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BUG: KCSAN: data-race in delete_from_page_cache_batch / folio_mapping

write to 0xffffea0004df3ed8 of 8 bytes by task 7305 on cpu 0:
 page_cache_delete_batch mm/filemap.c:308 [inline]
 delete_from_page_cache_batch+0x32a/0x710 mm/filemap.c:334
 truncate_inode_pages_range+0x1bd/0x6a0 mm/truncate.c:359
 truncate_inode_pages+0x24/0x30 mm/truncate.c:439
 swap_inode_boot_loader fs/ext4/ioctl.c:421 [inline]
 __ext4_ioctl fs/ext4/ioctl.c:1437 [inline]
 ext4_ioctl+0x2531/0x2dc0 fs/ext4/ioctl.c:1627
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xcf/0x140 fs/ioctl.c:857
 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

read to 0xffffea0004df3ed8 of 8 bytes by task 7281 on cpu 1:
 folio_mapping+0x92/0x110 mm/util.c:782
 folio_evictable mm/internal.h:162 [inline]
 move_folios_to_lru+0x132/0x690 mm/vmscan.c:1801
 shrink_inactive_list mm/vmscan.c:1917 [inline]
 shrink_list mm/vmscan.c:2155 [inline]
 shrink_lruvec+0xd98/0x17a0 mm/vmscan.c:5681
 shrink_node_memcgs mm/vmscan.c:5867 [inline]
 shrink_node+0xac3/0x15d0 mm/vmscan.c:5902
 shrink_zones mm/vmscan.c:6141 [inline]
 do_try_to_free_pages+0x43d/0xce0 mm/vmscan.c:6203
 try_to_free_mem_cgroup_pages+0x1e2/0x480 mm/vmscan.c:6518
 try_charge_memcg+0x280/0xd20 mm/memcontrol.c:2782
 obj_cgroup_charge_pages+0xbd/0x1c0 mm/memcontrol.c:3301
 __memcg_kmem_charge_page+0x9c/0x170 mm/memcontrol.c:3327
 __alloc_pages+0x1bb/0x340 mm/page_alloc.c:4584
 alloc_pages_mpol+0xb1/0x1d0 mm/mempolicy.c:2133
 alloc_pages+0xe0/0x100 mm/mempolicy.c:2204
 vm_area_alloc_pages mm/vmalloc.c:3063 [inline]
 __vmalloc_area_node mm/vmalloc.c:3139 [inline]
 __vmalloc_node_range+0x6ee/0xec0 mm/vmalloc.c:3320
 kvmalloc_node+0x121/0x170 mm/util.c:642
 kvmalloc include/linux/slab.h:728 [inline]
 xt_alloc_table_info+0x3d/0x80 net/netfilter/x_tables.c:1192
 do_replace net/ipv4/netfilter/ip_tables.c:1122 [inline]
 do_ipt_set_ctl+0x62f/0x1740 net/ipv4/netfilter/ip_tables.c:1627
 nf_setsockopt+0x18d/0x1b0 net/netfilter/nf_sockopt.c:101
 ip_setsockopt+0xe6/0x100 net/ipv4/ip_sockglue.c:1420
 raw_setsockopt+0x101/0x150 net/ipv4/raw.c:834
 sock_common_setsockopt+0x61/0x70 net/core/sock.c:3715
 do_sock_setsockopt net/socket.c:2311 [inline]
 __sys_setsockopt+0x1d4/0x240 net/socket.c:2334
 __do_sys_setsockopt net/socket.c:2343 [inline]
 __se_sys_setsockopt net/socket.c:2340 [inline]
 __x64_sys_setsockopt+0x66/0x80 net/socket.c:2340
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

value changed: 0xffff888108593df0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 7281 Comm: syz-executor.2 Not tainted 6.8.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
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syz-executor.2 (7281) used greatest stack depth: 9560 bytes left