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BUG: KCSAN: data-race in __filemap_remove_folio / folio_mapping

write to 0xffffea0004d7c218 of 8 bytes by task 2105 on cpu 0:
 page_cache_delete mm/filemap.c:143 [inline]
 __filemap_remove_folio+0x1b7/0x2c0 mm/filemap.c:219
 filemap_remove_folio+0x69/0x210 mm/filemap.c:251
 truncate_inode_folio+0x14c/0x160 mm/truncate.c:223
 shmem_undo_range+0x28a/0xce0 mm/shmem.c:950
 shmem_truncate_range mm/shmem.c:1042 [inline]
 shmem_evict_inode+0x115/0x560 mm/shmem.c:1124
 evict+0x1aa/0x410 fs/inode.c:664
 iput_final fs/inode.c:1744 [inline]
 iput+0x3ef/0x580 fs/inode.c:1770
 dentry_unlink_inode+0x23d/0x250 fs/dcache.c:401
 __dentry_kill+0x293/0x450 fs/dcache.c:607
 dput+0x218/0x430 fs/dcache.c:913
 do_renameat2+0x6fb/0xa20 fs/namei.c:4830
 __do_sys_rename fs/namei.c:4874 [inline]
 __se_sys_rename fs/namei.c:4872 [inline]
 __x64_sys_rename+0x58/0x60 fs/namei.c:4872
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffffea0004d7c218 of 8 bytes by task 7137 on cpu 1:
 folio_mapping+0x92/0x120 mm/util.c:715
 folio_evictable mm/internal.h:121 [inline]
 __pagevec_lru_add_fn+0x81/0x380 mm/swap.c:1043
 __pagevec_lru_add+0x1c3/0x270 mm/swap.c:1071
 lru_add_drain_cpu+0x6a/0x260 mm/swap.c:613
 lru_add_drain+0x21/0x60 mm/swap.c:717
 free_pages_and_swap_cache+0x1d/0x200 mm/swap_state.c:317
 tlb_batch_pages_flush mm/mmu_gather.c:50 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:243 [inline]
 tlb_flush_mmu+0x597/0x5f0 mm/mmu_gather.c:250
 zap_pte_range+0xe56/0x10e0 mm/memory.c:1441
 zap_pmd_range mm/memory.c:1490 [inline]
 zap_pud_range mm/memory.c:1519 [inline]
 zap_p4d_range mm/memory.c:1540 [inline]
 unmap_page_range+0x2dc/0x3d0 mm/memory.c:1561
 unmap_single_vma+0x157/0x210 mm/memory.c:1606
 unmap_vmas+0xd0/0x180 mm/memory.c:1638
 exit_mmap+0x261/0x4b0 mm/mmap.c:3178
 __mmput+0x27/0x1b0 kernel/fork.c:1114
 mmput+0x3d/0x50 kernel/fork.c:1135
 exit_mm+0xdb/0x170 kernel/exit.c:507
 do_exit+0x569/0x16a0 kernel/exit.c:793
 do_group_exit+0xa5/0x160 kernel/exit.c:935
 get_signal+0x8cf/0x15b0 kernel/signal.c:2863
 arch_do_signal_or_restart+0x8c/0x2e0 arch/x86/kernel/signal.c:868
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x113/0x190 kernel/entry/common.c:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:300
 do_syscall_64+0x50/0xd0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0xffff8881361b6800 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 7137 Comm: syz-executor.3 Not tainted 5.17.0-rc4-syzkaller-00054-gf71077a4d84b-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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