WARNING: CPU: 0 PID: 110 at fs/ext4/inode.c:5134 ext4_write_inode+0x337/0x590 fs/ext4/inode.c:5134 Modules linked in: CPU: 0 PID: 110 Comm: kswapd0 Not tainted 6.4.0-rc1-syzkaller-00133-g9a48d6046722 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:ext4_write_inode+0x337/0x590 fs/ext4/inode.c:5134 Code: b6 04 02 84 c0 74 08 3c 03 0f 8e 3d 02 00 00 8b b5 a8 06 00 00 4c 89 f7 e8 66 40 12 00 41 89 c4 e9 ed fd ff ff e8 49 22 57 ff <0f> 0b 45 31 e4 e9 de fd ff ff e8 3a 22 57 ff 48 89 ef 48 8d 74 24 RSP: 0018:ffffc90000ecf358 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 1ffff920001d9e6b RCX: 0000000000000000 RDX: ffff888016aec800 RSI: ffffffff822d2297 RDI: 0000000000000005 RBP: ffff88802a9516b0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000800 R11: 0000000000000000 R12: 0000000000000800 R13: ffffc90000ecf4d8 R14: dffffc0000000000 R15: ffff88802a9516d8 FS: 0000000000000000(0000) GS:ffff88802c600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002d02c000 CR3: 000000005fa7d000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: write_inode fs/fs-writeback.c:1456 [inline] __writeback_single_inode+0x9f2/0xdb0 fs/fs-writeback.c:1668 writeback_single_inode+0x2ad/0x590 fs/fs-writeback.c:1724 write_inode_now+0x16e/0x1e0 fs/fs-writeback.c:2760 iput_final fs/inode.c:1734 [inline] iput.part.0+0x408/0x740 fs/inode.c:1773 iput+0x5c/0x80 fs/inode.c:1763 dentry_unlink_inode+0x2b1/0x460 fs/dcache.c:401 __dentry_kill+0x3c0/0x640 fs/dcache.c:607 shrink_dentry_list+0x12c/0x4f0 fs/dcache.c:1201 prune_dcache_sb+0xeb/0x150 fs/dcache.c:1282 super_cache_scan+0x33a/0x590 fs/super.c:104 do_shrink_slab+0x428/0xaa0 mm/vmscan.c:911 shrink_slab_memcg mm/vmscan.c:981 [inline] shrink_slab+0x4aa/0x8a0 mm/vmscan.c:1061 shrink_one+0x4f9/0x710 mm/vmscan.c:5379 shrink_many mm/vmscan.c:5429 [inline] lru_gen_shrink_node mm/vmscan.c:5546 [inline] shrink_node+0x1fd5/0x3500 mm/vmscan.c:6487 kswapd_shrink_node mm/vmscan.c:7287 [inline] balance_pgdat+0xa02/0x1ac0 mm/vmscan.c:7477 kswapd+0x677/0xd60 mm/vmscan.c:7737 kthread+0x344/0x440 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308