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

write to 0xffffea00044c8298 of 8 bytes by task 16936 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_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:4304
 __do_sys_unlink fs/namei.c:4345 [inline]
 __se_sys_unlink fs/namei.c:4343 [inline]
 __x64_sys_unlink+0x2c/0x30 fs/namei.c:4343
 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 0xffffea00044c8298 of 8 bytes by task 19234 on cpu 1:
 folio_mapping+0x8e/0x110 mm/util.c:810
 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/0x700 mm/vmscan.c:2991
 shrink_node_memcgs+0x253/0x470 mm/vmscan.c:3180
 shrink_node+0x955/0x1200 mm/vmscan.c:3304
 shrink_zones+0x2c1/0x5d0 mm/vmscan.c:3542
 do_try_to_free_pages+0x195/0x760 mm/vmscan.c:3601
 try_to_free_mem_cgroup_pages+0x1d1/0x420 mm/vmscan.c:3916
 memory_max_write+0x1b0/0x420 mm/memcontrol.c:6352
 cgroup_file_write+0x167/0x300 kernel/cgroup/cgroup.c:3971
 kernfs_fop_write_iter+0x1d3/0x2c0 fs/kernfs/file.c:330
 call_write_iter include/linux/fs.h:2190 [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: 0xffff88810a8e8360 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 19234 Comm: syz-executor.0 Tainted: G        W          6.0.0-syzkaller-10145-ge2302539dd4f-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
==================================================================
syz-executor.0 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
CPU: 1 PID: 19234 Comm: syz-executor.0 Tainted: G        W          6.0.0-syzkaller-10145-ge2302539dd4f-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd6/0x122 lib/dump_stack.c:106
 dump_stack+0x11/0x15 lib/dump_stack.c:113
 dump_header+0x98/0x410 mm/oom_kill.c:460
 oom_kill_process+0x100/0x550 mm/oom_kill.c:1037
 out_of_memory+0x620/0x880 mm/oom_kill.c:1175
 mem_cgroup_out_of_memory mm/memcontrol.c:1646 [inline]
 memory_max_write+0x31b/0x420 mm/memcontrol.c:6359
 cgroup_file_write+0x167/0x300 kernel/cgroup/cgroup.c:3971
 kernfs_fop_write_iter+0x1d3/0x2c0 fs/kernfs/file.c:330
 call_write_iter include/linux/fs.h:2190 [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: 0033:0x7f056a4635a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007f0569bd7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f056a583f80 RCX: 00007f056a4635a9
RDX: 0000000000000012 RSI: 00000000200000c0 RDI: 0000000000000006
RBP: 00007f056a4be580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffde822f5f R14: 00007f0569bd7300 R15: 0000000000022000
 </TASK>
memory: usage 14020kB, limit 0kB, failcnt 58
swap: usage 0kB, limit 9007199254740988kB, failcnt 0
Memory cgroup stats for /syz1:
anon 45056
file 10473472
kernel 3522560
kernel_stack 16384
pagetables 40960
sec_pagetables 0
percpu 104192
sock 299008
vmalloc 0
shmem 10465280
file_mapped 221184
file_dirty 8192
file_writeback 0
swapcached 0
inactive_anon 45056
active_anon 10465280
inactive_file 4096
active_file 4096
unevictable 0
slab_reclaimable 82664
slab_unreclaimable 3251728
slab 3334392
workingset_refault_anon 0
workingset_refault_file 2
workingset_activate_anon 0
oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=syz0,mems_allowed=0,oom_memcg=/syz1,task_memcg=/syz1,task=syz-executor.1,pid=16936,uid=0
Memory cgroup out of memory: Killed process 16936 (syz-executor.1) total-vm:42428kB, anon-rss:456kB, file-rss:9088kB, shmem-rss:64kB, UID:0 pgtables:64kB oom_score_adj:0
syz-executor.0 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=1000
CPU: 0 PID: 19234 Comm: syz-executor.0 Tainted: G        W          6.0.0-syzkaller-10145-ge2302539dd4f-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd6/0x122 lib/dump_stack.c:106
 dump_stack+0x11/0x15 lib/dump_stack.c:113
 dump_header+0x98/0x410 mm/oom_kill.c:460
 out_of_memory+0x65e/0x880 mm/oom_kill.c:1164
 mem_cgroup_out_of_memory mm/memcontrol.c:1646 [inline]
 memory_max_write+0x31b/0x420 mm/memcontrol.c:6359
 cgroup_file_write+0x167/0x300 kernel/cgroup/cgroup.c:3971
 kernfs_fop_write_iter+0x1d3/0x2c0 fs/kernfs/file.c:330
 call_write_iter include/linux/fs.h:2190 [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: 0033:0x7f056a4635a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007f0569bd7168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f056a583f80 RCX: 00007f056a4635a9
RDX: 0000000000000012 RSI: 00000000200000c0 RDI: 0000000000000006
RBP: 00007f056a4be580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffde822f5f R14: 00007f0569bd7300 R15: 0000000000022000
 </TASK>
memory: usage 13872kB, limit 0kB, failcnt 75
swap: usage 0kB, limit 9007199254740988kB, failcnt 0
Memory cgroup stats for /syz1:
anon 0
file 10473472
kernel 3383296
kernel_stack 0
pagetables 0
sec_pagetables 0
percpu 103008
sock 299008
vmalloc 0
shmem 10465280
file_mapped 221184
file_dirty 8192
file_writeback 0
swapcached 0
inactive_anon 0
active_anon 10465280
inactive_file 4096
active_file 4096
unevictable 0
slab_reclaimable 45496
slab_unreclaimable 3228736
slab 3274232
workingset_refault_anon 0
workingset_refault_file 2
workingset_activate_anon 0
Out of memory and no killable processes...