Hello, kernel test robot noticed "sysfs:cannot_create_duplicate_filename" on: commit: b188c57af2b5c17a1e8f71a0358f330446a4f788 ("workqueue: Split alloc_workqueue into internal function and lockdep init") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master in testcase: boot compiler: clang-18 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) +----------------------------------------+------------+------------+ | | 946c57e61d | b188c57af2 | +----------------------------------------+------------+------------+ | sysfs:cannot_create_duplicate_filename | 0 | 12 | +----------------------------------------+------------+------------+ 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/202408161132.7c52d91a-oliver.sang@xxxxxxxxx [ OK ] Started OpenBSD Secure Shell server. [ 116.454031][ T134] parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE] LKP: ttyS0: 211: Kernel tests: Boot OK! LKP: ttyS0: 211: HOSTNAME vm-snb, MAC 52:54:00:12:34:56, kernel 6.11.0-rc1-00003-gb188c57af2b5 1[ 116.612859][ T177] scsi host0: ata_piix [ 116.885461][ T177] sysfs: cannot create duplicate filename '/devices/virtual/workqueue/scsi_tmf_7698144' [ 116.902822][ T177] CPU: 1 UID: 0 PID: 177 Comm: systemd-udevd Not tainted 6.11.0-rc1-00003-gb188c57af2b5 #1 [ 116.919869][ T177] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 116.937535][ T177] Call Trace: [ 116.952146][ T177] <TASK> [ 116.958139][ T177] dump_stack_lvl (kbuild/src/consumer/lib/dump_stack.c:121) [ 116.966343][ T177] sysfs_create_dir_ns (kbuild/src/consumer/fs/sysfs/dir.c:32 kbuild/src/consumer/fs/sysfs/dir.c:63) [ 116.974637][ T177] kobject_add_internal (kbuild/src/consumer/lib/kobject.c:74 kbuild/src/consumer/lib/kobject.c:240) [ 116.984066][ T177] kobject_add (kbuild/src/consumer/lib/kobject.c:430) The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240816/202408161132.7c52d91a-oliver.sang@xxxxxxxxx -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki