4510 2023-03-14 14:42:48 +0000 [Anck 5.10 nightly][ANCK-5.10-14][Anolis8][x86_64]kernel-selftests：执行net目录下reuseaddr_ports_exhausted.sh用例fail，not ok 3 global.reuseaddr_ports_exhausted_reusable_different_euid 2023-07-25 15:12:20 +0000 1 1 4 Infrastructures Antest 测试用例 unspecified x86_64 Linux CLOSED FIXED P3-Medium S3-normal --- 1 wb-lyf900195 hengqi.hq maqiao.mq meiyou.hr mqaio qingming.su sonice1755 wb-wpp899309 wxm01174540 zgy01497303 zx01468051 oldest_to_newest 15089 0 wb-lyf900195 2023-03-14 14:42:48 +0000 [缺陷描述]： kernel-selftests：执行net目录下reuseaddr_ports_exhausted.sh用例fail，not ok 3 global.reuseaddr_ports_exhausted_reusable_different_euid 测试日志： # ./reuseaddr_ports_exhausted.sh TAP version 13 1..3 # Starting 3 tests from 1 test cases. # RUN global.reuseaddr_ports_exhausted_unreusable ... # OK global.reuseaddr_ports_exhausted_unreusable ok 1 global.reuseaddr_ports_exhausted_unreusable # RUN global.reuseaddr_ports_exhausted_reusable_same_euid ... # OK global.reuseaddr_ports_exhausted_reusable_same_euid ok 2 global.reuseaddr_ports_exhausted_reusable_same_euid # RUN global.reuseaddr_ports_exhausted_reusable_different_euid ... # reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:Expected -1 (-1) == ret (0) # reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:should fail to listen because only one uid reserves the port in TCP_LISTEN. # reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:Expected -1 (-1) == ret (0) # reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:should fail to listen because only one uid reserves the port in TCP_LISTEN. # reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:Expected -1 (-1) == ret (0) # reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:should fail to listen because only one uid reserves the port in TCP_LISTEN. # reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:Expected -1 (-1) == ret (0) # reuseaddr_ports_exhausted.c:153:reuseaddr_ports_exhausted_reusable_different_euid:should fail to listen because only one uid reserves the port in TCP_LISTEN. # reuseaddr_ports_exhausted_reusable_different_euid: Test failed at step #13 # FAIL global.reuseaddr_ports_exhausted_reusable_different_euid not ok 3 global.reuseaddr_ports_exhausted_reusable_different_euid # FAILED: 2 / 3 tests passed. # Totals: pass:2 fail:1 xfail:0 xpass:0 skip:0 error:0 [环境信息]： 复现环境： anck 5.10 x86机器 复现概率： 必现 内核信息： # uname -r 5.10.134-335.git.b9e0e840126f.an8.x86_64 操作系统信息： # cat /etc/os-release NAME="Anolis OS" VERSION="8.8" ID="anolis" ID_LIKE="rhel fedora centos" VERSION_ID="8.8" PLATFORM_ID="platform:an8" PRETTY_NAME="Anolis OS 8.8" 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_capabilities 内存信息： # free -h total used free shared buff/cache available Mem: 15Gi 319Mi 8.5Gi 1.0Mi 6.3Gi 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/net make 执行测试用例 ./reuseaddr_ports_exhausted.sh [期望结果]： 用例pass [实际结果]： 用例fail [原因分析]： 测试代码路径： tools/testing/selftests/net/reuseaddr_ports_exhausted.sh tools/testing/selftests/net/reuseaddr_ports_exhausted.c fail点的函数如下： reuseaddr_ports_exhausted.c TEST(reuseaddr_ports_exhausted_reusable_different_euid) { struct reuse_opts *opts; int i, j, ret, fd[2]; uid_t euid[2] = {10, 20}; for (i = 0; i < 4; i++) { opts = &reusable_opts[i]; for (j = 0; j < 2; j++) { ret = seteuid(euid[j]); ASSERT_EQ(0, ret) TH_LOG("failed to seteuid: %d.", euid[j]); fd[j] = bind_port(_metadata, opts->reuseaddr[j], opts->reuseport[j]); ret = seteuid(0); ASSERT_EQ(0, ret) TH_LOG("failed to seteuid: 0."); } ASSERT_NE(-1, fd[0]) TH_LOG("failed to bind."); EXPECT_NE(-1, fd[1]) TH_LOG("should succeed to bind because one socket can be bound in each euid."); if (fd[1] != -1) { ret = listen(fd[0], 5); ASSERT_EQ(0, ret) TH_LOG("failed to listen."); ret = listen(fd[1], 5); EXPECT_EQ(-1, ret) TH_LOG("should fail to listen because only one uid reserves the port in TCP_LISTEN."); ---用例在此fail } 1. 之前一直都是pass的，使用昨晚9:38编译的内核测试开始fail 2. 在2台环境上测试都fail，应该不是环境问题 3. 内核昨天合入了3个commit，可能与此相关，请参考 https://gitee.com/anolis/cloud-kernel/pulls/1444 https://gitee.com/anolis/cloud-kernel/pulls/1440 https://gitee.com/anolis/cloud-kernel/pulls/1402/ 15096 1 zgy01497303 2023-03-14 15:20:08 +0000 *** Bug 4512 has been marked as a duplicate of this bug. *** 15111 2 wb-wpp899309 2023-03-14 17:48:01 +0000 alinux3 x86和aarch64 kernel-selftests下net.reuseaddr_ports_exhausted.sh今日nightly首次出现同样的失败； 内核：5.10.134-862.git.b9e0e840126f.al8.x86_64 # cat /etc/o cat: /etc/o: No such file or directory [root@VM20200706-58 tone]# 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/" 15195 3 hengqi.hq 2023-03-15 19:08:26 +0000 PR: https://gitee.com/anolis/cloud-kernel/pulls/1475 15198 4 wb-lyf900195 2023-03-16 09:50:33 +0000 最新nightly验证，用例pass，问题解决，bug关闭 # uname -r 5.10.134-337.git.8f3d075c5f6a.an8.x86_64 # ./reuseaddr_ports_exhausted.sh TAP version 13 1..3 # Starting 3 tests from 1 test cases. # RUN global.reuseaddr_ports_exhausted_unreusable ... # OK global.reuseaddr_ports_exhausted_unreusable ok 1 global.reuseaddr_ports_exhausted_unreusable # RUN global.reuseaddr_ports_exhausted_reusable_same_euid ... # OK global.reuseaddr_ports_exhausted_reusable_same_euid ok 2 global.reuseaddr_ports_exhausted_reusable_same_euid # RUN global.reuseaddr_ports_exhausted_reusable_different_euid ... # OK global.reuseaddr_ports_exhausted_reusable_different_euid ok 3 global.reuseaddr_ports_exhausted_reusable_different_euid # PASSED: 3 / 3 tests passed. # Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0 tests done