------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2564!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 74 Comm: kworker/u8:5 Not tainted 6.9.0-rc6-syzkaller-00131-gf03359bca01b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: writeback wb_workfn (flush-7:4)
RIP: 0010:ext4_do_writepages+0x3d38/0x3d40 fs/ext4/inode.c:2563
Code: 4f 8e 4c 89 f2 e8 b8 f3 8f 02 e9 ab fb ff ff e8 be c5 3c ff 90 0f 0b e8 b6 c5 3c ff 90 0f 0b e8 ce 11 27 09 e8 a9 c5 3c 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:ffffc900015f6b80 EFLAGS: 00010293
RAX: ffffffff82594b17 RBX: 0000004000000000 RCX: ffff888018350000
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc900015f6f90 R08: ffffffff825912f3 R09: 1ffff1100bf56dca
R10: dffffc0000000000 R11: ffffed100bf56dcb R12: 0000000000000001
R13: 0000000024208060 R14: 0000006210000000 R15: ffff88805fab70b0
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31928000 CR3: 0000000072e1e000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ext4_writepages+0x213/0x3c0 fs/ext4/inode.c:2768
 do_writepages+0x35b/0x870 mm/page-writeback.c:2612
 __writeback_single_inode+0x165/0x10b0 fs/fs-writeback.c:1650
 writeback_sb_inodes+0x905/0x1260 fs/fs-writeback.c:1941
 __writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:2012
 wb_writeback+0x46b/0xce0 fs/fs-writeback.c:2119
 wb_check_background_flush fs/fs-writeback.c:2189 [inline]
 wb_do_writeback fs/fs-writeback.c:2277 [inline]
 wb_workfn+0xc58/0x1090 fs/fs-writeback.c:2304
 process_one_work kernel/workqueue.c:3267 [inline]
 process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3348
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429
 kthread+0x2f2/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/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 b8 f3 8f 02 e9 ab fb ff ff e8 be c5 3c ff 90 0f 0b e8 b6 c5 3c ff 90 0f 0b e8 ce 11 27 09 e8 a9 c5 3c 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:ffffc900015f6b80 EFLAGS: 00010293
RAX: ffffffff82594b17 RBX: 0000004000000000 RCX: ffff888018350000
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc900015f6f90 R08: ffffffff825912f3 R09: 1ffff1100bf56dca
R10: dffffc0000000000 R11: ffffed100bf56dcb R12: 0000000000000001
R13: 0000000024208060 R14: 0000006210000000 R15: ffff88805fab70b0
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557ed98788 CR3: 000000006ba80000 CR4: 0000000000350ef0