Created attachment 29 [details] 用例部分代码实现已fail点见图中标记 [缺陷描述]： ltp测试时syscalls目录下的clone301用例fail，fail原因为通过clone3创建父子进程时，疑似不支持将flag设置为CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_PIDFD 测试日志： <<<test_start>>> tag=clone301 stime=1639712578 cmdline="clone301" contacts="" analysis=exit <<<test_output>>> incrementing stop tst_buffers.c:55: TINFO: Test is using guarded buffers tst_test.c:1411: TINFO: Timeout per run is 0h 05m 00s clone301.c:164: TPASS: Parent got correct signal SIGCHLD clone301.c:164: TPASS: Parent got correct signal SIGUSR2 clone301.c:164: TPASS: Parent got correct signal SIGCHLD clone301.c:164: TPASS: Parent got correct signal SIGCHLD clone301.c:130: TFAIL: clone3() failed (4): EINVAL (22) Summary: passed 4 failed 1 broken 0 skipped 0 warnings 0 <<<execution_status>>> initiation_status="ok" duration=0 termination_type=exited termination_id=1 corefile=no cutime=0 cstime=0 <<<test_end>>> 系统镜像： http://8.131.87.1/kojifiles/output/an-8-loongarch64-RC1/compose/BaseOS/loongarch64/iso/ 复现环境： 龙芯物理机 复现概率： 必现 内核信息： # uname -r 4.19.190-3.an8.loongarch64 操作系统信息： # cat /etc/anolis-release Anolis OS release 8.4 [root@localhost ~]# cat /etc/os-release NAME="Anolis OS" VERSION="8.4" ID="anolis" ID_LIKE="rhel fedora centos" VERSION_ID="8.4" PLATFORM_ID="platform:an8" PRETTY_NAME="Anolis OS 8.4" ANSI_COLOR="0;31" HOME_URL="https://openanolis.cn/" cpu信息： # lscpu Architecture: loongarch64 Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 4 Socket(s): 1 NUMA node(s): 1 CPU family: Loongson-64bit Model name: Loongson-3A5000LL BogoMIPS: 4600.00 L1d cache: 64K L1i cache: 64K L2 cache: 256K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: cpucfg lam ual fpu lsx lasx complex crypto lvz lbt_x86 lbt_arm lbt_mips 内存信息： # free -h total used free shared buff/cache available Mem: 15Gi 1.3Gi 2.7Gi 18Mi 11Gi 12Gi Swap: 7.9Gi 1.0Mi 7.9Gi [期望结果]： clone301用例pass [实际结果]： clone301用例fail [初步分析]： 测试代码路径：ltp/testcases/kernel/syscalls/clone3/clone301.c 该用例总共创建了5次进程，前4次是成功的，最后1次失败，差别在于使用的flag值不同 static struct tcase { uint64_t flags; int exit_signal; } tcases[] = { {0, SIGCHLD}, {0, SIGUSR2}, {CLONE_FS, SIGCHLD}, {CLONE_NEWPID, SIGCHLD}, {CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_PIDFD, SIGCHLD}, ----第5次使用clone3创建进程时使用的flag值 }; static void run(unsigned int n) { struct tcase *tc = &tcases[n]; int status, clone_pidfd = tc->flags & CLONE_PIDFD; pid_t pid; args->flags = tc->flags; args->pidfd = (uint64_t)(&pidfd); args->child_tid = (uint64_t)(&child_tid); args->parent_tid = (uint64_t)(&parent_tid); args->exit_signal = tc->exit_signal; args->stack = 0; args->stack_size = 0; args->tls = 0; parent_received_signal = 0; SAFE_SIGACTION(tc->exit_signal, &psig_action, NULL); TEST(pid = clone3(args, sizeof(*args))); ---该步骤pid返回值小于0，进程创建失败 if (pid < 0) { tst_res(TFAIL | TTERRNO, "clone3() failed (%d)", n); return; }
Created attachment 37 [details] 报错图片
龙芯3A5000台式机LTP稳定性压力测试fail，为同样问题 报错信息已上传到附件 [root@localhost ltp]# lscpu 架构： loongarch64 字节序： Little Endian CPU: 4 在线 CPU 列表： 0-3 每个核的线程数： 1 每个座的核数： 4 座： 1 NUMA 节点： 1 CPU 系列： Loongson-64bit 型号名称： Loongson-3A5000 BogoMIPS： 5000.00 L1d 缓存： 64K L1i 缓存： 64K L2 缓存： 256K L3 缓存： 16384K NUMA 节点0 CPU： 0-3 标记： cpucfg lam ual fpu lsx lasx complex crypto lvz lbt_x86 lbt_arm lbt_mips 系统镜像： http://8.131.87.1/kojifiles/output/an-8-loongarch64-RC1/compose/BaseOS/loongarch64/iso/ 内核： [root@localhost ~]# uname -r 4.19.190-3.an8.loongarch64 硬件设备： Loongson-3A5000台式机
[测试描述] X86 ltp测试syscalls目录下的clone301用例时，终端显示内核版本因低于5.3而无法继续测试 [测试日志] <<<test_start>>> tag=clone301 stime=1640329853 cmdline="clone301" contacts="" analysis=exit <<<test_output>>> incrementing stop tst_buffers.c:55: TINFO: Test is using guarded buffers tst_test.c:1428: TINFO: Timeout per run is 0h 05m 00s ../../../../include/lapi/clone.h:52: TCONF: Test not supported on kernel version < v5.3 Summary: passed 0 failed 0 broken 0 skipped 1 warnings 0 <<<execution_status>>> initiation_status="ok" duration=0 termination_type=exited termination_id=32 corefile=no cutime=0 cstime=0 <<<test_end>>> [复现步骤]： git clone https://github.com/linux-test-project/ltp.git cd ltp make autotools ./configure make make install /opt/ltp/runltp -f syscalls -s clone301 [内核信息] # uname -r 4.18.0-305.25.1.el8_4.x86_64 [操作系统信息] # cat /etc/os-release NAME="CentOS Linux" VERSION="8" ID="centos" ID_LIKE="rhel fedora" VERSION_ID="8" PLATFORM_ID="platform:el8" PRETTY_NAME="CentOS Linux 8" ANSI_COLOR="0;31" CPE_NAME="cpe:/o:centos:centos:8" HOME_URL="https://centos.org/" BUG_REPORT_URL="https://bugs.centos.org/" CENTOS_MANTISBT_PROJECT="CentOS-8" CENTOS_MANTISBT_PROJECT_VERSION="8" [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: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: GenuineIntel BIOS Vendor ID: Red Hat CPU family: 6 Model: 85 Model name: Intel Xeon Processor (Skylake, IBRS) BIOS Model name: RHEL-8.2.0 PC (Q35 + ICH9, 2009) Stepping: 4 CPU MHz: 2194.838 BogoMIPS: 4389.67 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 4096K L3 cache: 16384K 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 syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology cpuid tsc_known_freq pni pclmulqdq vmx ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch cpuid_fault invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm avx512f avx512dq rdseed adx smap clflushopt clwb avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves arat umip pku ospke md_clear arch_capabilities [内存信息] # free -h total used free shared buff/cache available Mem: 15Gi 672Mi 14Gi 20Mi 711Mi 14Gi Swap: 0B 0B 0B [期望结果]： clone301用例pass [实际结果]： clone301用例fail
Test not supported on kernel version < v5.3，因此，此问题不用关注
resolved as bydesign
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