 bits_offset=352 cb type_id=5 bits_offset=384 hash type_id=3 bits_offset=544 tc_classid type_id=3 bits_offset=576 data type_id=3 bits_offset=608 data_end type_id=3 bits_offset=640 napi_id type_id=3 bits_offset=672 family type_id=3 bits_offset=704 remote_ip4 type_id=3 bits_offset=736 local_ip4 type_id=3 bits_offset=768 remote_ip6 type_id=7 bits_offset=800 local_ip6 type_id=7 bits_offset=928 remote_port type_id=3 bits_offset=1056 local_port type_id=3 bits_offset=1088 data_meta type_id=3 bits_offset=1120 (anon) type_id=8 bits_offset=1152 tstamp type_id=10 bits_offset=1216 wire_len type_id=3 bits_offset=1280 gso_segs type_id=3 bits_offset=1312 (anon) type_id=12 bits_offset=1344 gso_size type_id=3 bits_offset=1408 [3] TYPEDEF __u32 type_id=4 [4] INT unsigned int size=4 bits_offset=0 nr_bits=32 encoding=(none) [5] ARRAY (anon) type_id=3 index_type_id=6 nr_elems=5 [6] INT __ARRAY_SIZE_TYPE__ size=4 bits_offset=0 nr_bits=32 encoding=(none) [7] ARRAY (anon) type_id=3 index_type_id=6 nr_elems=4 [8] UNION (anon) size=8 vlen=1 flow_keys type_id=9 bits_offset=0 [9] PTR (anon) type_id=24 [10] TYPEDEF __u64 type_id=11 [11] INT long long unsigned int size=8 bits_offset=0 nr_bits=64 encoding=(none) [12] UNION (anon) size=8 vlen=1 sk type_id=13 bits_offset=0 [13] PTR (anon) type_id=25 [14] FUNC_PROTO (anon) return=15 args=(1 skb) [15] INT int size=4 bits_offset=0 nr_bits=32 encoding=SIGNED [16] FUNC tc_prog type_id=14 [17] STRUCT bpf_map_def size=20 vlen=5 type type_id=4 bits_offset=0 key_size type_id=4 bits_offset=32 value_size type_id=4 bits_offset=64 max_entries type_id=4 bits_offset=96 map_flags type_id=4 bits_offset=128 [18] VAR flow_map type_id=17 linkage=1 [19] INT char size=1 bits_offset=0 nr_bits=8 encoding=SIGNED [20] ARRAY (anon) type_id=19 index_type_id=6 nr_elems=4 [21] VAR __license type_id=20 linkage=1 [22] DATASEC license size=0 vlen=1 size == 0 elapsed: 20 sec; bps difference: -5.66% FAIL 跑10次用例的失败情况： elapsed: 20 sec; bps difference: -7.00% FAIL elapsed: 20 sec; bps difference: -0.01% PASS elapsed: 20 sec; bps difference: -0.03% PASS elapsed: 20 sec; bps difference: -1.96% FAIL elapsed: 20 sec; bps difference: -6.33% FAIL elapsed: 20 sec; bps difference: -0.97% PASS elapsed: 20 sec; bps difference: -0.01% PASS elapsed: 20 sec; bps difference: -0.01% PASS elapsed: 20 sec; bps difference: -1.26% FAIL elapsed: 20 sec; bps difference: -10.08% FAIL [复现概率]： 概率性失败，10次大概出现3,4次 [复现环境]： 内核： 5.10.134-1001.git.dd0596c292a8.al8.x86_64 # cat /etc/os-release NAME="Alibaba Cloud Linux" VERSION="3 (Soaring Falcon)" ID="alinux" ID_LIKE="rhel fedora centos" VERSION_ID="3" PLATFORM_ID="platform:al8" PRETTY_NAME="Alibaba Cloud Linux 3 (Soaring Falcon)" ANSI_COLOR="0;31" HOME_URL="https://www.aliyun.com/" cpu信息： # lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 2 Core(s) per socket: 4 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel BIOS Vendor ID: Alibaba Cloud CPU family: 6 Model: 85 Model name: Intel(R) Xeon(R) Platinum 8269CY CPU @ 2.50GHz BIOS Model name: pc-i440fx-2.1 Stepping: 7 CPU MHz: 2499.998 BogoMIPS: 4999.99 Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 1024K L3 cache: 36608K NUMA node0 CPU(s): 0-7 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 cpuid tsc_known_freq pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch invpcid_single pti ibrs ibpb stibp fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx avx512f avx512dq rdseed adx smap avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 内存信息： # free -h total used free shared buff/cache available Mem: 31Gi 430Mi 29Gi 2.0Mi 1.0Gi 30Gi Swap: 0B 0B 0B [预期结果]： 用例执行成功 [实际结果]： 概率性失败