------------[ cut here ]------------
WARNING: CPU: 2 PID: 109 at fs/ext4/inode.c:5186 ext4_write_inode+0x472/0x540 fs/ext4/inode.c:5186
Modules linked in:
CPU: 2 PID: 109 Comm: kswapd0 Not tainted 6.7.0-syzkaller-02723-gde927f6c0b07 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:ext4_write_inode+0x472/0x540 fs/ext4/inode.c:5186
Code: 4e 50 ff 4c 8b 64 24 20 4d 85 e4 74 0d e8 c6 4e 50 ff 4c 89 e7 e8 4e 67 c8 ff e8 b9 4e 50 ff e9 f3 fd ff ff e8 af 4e 50 ff 90 <0f> 0b 90 e9 e3 fd ff ff e8 11 6a a7 ff e9 1a fc ff ff e8 07 6a a7
RSP: 0018:ffffc90000dff128 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff920001bfe25 RCX: ffffffff8237b800
RDX: ffff8880194d0000 RSI: ffffffff8237bbc1 RDI: 0000000000000005
RBP: 0000000000000800 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000800 R11: ffffffff8ace3160 R12: ffff888028fdbeb0
R13: ffffc90000dff2f0 R14: dffffc0000000000 R15: ffff888028fdbed8
FS:  0000000000000000(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020199018 CR3: 000000004dde9000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1473 [inline]
 __writeback_single_inode+0xa91/0xe90 fs/fs-writeback.c:1690
 writeback_single_inode+0x2b1/0x5a0 fs/fs-writeback.c:1746
 write_inode_now+0x16e/0x1e0 fs/fs-writeback.c:2788
 iput_final fs/inode.c:1763 [inline]
 iput.part.0+0x45c/0x7b0 fs/inode.c:1802
 iput+0x5c/0x80 fs/inode.c:1792
 dentry_unlink_inode+0x292/0x430 fs/dcache.c:400
 __dentry_kill+0x3b8/0x640 fs/dcache.c:608
 dentry_kill fs/dcache.c:746 [inline]
 dput+0x6de/0xd90 fs/dcache.c:914
 ovl_destroy_inode+0x3e/0x190 fs/overlayfs/super.c:189
 destroy_inode+0xc4/0x1b0 fs/inode.c:310
 iput_final fs/inode.c:1776 [inline]
 iput.part.0+0x560/0x7b0 fs/inode.c:1802
 iput+0x5c/0x80 fs/inode.c:1792
 dentry_unlink_inode+0x292/0x430 fs/dcache.c:400
 __dentry_kill+0x3b8/0x640 fs/dcache.c:608
 shrink_dentry_list+0x11e/0x4a0 fs/dcache.c:1202
 prune_dcache_sb+0xeb/0x150 fs/dcache.c:1283
 super_cache_scan+0x327/0x540 fs/super.c:221
 do_shrink_slab+0x428/0x1120 mm/shrinker.c:435
 shrink_slab_memcg mm/shrinker.c:548 [inline]
 shrink_slab+0xa83/0x1310 mm/shrinker.c:626
 shrink_one+0x48f/0x7b0 mm/vmscan.c:4767
 shrink_many mm/vmscan.c:4828 [inline]
 lru_gen_shrink_node mm/vmscan.c:4929 [inline]
 shrink_node+0x2149/0x3740 mm/vmscan.c:5888
 kswapd_shrink_node mm/vmscan.c:6693 [inline]
 balance_pgdat+0x9d2/0x1a90 mm/vmscan.c:6883
 kswapd+0x5be/0xbf0 mm/vmscan.c:7143
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>