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BUG: KCSAN: data-race in folio_mapping / page_cache_delete_batch

write to 0xffffea0004434658 of 8 bytes by task 20392 on cpu 0:
 page_cache_delete_batch+0x1a7/0x470 mm/filemap.c:308
 delete_from_page_cache_batch+0x18f/0x2a0 mm/filemap.c:334
 truncate_inode_pages_range+0x3ca/0xae0 mm/truncate.c:370
 truncate_inode_pages mm/truncate.c:452 [inline]
 truncate_pagecache+0x4f/0x70 mm/truncate.c:753
 ext4_setattr+0xb0a/0xf30 fs/ext4/inode.c:5516
 notify_change+0x9f8/0xb20 fs/attr.c:420
 do_truncate+0xf7/0x140 fs/open.c:65
 handle_truncate fs/namei.c:3216 [inline]
 do_open fs/namei.c:3561 [inline]
 path_openat+0x1802/0x1b00 fs/namei.c:3691
 do_filp_open+0x105/0x220 fs/namei.c:3718
 do_sys_openat2+0xb5/0x2a0 fs/open.c:1311
 do_sys_open fs/open.c:1327 [inline]
 __do_sys_openat fs/open.c:1343 [inline]
 __se_sys_openat fs/open.c:1338 [inline]
 __x64_sys_openat+0xef/0x110 fs/open.c:1338
 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

read to 0xffffea0004434658 of 8 bytes by task 20393 on cpu 1:
 folio_mapping+0x8e/0x110 mm/util.c:806
 folio_evictable mm/internal.h:136 [inline]
 move_pages_to_lru+0x12c/0x800 mm/vmscan.c:2334
 shrink_inactive_list+0x44a/0x740 mm/vmscan.c:2450
 shrink_list mm/vmscan.c:2674 [inline]
 shrink_lruvec+0x3aa/0x6d0 mm/vmscan.c:2991
 shrink_node_memcgs+0x253/0x470 mm/vmscan.c:3180
 shrink_node+0x8d5/0x1180 mm/vmscan.c:3304
 shrink_zones+0x2c1/0x5d0 mm/vmscan.c:3542
 do_try_to_free_pages+0x195/0x740 mm/vmscan.c:3601
 try_to_free_mem_cgroup_pages+0x1d1/0x420 mm/vmscan.c:3916
 try_charge_memcg+0x2ed/0xa40 mm/memcontrol.c:2627
 try_charge mm/memcontrol.c:2769 [inline]
 mem_cgroup_charge_skmem+0x4d/0x130 mm/memcontrol.c:7119
 sock_reserve_memory+0xb0/0x3a0 net/core/sock.c:1016
 sock_setsockopt+0xeeb/0x1a40 net/core/sock.c:1482
 __sys_setsockopt+0x242/0x2b0 net/socket.c:2248
 __do_sys_setsockopt net/socket.c:2263 [inline]
 __se_sys_setsockopt net/socket.c:2260 [inline]
 __x64_sys_setsockopt+0x62/0x70 net/socket.c:2260
 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: 0xffff888105f8e770 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 20393 Comm: syz-executor.0 Not tainted 6.0.0-rc1-syzkaller-00025-g274a2eebf80c-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
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