[缺陷描述]： bcc-tools从0.19.0-5.0.2.al8升级到0.19.0-5.0.4.al8版本后，bcc下多个测试用例失败； bcc-tools版本： # rpm -qa |grep bcc-tools bcc-tools-0.19.0-5.0.4.al8.x86_64 # rpm -qa |grep bcc libccd-2.1-4.el8.x86_64 bcc-tools-0.19.0-5.0.4.al8.x86_64 bcc-0.19.0-5.0.4.al8.x86_64 python3-bcc-0.19.0-5.0.4.al8.x86_64 libccd-devel-2.1-4.el8.x86_64 失败用例： Default Setup... Do nothing test_trace1.py: Fail test_trace2.py: Fail test_trace3.py: Fail test_trace4.py: Fail test_trace_maxactive.py: Fail test_probe_count.py: Pass test_debuginfo.py: Pass test_clang.py: Fail test_histogram.py: Fail test_array.py: Fail test_uprobes.py: Fail test_tracepoint.py: Fail test_perf_event.py: Fail test_utils.py: Pass test_percpu.py: Fail test_dump_func.py: Pass test_disassembler.py: Fail test_tools_smoke.py: Fail test_usdt.py: Fail test_usdt2.py: Fail test_usdt3.py: Fail test_license.py: Fail test_free_bcc_memory.py: Pass test_rlimit.py: Fail 以test_trace2.py为例，报错日志如下： # python test_trace2.py /usr/lib/python3.6/site-packages/bcc/__init__.py:310: DeprecationWarning: not a bytes object: '\n#include <linux/ptrace.h>\nstruct Ptr { u64 ptr; };\nstruct Counters { char unused; __int128 stat1; };\nBPF_HASH(stats, struct Ptr, struct Counters, 1024);\n\nint count_sched(struct pt_regs *ctx) {\n struct Ptr key = {.ptr=PT_REGS_PARM1(ctx)};\n struct Counters zleaf;\n\n memset(&zleaf, 0, sizeof(zleaf));\n struct Counters *val = stats.lookup_or_try_init(&key, &zleaf);\n if (val) {\n val->stat1++;\n }\n return 0;\n}\n' text = _assert_is_bytes(text) In file included from <built-in>:2: In file included from /virtual/include/bcc/bpf.h:12: In file included from include/linux/types.h:6: In file included from include/uapi/linux/types.h:14: In file included from include/uapi/linux/posix_types.h:5: In file included from include/linux/stddef.h:5: In file included from include/uapi/linux/stddef.h:2: In file included from include/linux/compiler_types.h:69: include/linux/compiler-clang.h:51:9: warning: '__HAVE_BUILTIN_BSWAP32__' macro redefined [-Wmacro-redefined] #define __HAVE_BUILTIN_BSWAP32__ ^ <command line>:4:9: note: previous definition is here #define __HAVE_BUILTIN_BSWAP32__ 1 ^ In file included from <built-in>:2: In file included from /virtual/include/bcc/bpf.h:12: In file included from include/linux/types.h:6: In file included from include/uapi/linux/types.h:14: In file included from include/uapi/linux/posix_types.h:5: In file included from include/linux/stddef.h:5: In file included from include/uapi/linux/stddef.h:2: In file included from include/linux/compiler_types.h:69: include/linux/compiler-clang.h:52:9: warning: '__HAVE_BUILTIN_BSWAP64__' macro redefined [-Wmacro-redefined] #define __HAVE_BUILTIN_BSWAP64__ ^ <command line>:5:9: note: previous definition is here #define __HAVE_BUILTIN_BSWAP64__ 1 ^ In file included from <built-in>:2: In file included from /virtual/include/bcc/bpf.h:12: In file included from include/linux/types.h:6: In file included from include/uapi/linux/types.h:14: In file included from include/uapi/linux/posix_types.h:5: In file included from include/linux/stddef.h:5: In file included from include/uapi/linux/stddef.h:2: In file included from include/linux/compiler_types.h:69: include/linux/compiler-clang.h:53:9: warning: '__HAVE_BUILTIN_BSWAP16__' macro redefined [-Wmacro-redefined] #define __HAVE_BUILTIN_BSWAP16__ ^ <command line>:3:9: note: previous definition is here #define __HAVE_BUILTIN_BSWAP16__ 1 ^ 3 warnings generated. Segmentation fault (core dumped) [复现概率]： 必现 [复现环境]： 机器：线下vm 内核： # uname -r 5.10.134-1040.git.0c8b383f7007.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 533Mi 24Gi 2.0Mi 6.1Gi 30Gi Swap: 0B 0B 0B [复现步骤]： git clone -q http://gitlab-sp.alibaba-inc.com/baseos/bcc.git bcc 解压缩 tar -zxvf xxx ls *.patch cd bcc patch -p1 < ../*.patch （逐一打上patch） chmod +x tools/*.py yum -y install bcc-tools cd tests/python python test_clang.py [预期结果]： 用例执行成功 [实际结果]： 用例执行失败