loop1: detected capacity change from 0 to 512
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BUG: KCSAN: data-race in drain_all_stock / drain_stock

write to 0xffff888237c2a3c0 of 4 bytes by task 6798 on cpu 0:
 drain_stock+0x48/0xf0 mm/memcontrol.c:2269
 __refill_stock+0x33/0xb0 mm/memcontrol.c:2309
 refill_stock mm/memcontrol.c:2324 [inline]
 try_charge_memcg+0x9ee/0xd20 mm/memcontrol.c:2775
 try_charge mm/memcontrol.c:2833 [inline]
 charge_memcg+0x51/0x200 mm/memcontrol.c:6983
 __mem_cgroup_charge+0x29/0xa0 mm/memcontrol.c:7004
 mem_cgroup_charge include/linux/memcontrol.h:686 [inline]
 __filemap_add_folio+0x48d/0x750 mm/filemap.c:857
 filemap_add_folio+0x70/0x160 mm/filemap.c:939
 __filemap_get_folio+0x31f/0x500 mm/filemap.c:1944
 ext4_da_write_begin+0x2eb/0x550 fs/ext4/inode.c:2881
 generic_perform_write+0x1c9/0x410 mm/filemap.c:3942
 ext4_buffered_write_iter+0x1f6/0x370 fs/ext4/file.c:299
 ext4_file_write_iter+0xd6/0x1200
 call_write_iter include/linux/fs.h:1985 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x4ab/0x7d0 fs/read_write.c:584
 ksys_write+0xeb/0x1a0 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x42/0x50 fs/read_write.c:646
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffff888237c2a3c0 of 4 bytes by task 6808 on cpu 1:
 drain_all_stock+0xd3/0x2d0 mm/memcontrol.c:2354
 try_charge_memcg+0x6c5/0xd20 mm/memcontrol.c:2699
 obj_cgroup_charge_pages+0xab/0x130 mm/memcontrol.c:3105
 __memcg_kmem_charge_page+0x1d5/0x2c0 mm/memcontrol.c:3131
 __alloc_pages+0x1bb/0x340 mm/page_alloc.c:4443
 alloc_pages+0x3e1/0x4e0
 vm_area_alloc_pages mm/vmalloc.c:3063 [inline]
 __vmalloc_area_node mm/vmalloc.c:3139 [inline]
 __vmalloc_node_range+0x6d2/0xea0 mm/vmalloc.c:3320
 kvmalloc_node+0x121/0x160 mm/util.c:632
 kvmalloc include/linux/slab.h:737 [inline]
 xt_alloc_table_info+0x3d/0x80 net/netfilter/x_tables.c:1192
 do_replace net/ipv4/netfilter/arp_tables.c:970 [inline]
 do_arpt_set_ctl+0x615/0x1390 net/ipv4/netfilter/arp_tables.c:1421
 nf_setsockopt+0x18d/0x1b0 net/netfilter/nf_sockopt.c:101
 ip_setsockopt+0xe6/0x100 net/ipv4/ip_sockglue.c:1429
 tcp_setsockopt+0x90/0xa0 net/ipv4/tcp.c:3677
 sock_common_setsockopt+0x61/0x70 net/core/sock.c:3699
 __sys_setsockopt+0x1d7/0x240 net/socket.c:2308
 __do_sys_setsockopt net/socket.c:2319 [inline]
 __se_sys_setsockopt net/socket.c:2316 [inline]
 __x64_sys_setsockopt+0x66/0x80 net/socket.c:2316
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x0000000d -> 0x0000003e

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 6808 Comm: syz-executor.1 Not tainted 6.6.0-rc1-syzkaller-00240-gf0b0d403eabb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
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