------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2781!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 42 Comm: kworker/u4:3 Not tainted 6.3.0-rc3-syzkaller-00026-gfff5a5e7f528 #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+0x3d11/0x3d20 fs/ext4/inode.c:2780
Code: c7 50 88 0b 8d 4c 89 f2 e8 bc cc 30 02 e9 e5 fb ff ff e8 42 39 52 ff 0f 0b e8 3b 39 52 ff 0f 0b e8 54 28 68 08 e8 2f 39 52 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 66 0f 1f 00 55 41 57
RSP: 0018:ffffc90000b36ec0 EFLAGS: 00010293
RAX: ffffffff823833f1 RBX: 0000008000000000 RCX: ffff8880172d0000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b37230 R08: ffffffff8237fd93 R09: ffffed100d30228d
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000166ee6
R13: ffffc90000b37730 R14: 0000008410000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000069d47000 CR4: 00000000003506f0
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+0x155/0xfb0 fs/fs-writeback.c:1600
 writeback_sb_inodes+0x8ef/0x11d0 fs/fs-writeback.c:1891
 wb_writeback+0x458/0xc70 fs/fs-writeback.c:2065
 wb_do_writeback fs/fs-writeback.c:2208 [inline]
 wb_workfn+0x400/0xff0 fs/fs-writeback.c:2248
 process_one_work+0x8a0/0x10e0 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+0x3d11/0x3d20 fs/ext4/inode.c:2780
Code: c7 50 88 0b 8d 4c 89 f2 e8 bc cc 30 02 e9 e5 fb ff ff e8 42 39 52 ff 0f 0b e8 3b 39 52 ff 0f 0b e8 54 28 68 08 e8 2f 39 52 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 66 0f 1f 00 55 41 57
RSP: 0018:ffffc90000b36ec0 EFLAGS: 00010293
RAX: ffffffff823833f1 RBX: 0000008000000000 RCX: ffff8880172d0000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b37230 R08: ffffffff8237fd93 R09: ffffed100d30228d
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000166ee6
R13: ffffc90000b37730 R14: 0000008410000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffd0e030d8 CR3: 000000007a100000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400