================================================================== BUG: KCSAN: data-race in list_lru_count_one / list_lru_isolate_move write to 0xffff8880ba03c8f0 of 8 bytes by task 14999 on cpu 1: list_lru_isolate_move+0x122/0x150 mm/list_lru.c:180 inode_lru_isolate+0x1ae/0x360 fs/inode.c:785 __list_lru_walk_one+0x10b/0x390 mm/list_lru.c:232 list_lru_walk_one+0x78/0xa0 mm/list_lru.c:276 list_lru_shrink_walk include/linux/list_lru.h:195 [inline] prune_icache_sb+0x7e/0xb0 fs/inode.c:803 super_cache_scan+0x207/0x2c0 fs/super.c:107 do_shrink_slab+0x2a9/0x5b0 mm/vmscan.c:512 shrink_slab_memcg mm/vmscan.c:582 [inline] shrink_slab+0x477/0x540 mm/vmscan.c:661 shrink_node_memcgs mm/vmscan.c:2673 [inline] shrink_node+0x354/0x1000 mm/vmscan.c:2777 shrink_zones mm/vmscan.c:2980 [inline] do_try_to_free_pages+0x230/0xb30 mm/vmscan.c:3033 try_to_free_mem_cgroup_pages+0x1f7/0x4b0 mm/vmscan.c:3355 reclaim_high.constprop.0+0xee/0x140 mm/memcontrol.c:2232 mem_cgroup_handle_over_high+0x8f/0x180 mm/memcontrol.c:2313 tracehook_notify_resume include/linux/tracehook.h:197 [inline] exit_to_usermode_loop+0x20a/0x2c0 arch/x86/entry/common.c:164 prepare_exit_to_usermode+0x190/0x1c0 arch/x86/entry/common.c:195 swapgs_restore_regs_and_return_to_usermode+0x0/0x40 read to 0xffff8880ba03c8f0 of 8 bytes by task 7827 on cpu 0: list_lru_count_one+0xb4/0x120 mm/list_lru.c:193 list_lru_shrink_count include/linux/list_lru.h:123 [inline] super_cache_count+0xfa/0x190 fs/super.c:148 do_shrink_slab+0xb3/0x5b0 mm/vmscan.c:430 shrink_slab_memcg mm/vmscan.c:582 [inline] shrink_slab+0x477/0x540 mm/vmscan.c:661 shrink_node_memcgs mm/vmscan.c:2673 [inline] shrink_node+0x354/0x1000 mm/vmscan.c:2777 shrink_zones mm/vmscan.c:2980 [inline] do_try_to_free_pages+0x230/0xb30 mm/vmscan.c:3033 try_to_free_mem_cgroup_pages+0x1f7/0x4b0 mm/vmscan.c:3355 reclaim_high.constprop.0+0xee/0x140 mm/memcontrol.c:2232 mem_cgroup_handle_over_high+0x8f/0x180 mm/memcontrol.c:2313 tracehook_notify_resume include/linux/tracehook.h:197 [inline] exit_to_usermode_loop+0x20a/0x2c0 arch/x86/entry/common.c:164 prepare_exit_to_usermode+0x190/0x1c0 arch/x86/entry/common.c:195 swapgs_restore_regs_and_return_to_usermode+0x0/0x40 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 7827 Comm: syz-executor.1 Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================