------------[ cut here ]------------
WARNING: CPU: 3 PID: 108 at fs/ext4/inode.c:5171 ext4_write_inode+0x471/0x540 fs/ext4/inode.c:5171
Modules linked in:
CPU: 3 PID: 108 Comm: kswapd0 Not tainted 6.6.0-rc7-syzkaller #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+0x471/0x540 fs/ext4/inode.c:5171
Code: b5 d7 52 ff 4c 8b 64 24 20 4d 85 e4 74 0d e8 a6 d7 52 ff 4c 89 e7 e8 be db c8 ff e8 99 d7 52 ff e9 f3 fd ff ff e8 8f d7 52 ff <0f> 0b e9 e5 fd ff ff e8 f3 b0 a8 ff e9 1c fc ff ff e8 e9 b0 a8 ff
RSP: 0018:ffffc90000e8f2c8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff920001d1e59 RCX: 0000000000000000
RDX: ffff88801719c800 RSI: ffffffff823502a1 RDI: 0000000000000005
RBP: 0000000000000800 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000800 R11: 000000000000026e R12: ffff8880456a96b0
R13: ffffc90000e8f490 R14: dffffc0000000000 R15: ffff8880456a96d8
FS:  0000000000000000(0000) GS:ffff88802c900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001000 CR3: 000000001b355000 CR4: 0000000000350ee0
DR0: 0000000000000062 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1456 [inline]
 __writeback_single_inode+0xa81/0xe70 fs/fs-writeback.c:1673
 writeback_single_inode+0x2af/0x590 fs/fs-writeback.c:1729
 write_inode_now+0x16e/0x1e0 fs/fs-writeback.c:2771
 iput_final fs/inode.c:1762 [inline]
 iput.part.0+0x45a/0x7a0 fs/inode.c:1801
 iput+0x5c/0x80 fs/inode.c:1791
 dentry_unlink_inode+0x292/0x430 fs/dcache.c:401
 __dentry_kill+0x3b8/0x640 fs/dcache.c:607
 shrink_dentry_list+0x22b/0x7d0 fs/dcache.c:1201
 prune_dcache_sb+0xeb/0x150 fs/dcache.c:1282
 super_cache_scan+0x31f/0x540 fs/super.c:228
 do_shrink_slab+0x422/0xaa0 mm/vmscan.c:900
 shrink_slab_memcg mm/vmscan.c:969 [inline]
 shrink_slab+0x48b/0x6e0 mm/vmscan.c:1048
 shrink_one+0x4f7/0x700 mm/vmscan.c:5417
 shrink_many mm/vmscan.c:5469 [inline]
 lru_gen_shrink_node mm/vmscan.c:5586 [inline]
 shrink_node+0x20d4/0x37a0 mm/vmscan.c:6526
 kswapd_shrink_node mm/vmscan.c:7331 [inline]
 balance_pgdat+0xa32/0x1b80 mm/vmscan.c:7521
 kswapd+0x5be/0xbf0 mm/vmscan.c:7781
 kthread+0x33c/0x440 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:304
 </TASK>