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charset="utf-8" hi, Masahiro Yamada, the config for this test is a random config, by this commit, the config has below diff with parent: --- /pkg/linux/i386-randconfig-r032-20230623/gcc-12/ee29e6204c32dce013ac6d1= 078d98dce5607ce86/.config 2024-08-05 12:56:30.744686432 +0800 +++ /pkg/linux/i386-randconfig-r032-20230623/gcc-12/f79dc03fe68c79d38890818= 2e68d702f7f1786bc/.config 2024-08-05 12:56:37.620536644 +0800 @@ -770,14 +770,14 @@ CONFIG_MODULE_UNLOAD=3Dy CONFIG_MODULE_SIG=3Dy # CONFIG_MODULE_SIG_FORCE is not set CONFIG_MODULE_SIG_ALL=3Dy -CONFIG_MODULE_SIG_SHA1=3Dy +# CONFIG_MODULE_SIG_SHA1 is not set # CONFIG_MODULE_SIG_SHA256 is not set # CONFIG_MODULE_SIG_SHA384 is not set # CONFIG_MODULE_SIG_SHA512 is not set -# CONFIG_MODULE_SIG_SHA3_256 is not set +CONFIG_MODULE_SIG_SHA3_256=3Dy # CONFIG_MODULE_SIG_SHA3_384 is not set # CONFIG_MODULE_SIG_SHA3_512 is not set -CONFIG_MODULE_SIG_HASH=3D"sha1" +CONFIG_MODULE_SIG_HASH=3D"sha3-256" CONFIG_MODULE_COMPRESS_NONE=3Dy # CONFIG_MODULE_COMPRESS_GZIP is not set # CONFIG_MODULE_COMPRESS_XZ is not set @@ -6201,7 +6201,6 @@ CONFIG_FIPS_SIGNATURE_SELFTEST_ECDSA=3Dy # CONFIG_MODULE_SIG_KEY=3D"certs/signing_key.pem" CONFIG_MODULE_SIG_KEY_TYPE_RSA=3Dy -# CONFIG_MODULE_SIG_KEY_TYPE_ECDSA is not set CONFIG_SYSTEM_TRUSTED_KEYRING=3Dy CONFIG_SYSTEM_TRUSTED_KEYS=3D"" CONFIG_SYSTEM_EXTRA_CERTIFICATE=3Dy we are not sure if these are expected? we are not sure either if the issue in below report is caused by this config diff. just report what we observed in our tests FYI. Hello, kernel test robot noticed "segfault_at_ip_sp_error" on: commit: f79dc03fe68c79d388908182e68d702f7f1786bc ("kconfig: refactor choice= value calculation") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linus/master de9c2c66ad8e787abec7c9d7eff4f8c3cdd28aed] [test failed on linux-next/master d6dbc9f56c3a70e915625b6f1887882c23dc5c91] in testcase: rcutorture version:=20 with following parameters: runtime: 300s test: default torture_type: srcud compiler: gcc-12 test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G (please refer to attached dmesg/kmsg for entire log/backtrace) +-------------------------+------------+------------+ | | ee29e6204c | f79dc03fe6 | +-------------------------+------------+------------+ | segfault_at_ip_sp_error | 0 | 30 | +-------------------------+------------+------------+ If you fix the issue in a separate patch/commit (i.e. not just a new versio= n of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202408061634.fe6be94-oliver.sang@i= ntel.com [ OK ] Started OpenBSD Secure Shell server. LKP: ttyS0: 263: Kernel tests: Boot OK! LKP: ttyS0: 263: HOSTNAME vm-snb-i386, MAC 52:54:00:12:34:56, kernel 6.10.0= -rc7-00022-gf79dc03fe68c 1 [ 12.271477][ T23] input: ImExPS/2 Generic Explorer