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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: hi, Jann Horn, we reported "WARNING:possible_circular_locking_dependency_detected" issue upon v3 of this patch in https://lore.kernel.org/all/202407291014.2ead1e72-oliver.sang@intel.com/ several days ago. at that time, you said that real issue should be something like "BUG filp (Not tainted): Bulk free expected 1 objects but found 2" and you will send a fix. now we noticed this patch in in linux-next/master, but not sure the version. we found there are still similar issues so just send report to you FYI. Hello, kernel test robot noticed "BUG_filp(Not_tainted):Bulk_free_expected#objects_but_found" on: commit: d543c8fb9c4caa95cd2799b9d3b6f6354140f4f4 ("slub: introduce CONFIG_SLUB_RCU_DEBUG") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master [test failed on linux-next/master cd19ac2f903276b820f5d0d89de0c896c27036ed] in testcase: rcutorture version: with following parameters: runtime: 300s test: cpuhotplug torture_type: srcud compiler: gcc-13 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (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 | Closes: https://lore.kernel.org/oe-lkp/202407311019.5ea52390-lkp@intel.com [ 243.911590][ T0] masked ExtINT on CPU#1 [ 244.087218][ T9] smpboot: CPU 1 is now offline [ 244.154988][ T435] smpboot: Booting Node 0 Processor 1 APIC 0x1 [ 244.155553][ T0] masked ExtINT on CPU#1 [ 244.226610][ C1] ============================================================================= [ 244.227574][ C1] BUG filp (Not tainted): Bulk free expected 1 objects but found 2 [ 244.227574][ C1] [ 244.228097][ C1] ----------------------------------------------------------------------------- [ 244.228097][ C1] [ 244.228665][ C1] Slab 0xffffea0005dac500 objects=23 used=23 fp=0x0000000000000000 flags=0x8000000000000040(head|zone=2) [ 244.229241][ C1] CPU: 1 UID: 0 PID: 22 Comm: cpuhp/1 Not tainted 6.10.0-12959-gd543c8fb9c4c #1 [ 244.229725][ C1] Call Trace: [ 244.229909][ C1] [ 244.230069][ C1] dump_stack_lvl (kbuild/src/consumer/lib/dump_stack.c:122) [ 244.230337][ C1] slab_err (kbuild/src/consumer/mm/slub.c:1149) [ 244.230606][ C1] ? check_object (kbuild/src/consumer/mm/slub.c:1293 kbuild/src/consumer/mm/slub.c:1391) [ 244.230925][ C1] free_debug_processing (kbuild/src/consumer/mm/slub.c:3378) The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240731/202407311019.5ea52390-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki