Changes in v3: - Fix slub_kunit tests failures by using new introduced slab_in_kunit_test(), which doesn't increase slab_errors. - Fix the condition of whether to check free pointer and set "ret" correctly. - Collect Reviewed-by tags from Vlastimil Babka. - Link to v2: https://lore.kernel.org/r/20240605-b4-slab-debug-v2-0-c535b9cd361c@xxxxxxxxx Changes in v2: - Change check_object() to do all the checks without skipping, report their specific error findings in check_bytes_and_report() but not print_trailer(). Once all checks were done, if any found an error, print the trailer once from check_object(), suggested by Vlastimil. - Consolidate the two cases with flags & SLAB_RED_ZONE and make the complex conditional expressions a little prettier and add comments about extending right redzone, per Vlastimil. - Add Reviewed-by from Feng Tang. - Link to v1: https://lore.kernel.org/r/20240528-b4-slab-debug-v1-0-8694ef4802df@xxxxxxxxx Hello, This series includes minor fix and cleanup of slub_debug, please see the commits for details. Signed-off-by: Chengming Zhou <chengming.zhou@xxxxxxxxx> --- Chengming Zhou (3): slab: make check_object() more consistent slab: don't put freepointer outside of object if only orig_size slab: delete useless RED_INACTIVE and RED_ACTIVE include/linux/poison.h | 7 ++-- mm/slub.c | 77 ++++++++++++++++++++++++++++---------------- tools/include/linux/poison.h | 7 ++-- 3 files changed, 53 insertions(+), 38 deletions(-) --- base-commit: 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0 change-id: 20240528-b4-slab-debug-1d8179fc996a Best regards, -- Chengming Zhou <chengming.zhou@xxxxxxxxx>