loop5: detected capacity change from 0 to 264192
==================================================================
BUG: KCSAN: data-race in delete_from_page_cache_batch / folio_mapping

write to 0xffffea0004a78758 of 8 bytes by task 9433 on cpu 1:
 page_cache_delete_batch mm/filemap.c:304 [inline]
 delete_from_page_cache_batch+0x301/0x760 mm/filemap.c:330
 truncate_inode_pages_range+0x305/0x8b0 mm/truncate.c:379
 truncate_inode_pages mm/truncate.c:461 [inline]
 truncate_inode_pages_final+0x54/0x60 mm/truncate.c:496
 ext4_evict_inode+0x219/0xc00 fs/ext4/inode.c:223
 evict+0x1aa/0x410 fs/inode.c:664
 iput_final fs/inode.c:1744 [inline]
 iput+0x3ef/0x580 fs/inode.c:1770
 do_unlinkat+0x2d4/0x540 fs/namei.c:4225
 __do_sys_unlink fs/namei.c:4266 [inline]
 __se_sys_unlink fs/namei.c:4264 [inline]
 __x64_sys_unlink+0x2c/0x30 fs/namei.c:4264
 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 0xffffea0004a78758 of 8 bytes by task 11287 on cpu 0:
 folio_mapping+0x92/0x120 mm/util.c:715
 page_mapping+0x37/0x50 mm/folio-compat.c:13
 page_evictable mm/internal.h:133 [inline]
 move_pages_to_lru+0x13d/0x7c0 mm/vmscan.c:2319
 shrink_inactive_list+0x414/0x730 mm/vmscan.c:2438
 shrink_list mm/vmscan.c:2662 [inline]
 shrink_lruvec+0x3c9/0x710 mm/vmscan.c:2981
 shrink_node_memcgs+0x23e/0x410 mm/vmscan.c:3170
 shrink_node+0x8f6/0x1190 mm/vmscan.c:3293
 shrink_zones+0x2d1/0x5e0 mm/vmscan.c:3530
 do_try_to_free_pages+0x181/0x720 mm/vmscan.c:3588
 try_to_free_mem_cgroup_pages+0x1cb/0x420 mm/vmscan.c:3902
 memory_high_write+0x13f/0x180 mm/memcontrol.c:6257
 cgroup_file_write+0x161/0x300 kernel/cgroup/cgroup.c:3882
 kernfs_fop_write_iter+0x1d3/0x2d0 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2074 [inline]
 do_iter_readv_writev+0x2de/0x380 fs/read_write.c:725
 do_iter_write+0x192/0x5c0 fs/read_write.c:851
 vfs_iter_write+0x4c/0x70 fs/read_write.c:892
 iter_file_splice_write+0x43a/0x790 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0x80/0xa0 fs/splice.c:936
 splice_direct_to_actor+0x345/0x650 fs/splice.c:891
 do_splice_direct+0x106/0x190 fs/splice.c:979
 do_sendfile+0x675/0xc40 fs/read_write.c:1245
 __do_sys_sendfile64 fs/read_write.c:1310 [inline]
 __se_sys_sendfile64 fs/read_write.c:1296 [inline]
 __x64_sys_sendfile64+0x102/0x140 fs/read_write.c:1296
 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: 0xffff8881254c8d20 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 11287 Comm: syz-executor.5 Not tainted 5.17.0-rc1-syzkaller-00186-g23a46422c561-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================
syz-executor.5 (11287) used greatest stack depth: 9824 bytes left