================================================================== BUG: KCSAN: data-race in list_lru_count_one / list_lru_isolate_move write to 0xffff8880a6bc8e70 of 8 bytes by task 26002 on cpu 1: 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:560 shrink_slab_memcg mm/vmscan.c:630 [inline] shrink_slab+0x46e/0x540 mm/vmscan.c:709 shrink_node+0x1ad/0xb30 mm/vmscan.c:2813 shrink_zones mm/vmscan.c:3027 [inline] do_try_to_free_pages+0x242/0x940 mm/vmscan.c:3085 try_to_free_mem_cgroup_pages+0x1fd/0x4c0 mm/vmscan.c:3385 reclaim_high.constprop.0+0xf7/0x140 mm/memcontrol.c:2349 mem_cgroup_handle_over_high+0x96/0x180 mm/memcontrol.c:2430 tracehook_notify_resume include/linux/tracehook.h:197 [inline] exit_to_usermode_loop+0x20c/0x2c0 arch/x86/entry/common.c:163 read to 0xffff8880a6bc8e70 of 8 bytes by task 11367 on cpu 0: list_lru_count_one+0xbd/0x130 mm/list_lru.c:193 list_lru_shrink_count include/linux/list_lru.h:123 [inline] super_cache_count+0x11a/0x1b0 fs/super.c:148 do_shrink_slab+0xb7/0x5a0 mm/vmscan.c:478 shrink_slab_memcg mm/vmscan.c:630 [inline] shrink_slab+0x46e/0x540 mm/vmscan.c:709 shrink_node+0x1ad/0xb30 mm/vmscan.c:2813 shrink_zones mm/vmscan.c:3027 [inline] do_try_to_free_pages+0x242/0x940 mm/vmscan.c:3085 try_to_free_mem_cgroup_pages+0x1fd/0x4c0 mm/vmscan.c:3385 reclaim_high.constprop.0+0xf7/0x140 mm/memcontrol.c:2349 mem_cgroup_handle_over_high+0x96/0x180 mm/memcontrol.c:2430 tracehook_notify_resume include/linux/tracehook.h:197 [inline] exit_to_usermode_loop+0x20c/0x2c0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath arch/x86/entry/common.c:274 [inline] do_syscall_64+0x353/0x370 arch/x86/entry/common.c:300 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 11367 Comm: syz-executor.1 Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================