Greeting, FYI, we noticed the following commit (built with gcc-11): commit: c1022e59f1dc5f52d42fd12c8ced12ca03bd3a86 ("[PATCH v6 2/3] tracing: auto generate event name when create a group of events") url: https://github.com/intel-lab-lkp/linux/commits/Linyu-Yuan/tracing-probes-allow-no-event-name-input-when-create-group/20220621-100118 base: https://git.kernel.org/cgit/linux/kernel/git/rostedt/linux-trace.git for-next patch link: https://lore.kernel.org/lkml/1655776787-18133-3-git-send-email-quic_linyyuan@quicinc.com in testcase: kernel-selftests version: kernel-selftests-x86_64-77b3a84e-1_20220711 with following parameters: group: ftrace ucode: 0xec test-description: The kernel contains a set of "self tests" under the tools/testing/selftests/ directory. These are intended to be small unit tests to exercise individual code paths in the kernel. test-url: https://www.kernel.org/doc/Documentation/kselftest.txt on test machine: 8 threads Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz with 16G memory caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): If you fix the issue, kindly add following tag Reported-by: kernel test robot # [51] Create/delete multiprobe on kprobe event [PASS] # [52] Kprobe event parser error log check [FAIL] <----- which can pass on parent # [53] Kretprobe dynamic event with arguments [PASS] To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests sudo bin/lkp install job.yaml # job file is attached in this email bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run sudo bin/lkp run generated-yaml-file # if come across any failure that blocks the test, # please remove ~/.lkp and /lkp dir to run from a clean state. -- 0-DAY CI Kernel Test Service https://01.org/lkp