total_active_file 12288
total_unevictable 0
oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz3,mems_allowed=0,oom_memcg=/syz3,task_memcg=/syz3,task=syz-executor.3,pid=8468,uid=0
Memory cgroup out of memory: Killed process 8468 (syz-executor.3) total-vm:46432kB, anon-rss:380kB, file-rss:8960kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000
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BUG: KCSAN: data-race in __refill_stock / drain_all_stock

read-write to 0xffff888237d2a3c0 of 4 bytes by task 3197 on cpu 1:
 __refill_stock+0x7f/0xb0 mm/memcontrol.c:2364
 refill_stock mm/memcontrol.c:2375 [inline]
 obj_cgroup_uncharge_pages+0xfb/0x1a0 mm/memcontrol.c:3234
 refill_obj_stock+0x15c/0x1d0 mm/memcontrol.c:3506
 obj_cgroup_uncharge+0xe/0x10 mm/memcontrol.c:3555
 memcg_slab_free_hook mm/slab.h:572 [inline]
 slab_free mm/slub.c:3804 [inline]
 kmem_cache_free+0x110/0x380 mm/slub.c:3831
 __mmdrop+0x24c/0x340 kernel/fork.c:928
 mmdrop_async_fn+0x1c/0x20 kernel/fork.c:937
 process_one_work kernel/workqueue.c:2627 [inline]
 process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2700
 worker_thread+0x525/0x730 kernel/workqueue.c:2781
 kthread+0x1d7/0x210 kernel/kthread.c:388
 ret_from_fork+0x48/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242

read to 0xffff888237d2a3c0 of 4 bytes by task 8468 on cpu 0:
 drain_all_stock+0xd3/0x2d0 mm/memcontrol.c:2405
 try_charge_memcg+0x6c5/0xd30 mm/memcontrol.c:2750
 try_charge mm/memcontrol.c:2884 [inline]
 charge_memcg mm/memcontrol.c:7210 [inline]
 mem_cgroup_swapin_charge_folio+0x107/0x190 mm/memcontrol.c:7295
 __read_swap_cache_async+0x2f6/0x550 mm/swap_state.c:490
 swap_cluster_readahead+0x27c/0x4c0 mm/swap_state.c:655
 swapin_readahead+0xe9/0x7f0 mm/swap_state.c:878
 do_swap_page+0x4a0/0x1670 mm/memory.c:3884
 handle_pte_fault mm/memory.c:5042 [inline]
 __handle_mm_fault mm/memory.c:5180 [inline]
 handle_mm_fault+0xa36/0x2dd0 mm/memory.c:5345
 do_user_addr_fault arch/x86/mm/fault.c:1364 [inline]
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x3ff/0x6c0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570

value changed: 0x00000001 -> 0x00000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 8468 Comm: syz-executor.3 Not tainted 6.7.0-rc5-syzkaller-00230-g3b8a9b2e6809 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
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