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BUG: KCSAN: data-race in __filemap_remove_folio / folio_mapping

write to 0xffffea0004e75dd8 of 8 bytes by task 13583 on cpu 0:
 page_cache_delete mm/filemap.c:142 [inline]
 __filemap_remove_folio+0x1b7/0x2c0 mm/filemap.c:228
 filemap_remove_folio+0x69/0x210 mm/filemap.c:262
 truncate_inode_folio+0x14c/0x160 mm/truncate.c:227
 truncate_inode_pages_range+0x6a2/0x8b0 mm/truncate.c:440
 truncate_inode_pages+0x20/0x30 mm/truncate.c:469
 kill_bdev block/bdev.c:78 [inline]
 set_blocksize+0x24e/0x270 block/bdev.c:158
 sb_set_blocksize block/bdev.c:167 [inline]
 sb_min_blocksize+0x92/0x110 block/bdev.c:183
 __ext4_fill_super+0x10e/0x59b0 fs/ext4/super.c:4390
 ext4_fill_super+0xfd/0x2f0 fs/ext4/super.c:5558
 get_tree_bdev+0x2c2/0x3d0 fs/super.c:1295
 vfs_get_tree+0x4a/0x1a0 fs/super.c:1500
 do_new_mount fs/namespace.c:2994 [inline]
 path_mount+0x11cf/0x1c40 fs/namespace.c:3324
 do_mount fs/namespace.c:3337 [inline]
 __do_sys_mount fs/namespace.c:3545 [inline]
 __se_sys_mount+0x24b/0x2f0 fs/namespace.c:3522
 __x64_sys_mount+0x63/0x70 fs/namespace.c:3522
 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 0xffffea0004e75dd8 of 8 bytes by task 13584 on cpu 1:
 folio_mapping+0x92/0x120 mm/util.c:722
 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 mm/swap.c:717 [inline]
 __pagevec_release+0x4b/0xc0 mm/swap.c:997
 pagevec_release include/linux/pagevec.h:82 [inline]
 folio_batch_release include/linux/pagevec.h:145 [inline]
 truncate_inode_pages_range+0x36d/0x8b0 mm/truncate.c:387
 truncate_inode_pages+0x20/0x30 mm/truncate.c:469
 kill_bdev block/bdev.c:78 [inline]
 set_blocksize+0x24e/0x270 block/bdev.c:158
 sb_set_blocksize+0x2c/0xa0 block/bdev.c:167
 __ext4_fill_super+0x1b64/0x59b0 fs/ext4/super.c:4793
 ext4_fill_super+0xfd/0x2f0 fs/ext4/super.c:5558
 get_tree_bdev+0x2c2/0x3d0 fs/super.c:1295
 vfs_get_tree+0x4a/0x1a0 fs/super.c:1500
 do_new_mount fs/namespace.c:2994 [inline]
 path_mount+0x11cf/0x1c40 fs/namespace.c:3324
 do_mount fs/namespace.c:3337 [inline]
 __do_sys_mount fs/namespace.c:3545 [inline]
 __se_sys_mount+0x24b/0x2f0 fs/namespace.c:3522
 __x64_sys_mount+0x63/0x70 fs/namespace.c:3522
 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

value changed: 0xffff888100431600 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 13584 Comm: syz-executor.3 Not tainted 5.16.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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EXT4-fs (loop3): bad geometry: block count 512 exceeds size of device (2 blocks)