Hello, kernel test robot noticed "kernel-selftests.proc.proc-empty-vm.fail" on: commit: 8b47933544a68a62a9c4e35f8d8a6d2a2c935823 ("proc/ksm: add ksm stats to /proc/pid/smaps") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linus/master 0bb80ecc33a8fb5a682236443c1e740d5c917d1d] [test failed on linux-next/master 7bc675554773f09d88101bf1ccfc8537dc7c0be9] in testcase: kernel-selftests version: kernel-selftests-x86_64-60acb023-1_20230329 with following parameters: group: group-02 compiler: gcc-12 test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 32G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <oliver.sang@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-lkp/202309121427.f3542933-oliver.sang@xxxxxxxxx # selftests: proc: proc-empty-vm # proc-empty-vm: proc-empty-vm.c:292: test_proc_pid_smaps_rollup: Assertion `rv == sizeof(g_smaps_rollup) - 1' failed. # Aborted not ok 5 selftests: proc: proc-empty-vm # exit=134 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20230912/202309121427.f3542933-oliver.sang@xxxxxxxxx -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki