------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2588!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5588 Comm: kworker/u4:8 Not tainted 6.4.0-rc4-syzkaller-00198-g9e87b63ed37e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: writeback wb_workfn (flush-7:4)
RIP: 0010:ext4_do_writepages+0x3d93/0x3da0 fs/ext4/inode.c:2587
Code: c7 70 13 0c 8d 4c 89 f2 e8 1a 14 31 02 e9 9b fb ff ff e8 80 a9 4f ff 0f 0b e8 79 a9 4f ff 0f 0b e8 32 88 73 08 e8 6d a9 4f ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 66 0f 1f 00 55 41 57 41 56
RSP: 0018:ffffc900061e6e40 EFLAGS: 00010293
RAX: ffffffff823bd5c3 RBX: 0000004000000000 RCX: ffff88802026bb80
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc900061e71b0 R08: ffffffff823b9ded R09: ffffed100d4f6b4b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88806a7b5cb0 R14: 0000004210000000 R15: 1ffff1100d4f6bdb
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b2ee50718 CR3: 000000007eb8f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_writepages+0x203/0x3e0 fs/ext4/inode.c:2792
 do_writepages+0x3a6/0x670 mm/page-writeback.c:2551
 __writeback_single_inode+0x155/0xfa0 fs/fs-writeback.c:1603
 writeback_sb_inodes+0x8e3/0x11d0 fs/fs-writeback.c:1894
 __writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:1965
 wb_writeback+0x46c/0xc70 fs/fs-writeback.c:2070
 wb_check_start_all fs/fs-writeback.c:2192 [inline]
 wb_do_writeback fs/fs-writeback.c:2218 [inline]
 wb_workfn+0x98f/0xff0 fs/fs-writeback.c:2251
 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405
 worker_thread+0xa63/0x1210 kernel/workqueue.c:2552
 kthread+0x2b8/0x350 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_do_writepages+0x3d93/0x3da0 fs/ext4/inode.c:2587
Code: c7 70 13 0c 8d 4c 89 f2 e8 1a 14 31 02 e9 9b fb ff ff e8 80 a9 4f ff 0f 0b e8 79 a9 4f ff 0f 0b e8 32 88 73 08 e8 6d a9 4f ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 66 0f 1f 00 55 41 57 41 56
RSP: 0018:ffffc900061e6e40 EFLAGS: 00010293
RAX: ffffffff823bd5c3 RBX: 0000004000000000 RCX: ffff88802026bb80
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc900061e71b0 R08: ffffffff823b9ded R09: ffffed100d4f6b4b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88806a7b5cb0 R14: 0000004210000000 R15: 1ffff1100d4f6bdb
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f625b77a718 CR3: 000000007e29a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400