------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2782!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1100 Comm: kworker/u4:5 Not tainted 6.1.0-syzkaller-03295-g02bf43c7b7f7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: writeback wb_workfn (flush-7:1)
RIP: 0010:ext4_do_writepages+0x3c27/0x3c30 fs/ext4/inode.c:2781
Code: c7 50 d6 4b 8d 4c 89 fa e8 46 c9 33 02 e9 c0 fb ff ff e8 4c 7b 53 ff 0f 0b e8 45 7b 53 ff 0f 0b e8 fe 4d 5c 08 e8 39 7b 53 ff <0f> 0b 0f 1f 80 00 00 00 00 55 41 57 41 56 53 48 89 fb 49 bf 00 00
RSP: 0018:ffffc90004ffede0 EFLAGS: 00010293
RAX: ffffffff8237eaa7 RBX: 0000008000000000 RCX: ffff8880207dd7c0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90004fff150 R08: ffffffff8237b469 R09: ffffed100e7b8791
R10: ffffed100e7b8791 R11: 1ffff1100e7b8790 R12: ffff888073dc3ee0
R13: ffffc90004fff650 R14: 0000008410000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f224f000000 CR3: 0000000019fee000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_writepages+0x1e0/0x290 fs/ext4/inode.c:2965
 do_writepages+0x3c3/0x680 mm/page-writeback.c:2469
 __writeback_single_inode+0xd1/0x670 fs/fs-writeback.c:1587
 writeback_sb_inodes+0xb3b/0x18f0 fs/fs-writeback.c:1878
 __writeback_inodes_wb+0x125/0x420 fs/fs-writeback.c:1949
 wb_writeback+0x440/0x7b0 fs/fs-writeback.c:2054
 wb_check_background_flush fs/fs-writeback.c:2120 [inline]
 wb_do_writeback fs/fs-writeback.c:2208 [inline]
 wb_workfn+0xb3f/0xef0 fs/fs-writeback.c:2235
 process_one_work+0x877/0xdb0 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 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_do_writepages+0x3c27/0x3c30 fs/ext4/inode.c:2781
Code: c7 50 d6 4b 8d 4c 89 fa e8 46 c9 33 02 e9 c0 fb ff ff e8 4c 7b 53 ff 0f 0b e8 45 7b 53 ff 0f 0b e8 fe 4d 5c 08 e8 39 7b 53 ff <0f> 0b 0f 1f 80 00 00 00 00 55 41 57 41 56 53 48 89 fb 49 bf 00 00
RSP: 0018:ffffc90004ffede0 EFLAGS: 00010293
RAX: ffffffff8237eaa7 RBX: 0000008000000000 RCX: ffff8880207dd7c0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90004fff150 R08: ffffffff8237b469 R09: ffffed100e7b8791
R10: ffffed100e7b8791 R11: 1ffff1100e7b8790 R12: ffff888073dc3ee0
R13: ffffc90004fff650 R14: 0000008410000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f224f0df000 CR3: 0000000021186000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400