WARNING: CPU: 3 PID: 109 at fs/ext4/inode.c:5156 ext4_write_inode+0x476/0x540 fs/ext4/inode.c:5156 Modules linked in: CPU: 3 PID: 109 Comm: kswapd0 Not tainted 6.8.0-rc6-syzkaller-00011-g45ec2f5f6ed3 #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+0x476/0x540 fs/ext4/inode.c:5156 Code: 03 4a ff 4c 8b 64 24 20 4d 85 e4 74 0d e8 42 03 4a ff 4c 89 e7 e8 ca 39 c6 ff e8 35 03 4a ff e9 ef fd ff ff e8 2b 03 4a ff 90 <0f> 0b 90 e9 df fd ff ff e8 cd 98 a4 ff e9 16 fc ff ff e8 c3 98 a4 RSP: 0018:ffffc90000e3f158 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff920001c7e2b RCX: ffffffff8241dd70 RDX: ffff88801ad98000 RSI: ffffffff8241e135 RDI: 0000000000000005 RBP: 0000000000000800 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000800 R11: 0000000000000002 R12: ffff888051fc70b0 R13: ffffc90000e3f320 R14: dffffc0000000000 R15: ffff888051fc70d8 FS: 0000000000000000(0000) GS:ffff88802c500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f7452f8c CR3: 0000000027136000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: write_inode fs/fs-writeback.c:1473 [inline] __writeback_single_inode+0xa97/0xe90 fs/fs-writeback.c:1690 writeback_single_inode+0x2b5/0x5a0 fs/fs-writeback.c:1746 write_inode_now+0x16e/0x1e0 fs/fs-writeback.c:2788 iput_final fs/inode.c:1726 [inline] iput.part.0+0x45f/0x7b0 fs/inode.c:1765 iput+0x5c/0x80 fs/inode.c:1755 dentry_unlink_inode+0x295/0x440 fs/dcache.c:400 __dentry_kill+0x1d0/0x600 fs/dcache.c:603 dput.part.0+0x4b1/0x9b0 fs/dcache.c:845 dput+0x1f/0x30 fs/dcache.c:835 ovl_destroy_inode+0x3e/0x190 fs/overlayfs/super.c:189 destroy_inode+0xc4/0x1b0 fs/inode.c:310 iput_final fs/inode.c:1739 [inline] iput.part.0+0x563/0x7b0 fs/inode.c:1765 iput+0x5c/0x80 fs/inode.c:1755 dentry_unlink_inode+0x295/0x440 fs/dcache.c:400 __dentry_kill+0x1d0/0x600 fs/dcache.c:603 shrink_kill fs/dcache.c:1048 [inline] shrink_dentry_list+0x140/0x5d0 fs/dcache.c:1075 prune_dcache_sb+0xeb/0x150 fs/dcache.c:1156 super_cache_scan+0x32a/0x550 fs/super.c:221 do_shrink_slab+0x426/0x1120 mm/shrinker.c:435 shrink_slab_memcg mm/shrinker.c:548 [inline] shrink_slab+0xa87/0x1310 mm/shrinker.c:626 shrink_one+0x493/0x7b0 mm/vmscan.c:4767 shrink_many mm/vmscan.c:4828 [inline] lru_gen_shrink_node mm/vmscan.c:4929 [inline] shrink_node+0x21d0/0x3790 mm/vmscan.c:5888 kswapd_shrink_node mm/vmscan.c:6693 [inline] balance_pgdat+0x9d2/0x1a90 mm/vmscan.c:6883 kswapd+0x5be/0xc00 mm/vmscan.c:7143 kthread+0x2c6/0x3b0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243