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BUG: KCSAN: data-race in delete_from_page_cache_batch / folio_mapping

write to 0xffffea0005323c98 of 8 bytes by task 26799 on cpu 0:
 page_cache_delete_batch mm/filemap.c:313 [inline]
 delete_from_page_cache_batch+0x32d/0x750 mm/filemap.c:339
 truncate_inode_pages_range+0x354/0x800 mm/truncate.c:369
 truncate_inode_pages mm/truncate.c:449 [inline]
 truncate_inode_pages_final+0x58/0x60 mm/truncate.c:484
 ext4_evict_inode+0x174/0xdc0 fs/ext4/inode.c:193
 evict+0x1aa/0x410 fs/inode.c:664
 iput_final fs/inode.c:1788 [inline]
 iput+0x42c/0x5b0 fs/inode.c:1814
 dentry_unlink_inode+0x22a/0x240 fs/dcache.c:401
 __dentry_kill+0x2db/0x4a0 fs/dcache.c:607
 dentry_kill+0x8d/0x1e0
 dput+0x118/0x1f0 fs/dcache.c:913
 __fput+0x46f/0x600 fs/file_table.c:392
 ____fput+0x15/0x20 fs/file_table.c:412
 task_work_run+0x135/0x1a0 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x5ff/0x1670 kernel/exit.c:874
 do_group_exit+0x101/0x150 kernel/exit.c:1024
 get_signal+0xeb7/0xff0 kernel/signal.c:2881
 arch_do_signal_or_restart+0x89/0x2a0 arch/x86/kernel/signal.c:308
 exit_to_user_mode_loop+0x6f/0xe0 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x6c/0xb0 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0x9/0x20 kernel/entry/common.c:310
 irqentry_exit+0x12/0x40 kernel/entry/common.c:413
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570

read to 0xffffea0005323c98 of 8 bytes by task 26969 on cpu 1:
 folio_mapping+0x92/0x110 mm/util.c:775
 folio_evictable mm/internal.h:156 [inline]
 move_folios_to_lru+0x132/0x690 mm/vmscan.c:2501
 shrink_inactive_list mm/vmscan.c:2617 [inline]
 shrink_list mm/vmscan.c:2855 [inline]
 shrink_lruvec+0xd98/0x17a0 mm/vmscan.c:6303
 shrink_node_memcgs mm/vmscan.c:6489 [inline]
 shrink_node+0xab3/0x15c0 mm/vmscan.c:6524
 shrink_zones mm/vmscan.c:6763 [inline]
 do_try_to_free_pages+0x43d/0xce0 mm/vmscan.c:6825
 try_to_free_mem_cgroup_pages+0x1e2/0x480 mm/vmscan.c:7140
 try_charge_memcg+0x280/0xd20 mm/memcontrol.c:2695
 obj_cgroup_charge_pages+0xab/0x130 mm/memcontrol.c:3109
 __memcg_kmem_charge_page+0x1d5/0x2c0 mm/memcontrol.c:3135
 __alloc_pages+0x1bb/0x340 mm/page_alloc.c:4494
 alloc_pages+0x3e1/0x4e0
 vm_area_alloc_pages mm/vmalloc.c:3059 [inline]
 __vmalloc_area_node mm/vmalloc.c:3135 [inline]
 __vmalloc_node_range+0x6d2/0xea0 mm/vmalloc.c:3316
 kvmalloc_node+0x121/0x160 mm/util.c:629
 kvmalloc include/linux/slab.h:720 [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:1467
 tcp_setsockopt+0x90/0xa0 net/ipv4/tcp.c:3697
 sock_common_setsockopt+0x61/0x70 net/core/sock.c:3697
 __sys_setsockopt+0x1c9/0x230 net/socket.c:2263
 __do_sys_setsockopt net/socket.c:2274 [inline]
 __se_sys_setsockopt net/socket.c:2271 [inline]
 __x64_sys_setsockopt+0x66/0x80 net/socket.c:2271
 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: 0xffff8881417774d0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 26969 Comm: syz-executor.3 Not tainted 6.5.0-rc7-syzkaller-g706a74159504 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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