================================================================== BUG: KCSAN: data-race in __lru_add_drain_all / folio_add_lru_vma read-write to 0xffff888237c2ac08 of 1 bytes by task 6609 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 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x3b9/0x650 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 read to 0xffff888237c2ac08 of 1 bytes by task 6612 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_cache_disable+0x1f/0x30 mm/swap.c:947 do_pages_move mm/migrate.c:2213 [inline] kernel_move_pages mm/migrate.c:2475 [inline] __do_sys_move_pages mm/migrate.c:2489 [inline] __se_sys_move_pages+0x2f1/0x1610 mm/migrate.c:2484 __x64_sys_move_pages+0x78/0x90 mm/migrate.c:2484 x64_sys_call+0x2c3b/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:280 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x09 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 6612 Comm: syz-executor.3 Not tainted 6.10.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 ==================================================================