Greeting, FYI, we noticed the following commit (built with gcc-11): commit: c9dc81ef10c33656280058c29dfaa1d549d1daee ("[PATCH 4/5 v1] mm: enable per numa node rss_stat count") url: https://github.com/intel-lab-lkp/linux/commits/Gang-Li/mm-oom-Introduce-per-numa-node-oom-for-CONSTRAINT_MEMORY_POLICY/20220512-124948 base: https://git.kernel.org/cgit/linux/kernel/git/s390/linux.git features patch link: https://lore.kernel.org/lkml/20220512044634.63586-5-ligang.bdlg@bytedance.com in testcase: will-it-scale version: will-it-scale-x86_64-a34a85c-1_20220502 with following parameters: nr_task: 100% mode: process test: page_fault1 cpufreq_governor: performance ucode: 0x42e test-description: Will It Scale takes a testcase and runs it from 1 through to n parallel copies to see if the testcase will scale. It builds both a process and threads based test in order to see any differences between the two. test-url: https://github.com/antonblanchard/will-it-scale on test machine: 48 threads 2 sockets Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz with 112G 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 [ 160.153480][ T3850] BUG: Bad rss-counter state mm:0000000041b404d2 node:0 val:512 [ 160.163467][ T3850] BUG: Bad rss-counter state mm:0000000041b404d2 node:1 val:-512 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