------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2564!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 PID: 947 Comm: kworker/u8:5 Not tainted 6.9.0-syzkaller-03117-gb850dc206a57 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: writeback wb_workfn (flush-7:1)
RIP: 0010:ext4_do_writepages+0x3d38/0x3d40 fs/ext4/inode.c:2563
Code: 4f 8e 4c 89 f2 e8 28 ba 89 02 e9 ab fb ff ff e8 4e 5b 3f ff 90 0f 0b e8 46 5b 3f ff 90 0f 0b e8 4e 24 22 09 e8 39 5b 3f ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90004196be0 EFLAGS: 00010293
RAX: ffffffff8256e747 RBX: 0000004000000000 RCX: ffff888020f98000
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc90004196ff0 R08: ffffffff8256af23 R09: 1ffff1100c2188ca
R10: dffffc0000000000 R11: ffffed100c2188cb R12: 0000000000000001
R13: 0000000004208060 R14: 0000006210000000 R15: ffff8880610c48b0
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c8b9d57668 CR3: 000000004ca34000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_writepages+0x213/0x3c0 fs/ext4/inode.c:2768
 do_writepages+0x359/0x870 mm/page-writeback.c:2613
 __writeback_single_inode+0x165/0x10b0 fs/fs-writeback.c:1651
 writeback_sb_inodes+0x99c/0x1380 fs/fs-writeback.c:1947
 wb_writeback+0x481/0xd40 fs/fs-writeback.c:2127
 wb_do_writeback fs/fs-writeback.c:2274 [inline]
 wb_workfn+0x410/0x1090 fs/fs-writeback.c:2314
 process_one_work kernel/workqueue.c:3267 [inline]
 process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3348
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_do_writepages+0x3d38/0x3d40 fs/ext4/inode.c:2563
Code: 4f 8e 4c 89 f2 e8 28 ba 89 02 e9 ab fb ff ff e8 4e 5b 3f ff 90 0f 0b e8 46 5b 3f ff 90 0f 0b e8 4e 24 22 09 e8 39 5b 3f ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90004196be0 EFLAGS: 00010293
RAX: ffffffff8256e747 RBX: 0000004000000000 RCX: ffff888020f98000
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc90004196ff0 R08: ffffffff8256af23 R09: 1ffff1100c2188ca
R10: dffffc0000000000 R11: ffffed100c2188cb R12: 0000000000000001
R13: 0000000004208060 R14: 0000006210000000 R15: ffff8880610c48b0
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d9a4838000 CR3: 000000002352c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400