================================================================== BUG: KCSAN: data-race in list_lru_count_one / list_lru_isolate_move write to 0xffff888118251850 of 8 bytes by task 21783 on cpu 0: list_lru_isolate_move+0x127/0x160 mm/list_lru.c:180 inode_lru_isolate+0x1bc/0x380 fs/inode.c:777 __list_lru_walk_one+0x110/0x390 mm/list_lru.c:232 list_lru_walk_one+0x84/0xb0 mm/list_lru.c:276 list_lru_shrink_walk include/linux/list_lru.h:195 [inline] prune_icache_sb+0x8a/0xc0 fs/inode.c:795 super_cache_scan+0x20b/0x2c0 fs/super.c:107 do_shrink_slab+0x2b6/0x5a0 mm/vmscan.c:526 shrink_slab_memcg mm/vmscan.c:596 [inline] shrink_slab+0x469/0x540 mm/vmscan.c:675 shrink_node_memcgs mm/vmscan.c:2687 [inline] shrink_node+0x34a/0xfe0 mm/vmscan.c:2791 shrink_zones mm/vmscan.c:2996 [inline] do_try_to_free_pages+0x245/0xb60 mm/vmscan.c:3049 try_to_free_mem_cgroup_pages+0x205/0x4d0 mm/vmscan.c:3371 reclaim_high.constprop.0+0xf7/0x140 mm/memcontrol.c:2232 mem_cgroup_handle_over_high+0x96/0x180 mm/memcontrol.c:2313 tracehook_notify_resume include/linux/tracehook.h:197 [inline] exit_to_usermode_loop+0x20c/0x2c0 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath arch/x86/entry/common.c:278 [inline] do_syscall_64+0x384/0x3a0 arch/x86/entry/common.c:304 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888118251850 of 8 bytes by task 30053 on cpu 1: list_lru_count_one+0xbd/0x130 mm/list_lru.c:193 list_lru_shrink_count include/linux/list_lru.h:123 [inline] super_cache_scan+0x104/0x2c0 fs/super.c:86 do_shrink_slab+0x2b6/0x5a0 mm/vmscan.c:526 shrink_slab_memcg mm/vmscan.c:596 [inline] shrink_slab+0x469/0x540 mm/vmscan.c:675 shrink_node_memcgs mm/vmscan.c:2687 [inline] shrink_node+0x34a/0xfe0 mm/vmscan.c:2791 shrink_zones mm/vmscan.c:2996 [inline] do_try_to_free_pages+0x245/0xb60 mm/vmscan.c:3049 try_to_free_mem_cgroup_pages+0x205/0x4d0 mm/vmscan.c:3371 reclaim_high.constprop.0+0xf7/0x140 mm/memcontrol.c:2232 mem_cgroup_handle_over_high+0x96/0x180 mm/memcontrol.c:2313 tracehook_notify_resume include/linux/tracehook.h:197 [inline] exit_to_usermode_loop+0x20c/0x2c0 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath+0x231/0x250 arch/x86/entry/common.c:278 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:344 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 30053 Comm: syz-executor.5 Not tainted 5.5.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================