==================================================================
BUG: KCSAN: data-race in delete_from_page_cache_batch / folio_mapping

write to 0xffffea000451be58 of 8 bytes by task 20189 on cpu 1:
 page_cache_delete_batch mm/filemap.c:308 [inline]
 delete_from_page_cache_batch+0x31b/0x770 mm/filemap.c:334
 truncate_inode_pages_range+0x305/0x870 mm/truncate.c:370
 truncate_inode_pages mm/truncate.c:452 [inline]
 truncate_inode_pages_final+0x54/0x60 mm/truncate.c:487
 ext4_evict_inode+0x27c/0xe90 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
 do_unlinkat+0x2b3/0x510 fs/namei.c:4327
 __do_sys_unlink fs/namei.c:4368 [inline]
 __se_sys_unlink fs/namei.c:4366 [inline]
 __x64_sys_unlink+0x2c/0x30 fs/namei.c:4366
 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 0xffffea000451be58 of 8 bytes by task 20221 on cpu 0:
 folio_mapping+0x8e/0x110 mm/util.c:778
 folio_evictable mm/internal.h:138 [inline]
 move_folios_to_lru+0x12d/0x6d0 mm/vmscan.c:2376
 shrink_inactive_list+0x43a/0x760 mm/vmscan.c:2492
 shrink_list mm/vmscan.c:2728 [inline]
 shrink_lruvec+0x2ba/0x6f0 mm/vmscan.c:5923
 shrink_node_memcgs+0x253/0x470 mm/vmscan.c:6110
 shrink_node+0x1d7/0x930 mm/vmscan.c:6141
 shrink_zones+0x2c1/0x5d0 mm/vmscan.c:6379
 do_try_to_free_pages+0x195/0x760 mm/vmscan.c:6441
 try_to_free_mem_cgroup_pages+0x1d1/0x420 mm/vmscan.c:6756
 memory_max_write+0x15f/0x290 mm/memcontrol.c:6448
 cgroup_file_write+0x167/0x300 kernel/cgroup/cgroup.c:4057
 kernfs_fop_write_iter+0x1d3/0x2c0 fs/kernfs/file.c:330
 call_write_iter include/linux/fs.h:2199 [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: 0xffff88810b1023e0 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 20221 Comm: syz-executor.5 Not tainted 6.1.0-rc7-syzkaller-00102-g04aa64375f48-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
==================================================================
syz-executor.5 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
CPU: 1 PID: 20221 Comm: syz-executor.5 Not tainted 6.1.0-rc7-syzkaller-00102-g04aa64375f48-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd6/0x122 lib/dump_stack.c:106
 dump_stack+0x11/0x13 lib/dump_stack.c:113
 dump_header+0x98/0x430 mm/oom_kill.c:460
 out_of_memory+0x65e/0x880 mm/oom_kill.c:1163
 mem_cgroup_out_of_memory+0x13a/0x180 mm/memcontrol.c:1706
 memory_max_write+0x1fa/0x290 mm/memcontrol.c:6455
 cgroup_file_write+0x167/0x300 kernel/cgroup/cgroup.c:4057
 kernfs_fop_write_iter+0x1d3/0x2c0 fs/kernfs/file.c:330
 call_write_iter include/linux/fs.h:2199 [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
RIP: 0033:0x7f65679ab0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6566d1e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6567acaf80 RCX: 00007f65679ab0d9
RDX: 0000000000000012 RSI: 0000000020000080 RDI: 0000000000000006
RBP: 00007f6567a06ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffdccb0adf R14: 00007f6566d1e300 R15: 0000000000022000
 </TASK>
memory: usage 2084kB, limit 0kB, failcnt 116
swap: usage 0kB, limit 9007199254740988kB, failcnt 0
Memory cgroup stats for /syz1:
anon 0
file 118784
kernel 1654784
kernel_stack 0
pagetables 0
sec_pagetables 0
percpu 53424
sock 360448
vmalloc 4096
shmem 106496
file_mapped 106496
file_dirty 0
file_writeback 0
swapcached 0
inactive_anon 8192
active_anon 98304
inactive_file 4096
active_file 8192
unevictable 0
slab_reclaimable 7488
slab_unreclaimable 1584408
slab 1591896
workingset_refault_anon 0
workingset_refault_file 7
workingset_activate_anon 0
Out of memory and no killable processes...