Mouse as /devices/p= latform/i8042/serio1/input/input3 LKP: ttyS0: 263: /lkp/lkp/src/bin/run-lkp /lkp/jobs/scheduled/vm-meta-59/r= cutorture-300s-default-srcud-debian-11.1-i386-20220923.cgz-i386-randconfig-= r032-20230623-f79dc03fe68c-20240805-47158-x4nrel-3.yaml [ 15.209351][ T483] depmod[483]: segfault at 0 ip b7abe4f6 sp bfb00aa4 e= rror 4 in libc-2.31.so[8c4f6,b7a4b000+155000] likely on CPU 0 (core 0, sock= et 0) [ 15.210249][ T483] Code: 5b 5e 29 f8 5f c3 66 90 66 90 66 90 66 90 66 90 6= 6 90 66 90 56 57 8b 7c 24 0c 31 c0 89 f9 83 e1 3f 66 0f ef c0 83 f9 30 77 1= 7 0f 6f 0f 66 0f 74 c1 66 0f d7 d0 85 d2 75 73 89 f8 83 e0 f0 eb All code =3D=3D=3D=3D=3D=3D=3D=3D 0: 5b pop %rbx 1: 5e pop %rsi 2: 29 f8 sub %edi,%eax 4: 5f pop %rdi 5: c3 retq =20 6: 66 90 xchg %ax,%ax 8: 66 90 xchg %ax,%ax a: 66 90 xchg %ax,%ax c: 66 90 xchg %ax,%ax e: 66 90 xchg %ax,%ax 10: 66 90 xchg %ax,%ax 12: 66 90 xchg %ax,%ax 14: 56 push %rsi 15: 57 push %rdi 16: 8b 7c 24 0c mov 0xc(%rsp),%edi 1a: 31 c0 xor %eax,%eax 1c: 89 f9 mov %edi,%ecx 1e: 83 e1 3f and $0x3f,%ecx 21: 66 0f ef c0 pxor %xmm0,%xmm0 25: 83 f9 30 cmp $0x30,%ecx 28: 77 17 ja 0x41 2a:* f3 0f 6f 0f movdqu (%rdi),%xmm1 <-- trapping instruction 2e: 66 0f 74 c1 pcmpeqb %xmm1,%xmm0 32: 66 0f d7 d0 pmovmskb %xmm0,%edx 36: 85 d2 test %edx,%edx 38: 75 73 jne 0xad 3a: 89 f8 mov %edi,%eax 3c: 83 e0 f0 and $0xfffffff0,%eax 3f: eb .byte 0xeb Code starting with the faulting instruction =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 0: f3 0f 6f 0f movdqu (%rdi),%xmm1 4: 66 0f 74 c1 pcmpeqb %xmm1,%xmm0 8: 66 0f d7 d0 pmovmskb %xmm0,%edx c: 85 d2 test %edx,%edx e: 75 73 jne 0x83 10: 89 f8 mov %edi,%eax 12: 83 e0 f0 and $0xfffffff0,%eax 15: eb .byte 0xeb [ 15.251290][ T487] torture module --- srcud: disable_onoff_at_boot=3D0= ftrace_dump_at_shutdown=3D0 verbose_sleep_frequency=3D0 verbose_sleep_dura= tion=3D1 random_shuffle=3D0 [ 15.255881][ T487] srcud-torture:--- Start of test: nreaders=3D1 nfakew= riters=3D4 stat_interval=3D60 verbose=3D1 test_no_idle_hz=3D1 shuffle_inter= val=3D3 stutter=3D5 irqreader=3D1 fqs_duration=3D0 fqs_holdoff=3D0 fqs_stut= ter=3D3 test_boost=3D1/0 test_boost_interval=3D7 test_boost_duration=3D4 sh= utdown_secs=3D0 stall_cpu=3D0 stall_cpu_holdoff=3D10 stall_cpu_irqsoff=3D0 = stall_cpu_block=3D0 n_barrier_cbs=3D0 onoff_interval=3D0 onoff_holdoff=3D0 = read_exit_delay=3D13 read_exit_burst=3D16 nocbs_nthreads=3D0 nocbs_toggle= =3D1000 test_nmis=3D0 [ 15.258765][ T487] srcud: Start-test grace-period state: g0 f0x0 [ 15.259257][ T487] rcu_torture_write_types: Testing expedited GPs. [ 15.259713][ T487] rcu_torture_write_types: Testing asynchronous GPs. The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240806/202408061634.fe6be94-olive= r.sang@intel.com --=20 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki