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BUG: KCSAN: data-race in delete_from_page_cache_batch / folio_mapping

write to 0xffffea00052963d8 of 8 bytes by task 9887 on cpu 0:
 page_cache_delete_batch mm/filemap.c:308 [inline]
 delete_from_page_cache_batch+0x31b/0x770 mm/filemap.c:334
 truncate_inode_pages_range+0x355/0x830 mm/truncate.c:369
 truncate_inode_pages mm/truncate.c:448 [inline]
 truncate_inode_pages_final+0x54/0x60 mm/truncate.c:483
 ext4_evict_inode+0x28e/0xf10 fs/ext4/inode.c:221
 evict+0x1aa/0x410 fs/inode.c:664
 iput_final fs/inode.c:1747 [inline]
 iput+0x3f9/0x580 fs/inode.c:1773
 dentry_unlink_inode+0x22a/0x240 fs/dcache.c:401
 __dentry_kill+0x28b/0x450 fs/dcache.c:607
 dentry_kill+0x8d/0x1e0
 dput+0x11e/0x1f0 fs/dcache.c:913
 __fput+0x3bf/0x570 fs/file_table.c:328
 ____fput+0x11/0x20 fs/file_table.c:348
 task_work_run+0xde/0x110 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x5a0/0x16e0 kernel/exit.c:867
 do_group_exit+0xfe/0x140 kernel/exit.c:1012
 get_signal+0xb4b/0xc70 kernel/signal.c:2859
 arch_do_signal_or_restart+0x85/0x290 arch/x86/kernel/signal.c:306
 exit_to_user_mode_loop+0x78/0x130 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x69/0x90 kernel/entry/common.c:203
 irqentry_exit_to_user_mode+0x5/0x10 kernel/entry/common.c:309
 irqentry_exit+0xe/0x40 kernel/entry/common.c:412
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570

read to 0xffffea00052963d8 of 8 bytes by task 9981 on cpu 1:
 folio_mapping+0x8e/0x110 mm/util.c:752
 folio_evictable mm/internal.h:138 [inline]
 move_folios_to_lru+0x12d/0x6d0 mm/vmscan.c:2413
 shrink_inactive_list+0x426/0x760 mm/vmscan.c:2529
 shrink_list mm/vmscan.c:2767 [inline]
 shrink_lruvec+0x2ba/0x6f0 mm/vmscan.c:5951
 shrink_node_memcgs+0x240/0x450 mm/vmscan.c:6138
 shrink_node+0x1d7/0x930 mm/vmscan.c:6169
 shrink_zones+0x2c1/0x5d0 mm/vmscan.c:6407
 do_try_to_free_pages+0x195/0x760 mm/vmscan.c:6469
 try_to_free_mem_cgroup_pages+0x1d0/0x420 mm/vmscan.c:6786
 memory_high_write+0x141/0x1d0 mm/memcontrol.c:6431
 cgroup_file_write+0x167/0x300 kernel/cgroup/cgroup.c:4061
 kernfs_fop_write_iter+0x1d3/0x2c0 fs/kernfs/file.c:334
 call_write_iter include/linux/fs.h:2189 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x468/0x760 fs/read_write.c:584
 ksys_write+0xe8/0x1a0 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+0x3e/0x50 fs/read_write.c:646
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0xffff8881066627f0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 9981 Comm: syz-executor.3 Not tainted 6.2.0-rc5-syzkaller-00047-g7c46948a6e9c-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
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