------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2781!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2413 Comm: kworker/u4:6 Not tainted 6.3.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: writeback wb_workfn
 (flush-7:0)
RIP: 0010:ext4_do_writepages+0x3edd/0x3ee0 fs/ext4/inode.c:2780
Code: c7 50 9d 0b 8d 4c 89 f2 e8 50 0d 37 02 e9 e5 fb ff ff e8 36 70 51 ff 0f 0b e8 2f 70 51 ff 0f 0b e8 38 ba 73 08 e8 23 70 51 ff <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 41 54 53 49 89 fe 49 bf 00 00
RSP: 0018:ffffc9000b71eec0 EFLAGS: 00010293

RAX: ffffffff8239d75d RBX: 0000008000000000 RCX: ffff888027748000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc9000b71f230 R08: ffffffff82399f33 R09: ffffed100ed98c95
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920016e3ee6
R13: ffffc9000b71f730 R14: 0000008410000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffef1ffd9c0 CR3: 000000002bf10000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_writepages+0x1e5/0x290 fs/ext4/inode.c:2964
 do_writepages+0x3a6/0x670 mm/page-writeback.c:2551
 __writeback_single_inode+0x1b2/0x1370 fs/fs-writeback.c:1600
 writeback_sb_inodes+0x913/0x12d0 fs/fs-writeback.c:1891
 wb_writeback+0x4bf/0xed0 fs/fs-writeback.c:2065
 wb_do_writeback fs/fs-writeback.c:2208 [inline]
 wb_workfn+0x465/0x1080 fs/fs-writeback.c:2248
 process_one_work+0x90c/0x1280 kernel/workqueue.c:2390
 worker_thread+0xa63/0x1210 kernel/workqueue.c:2537
 kthread+0x270/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_do_writepages+0x3edd/0x3ee0 fs/ext4/inode.c:2780
Code: c7 50 9d 0b 8d 4c 89 f2 e8 50 0d 37 02 e9 e5 fb ff ff e8 36 70 51 ff 0f 0b e8 2f 70 51 ff 0f 0b e8 38 ba 73 08 e8 23 70 51 ff <0f> 0b 90 66 0f 1f 00 55 41 57 41 56 41 54 53 49 89 fe 49 bf 00 00
RSP: 0018:ffffc9000b71eec0 EFLAGS: 00010293
RAX: ffffffff8239d75d RBX: 0000008000000000 RCX: ffff888027748000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc9000b71f230 R08: ffffffff82399f33 R09: ffffed100ed98c95
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920016e3ee6
R13: ffffc9000b71f730 R14: 0000008410000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000