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BUG: KCSAN: data-race in delete_from_page_cache_batch / folio_mapping

write to 0xffffea000613be18 of 8 bytes by task 22784 on cpu 0:
 page_cache_delete_batch mm/filemap.c:309 [inline]
 delete_from_page_cache_batch+0x2f6/0x6f0 mm/filemap.c:335
 truncate_inode_pages_range+0x1ba/0x780 mm/truncate.c:380
 truncate_inode_pages mm/truncate.c:460 [inline]
 truncate_pagecache mm/truncate.c:769 [inline]
 truncate_setsize+0x9b/0xc0 mm/truncate.c:794
 put_aio_ring_file fs/aio.c:314 [inline]
 aio_free_ring+0x47/0x1e0 fs/aio.c:334
 aio_setup_ring+0x5dc/0x760 fs/aio.c:-1
 ioctx_alloc+0x2c4/0x4e0 fs/aio.c:792
 __do_sys_io_setup fs/aio.c:1399 [inline]
 __se_sys_io_setup+0x6b/0x1b0 fs/aio.c:1382
 __x64_sys_io_setup+0x31/0x40 fs/aio.c:1382
 x64_sys_call+0x2f0e/0x3000 arch/x86/include/generated/asm/syscalls_64.h:207
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffffea000613be18 of 8 bytes by task 22783 on cpu 1:
 folio_mapping+0xa1/0xe0 mm/util.c:702
 folio_evictable mm/internal.h:499 [inline]
 sort_folio mm/vmscan.c:4480 [inline]
 scan_folios mm/vmscan.c:4607 [inline]
 isolate_folios mm/vmscan.c:4703 [inline]
 evict_folios+0xe05/0x3590 mm/vmscan.c:4733
 try_to_shrink_lruvec+0x5b5/0x950 mm/vmscan.c:4908
 lru_gen_shrink_lruvec mm/vmscan.c:5057 [inline]
 shrink_lruvec+0x22e/0x1b50 mm/vmscan.c:5818
 shrink_node_memcgs mm/vmscan.c:6054 [inline]
 shrink_node+0x686/0x2120 mm/vmscan.c:6095
 shrink_zones mm/vmscan.c:6339 [inline]
 do_try_to_free_pages+0x3f6/0xcd0 mm/vmscan.c:6401
 try_to_free_mem_cgroup_pages+0x1ab/0x410 mm/vmscan.c:6729
 try_charge_memcg+0x358/0x9e0 mm/memcontrol.c:2355
 obj_cgroup_charge_pages+0xa6/0x150 mm/memcontrol.c:2798
 __memcg_kmem_charge_page+0x9f/0x170 mm/memcontrol.c:2842
 __alloc_frozen_pages_noprof+0x188/0x360 mm/page_alloc.c:5200
 alloc_pages_mpol+0xb3/0x260 mm/mempolicy.c:2416
 alloc_frozen_pages_noprof mm/mempolicy.c:2487 [inline]
 alloc_pages_noprof+0x90/0x130 mm/mempolicy.c:2507
 vm_area_alloc_pages mm/vmalloc.c:3647 [inline]
 __vmalloc_area_node mm/vmalloc.c:3724 [inline]
 __vmalloc_node_range_noprof+0x7a5/0xed0 mm/vmalloc.c:3897
 __kvmalloc_node_noprof+0x483/0x670 mm/slub.c:7058
 ip_set_alloc+0x24/0x30 net/netfilter/ipset/ip_set_core.c:261
 hash_netiface_create+0x282/0x740 net/netfilter/ipset/ip_set_hash_gen.h:1568
 ip_set_create+0x3c9/0x970 net/netfilter/ipset/ip_set_core.c:1109
 nfnetlink_rcv_msg+0x4c6/0x590 net/netfilter/nfnetlink.c:302
 netlink_rcv_skb+0x120/0x220 net/netlink/af_netlink.c:2552
 nfnetlink_rcv+0x167/0x16c0 net/netfilter/nfnetlink.c:669
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x5bd/0x690 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x58b/0x6b0 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x145/0x180 net/socket.c:742
 ____sys_sendmsg+0x31e/0x4e0 net/socket.c:2630
 ___sys_sendmsg+0x17b/0x1d0 net/socket.c:2684
 __sys_sendmsg net/socket.c:2716 [inline]
 __do_sys_sendmsg net/socket.c:2721 [inline]
 __se_sys_sendmsg net/socket.c:2719 [inline]
 __x64_sys_sendmsg+0xd4/0x160 net/socket.c:2719
 x64_sys_call+0x191e/0x3000 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0xffff88811a598640 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 22783 Comm: syz.5.7239 Tainted: G        W           syzkaller #0 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
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