EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. ================================================================== BUG: KCSAN: data-race in __lru_add_drain_all / folio_add_lru_vma read-write to 0xffff888237c2ac08 of 1 bytes by task 10482 on cpu 0: folio_batch_add include/linux/pagevec.h:77 [inline] folio_batch_add_and_move mm/swap.c:233 [inline] folio_add_lru mm/swap.c:522 [inline] folio_add_lru_vma+0x74/0x170 mm/swap.c:542 do_anonymous_page mm/memory.c:4511 [inline] do_pte_missing mm/memory.c:3901 [inline] handle_pte_fault mm/memory.c:5380 [inline] __handle_mm_fault mm/memory.c:5523 [inline] handle_mm_fault+0x2411/0x2a80 mm/memory.c:5688 faultin_page mm/gup.c:1290 [inline] __get_user_pages+0x49d/0xf10 mm/gup.c:1589 __get_user_pages_locked mm/gup.c:1857 [inline] get_user_pages_remote+0x1df/0x790 mm/gup.c:2694 get_arg_page+0x189/0x380 fs/exec.c:227 copy_string_kernel+0x119/0x280 fs/exec.c:655 kernel_execve+0x3c5/0x670 fs/exec.c:2045 call_usermodehelper_exec_async+0x19d/0x250 kernel/umh.c:110 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read to 0xffff888237c2ac08 of 1 bytes by task 9663 on cpu 1: folio_batch_count include/linux/pagevec.h:56 [inline] cpu_needs_drain mm/swap.c:800 [inline] __lru_add_drain_all+0x12c/0x410 mm/swap.c:894 lru_add_drain_all+0x10/0x20 mm/swap.c:910 invalidate_bdev+0x47/0x70 block/bdev.c:100 ext4_put_super+0x51b/0x7e0 fs/ext4/super.c:1345 generic_shutdown_super+0xde/0x210 fs/super.c:642 kill_block_super+0x2a/0x70 fs/super.c:1676 ext4_kill_sb+0x44/0x80 fs/ext4/super.c:7301 deactivate_locked_super+0x7d/0x1c0 fs/super.c:473 deactivate_super+0x9f/0xb0 fs/super.c:506 cleanup_mnt+0x268/0x2e0 fs/namespace.c:1267 __cleanup_mnt+0x19/0x20 fs/namespace.c:1274 task_work_run+0x13a/0x1a0 kernel/task_work.c:180 sysca