Greeting, FYI, we noticed the following commit (built with gcc-11): commit: 5e1e18b33470f3b7cff87166b39fc068333ec8be ("[PATCH] mm/mprotect: reduce Committed_AS if memory protection is changed to PROT_NONE") url: https://github.com/intel-lab-lkp/linux/commits/liusongtang/mm-mprotect-reduce-Committed_AS-if-memory-protection-is-changed-to-PROT_NONE/20220426-192805 base: https://github.com/hnaz/linux-mm master patch link: https://lore.kernel.org/linux-mm/20220426112705.3323-1-liusongtang@huawei.com in testcase: kvm-unit-tests version: kvm-unit-tests-x86_64-1a4529c-1_20220412 with following parameters: ucode: 0x28 on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790 v3 @ 3.60GHz with 6G 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 SKIP asyncpf (0 tests) PASS emulator (141 tests, 1 skipped) FAIL eventinj PASS hypercall (2 tests) PASS idt_test (4 tests) 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