------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2746!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13917 Comm: kworker/u4:27 Not tainted 6.1.39-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Workqueue: writeback wb_workfn (flush-7:4)
RIP: 0010:ext4_writepages+0x3dd9/0x3de0 fs/ext4/inode.c:2745
Code: c7 70 e0 0b 8d 4c 89 f2 e8 74 e7 26 02 e9 b9 fb ff ff e8 5a 00 51 ff 0f 0b e8 53 00 51 ff 0f 0b e8 5c 6a 4b 08 e8 47 00 51 ff <0f> 0b 0f 1f 44 00 00 41 57 41 56 41 55 41 54 53 49 89 f7 49 89 fe
RSP: 0018:ffffc9000a5d6f60 EFLAGS: 00010293
RAX: ffffffff8238da99 RBX: 0000008000000000 RCX: ffff8880231a9dc0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc9000a5d7350 R08: ffffffff8238a350 R09: ffffed10076c050f
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc9000a5d7710 R14: 000000c410000000 R15: ffffc9000a5d7220
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f062b978038 CR3: 000000002bcbe000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x3a2/0x670 mm/page-writeback.c:2469
 __writeback_single_inode+0x15d/0x11e0 fs/fs-writeback.c:1590
 writeback_sb_inodes+0xc21/0x1ac0 fs/fs-writeback.c:1881
 wb_writeback+0x49d/0xe10 fs/fs-writeback.c:2055
 wb_do_writeback fs/fs-writeback.c:2198 [inline]
 wb_workfn+0x427/0x1020 fs/fs-writeback.c:2238
 process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2289
 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436
 kthread+0x26e/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+0x3dd9/0x3de0 fs/ext4/inode.c:2745
Code: c7 70 e0 0b 8d 4c 89 f2 e8 74 e7 26 02 e9 b9 fb ff ff e8 5a 00 51 ff 0f 0b e8 53 00 51 ff 0f 0b e8 5c 6a 4b 08 e8 47 00 51 ff <0f> 0b 0f 1f 44 00 00 41 57 41 56 41 55 41 54 53 49 89 f7 49 89 fe
RSP: 0018:ffffc9000a5d6f60 EFLAGS: 00010293
RAX: ffffffff8238da99 RBX: 0000008000000000 RCX: ffff8880231a9dc0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc9000a5d7350 R08: ffffffff8238a350 R09: ffffed10076c050f
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc9000a5d7710 R14: 000000c410000000 R15: ffffc9000a5d7220
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f38d28d7eae CR3: 000000003e348000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400