------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2747!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 300 Comm: kworker/u4:3 Not tainted 6.1.25-syzkaller-00339-g7b1489746079 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:ext4_writepages+0x3f97/0x3fc0 fs/ext4/inode.c:2746
Code: 1b 83 ff 31 ff 89 de e8 17 1b 83 ff 45 84 f6 75 27 e8 7d 18 83 ff 49 be 00 00 00 00 00 fc ff df e9 88 f6 ff ff e8 69 18 83 ff <0f> 0b e8 62 18 83 ff e8 a9 e7 0f ff eb 98 e8 56 18 83 ff e8 9d e7
RSP: 0018:ffffc90000e37000 EFLAGS: 00010293
RAX: ffffffff81f09727 RBX: 0000008000000000 RCX: ffff88810f2c2600
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000e37410 R08: ffffffff81f05e3e R09: ffffed102269e8b4
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90000e377f0 R14: 000000c410000000 R15: 0000000010000021
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555c3e628 CR3: 00000001217ce000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x385/0x620 mm/page-writeback.c:2469
 __writeback_single_inode+0xdc/0xb80 fs/fs-writeback.c:1590
 writeback_sb_inodes+0xb33/0x18f0 fs/fs-writeback.c:1881
 wb_writeback+0x3b9/0x9f0 fs/fs-writeback.c:2055
 wb_do_writeback fs/fs-writeback.c:2198 [inline]
 wb_workfn+0x399/0x1030 fs/fs-writeback.c:2238
 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2296
 worker_thread+0xa5d/0x1260 kernel/workqueue.c:2443
 kthread+0x26d/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_writepages+0x3f97/0x3fc0 fs/ext4/inode.c:2746
Code: 1b 83 ff 31 ff 89 de e8 17 1b 83 ff 45 84 f6 75 27 e8 7d 18 83 ff 49 be 00 00 00 00 00 fc ff df e9 88 f6 ff ff e8 69 18 83 ff <0f> 0b e8 62 18 83 ff e8 a9 e7 0f ff eb 98 e8 56 18 83 ff e8 9d e7
RSP: 0018:ffffc90000e37000 EFLAGS: 00010293
RAX: ffffffff81f09727 RBX: 0000008000000000 RCX: ffff88810f2c2600
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000e37410 R08: ffffffff81f05e3e R09: ffffed102269e8b4
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90000e377f0 R14: 000000c410000000 R15: 0000000010000021
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555c3e628 CR3: 00000001217ce000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400