------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2748!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 46 Comm: kworker/u4:3 Not tainted 6.1.84-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: writeback wb_workfn (flush-7:4)
RIP: 0010:ext4_writepages+0x3dd9/0x3de0 fs/ext4/inode.c:2747
Code: c7 b0 05 2c 8d 4c 89 f2 e8 54 50 28 02 e9 b9 fb ff ff e8 1a af 4f ff 0f 0b e8 13 af 4f ff 0f 0b e8 ec 3f 4f 08 e8 07 af 4f 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:ffffc90000b76ea0 EFLAGS: 00010293
RAX: ffffffff823ad7e9 RBX: 0000008000000000 RCX: ffff888017eb3b80
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b77290 R08: ffffffff823aa0a0 R09: ffffed100e7d1dd6
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90000b77670 R14: 000000c410000000 R15: ffffc90000b77160
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020007f80 CR3: 000000001f29c000 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:1612
 writeback_sb_inodes+0xc2b/0x1b20 fs/fs-writeback.c:1903
 __writeback_inodes_wb+0x114/0x400 fs/fs-writeback.c:1974
 wb_writeback+0x4b1/0xe10 fs/fs-writeback.c:2079
 wb_check_background_flush fs/fs-writeback.c:2145 [inline]
 wb_do_writeback fs/fs-writeback.c:2233 [inline]
 wb_workfn+0xc9e/0x1020 fs/fs-writeback.c:2260
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:307
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_writepages+0x3dd9/0x3de0 fs/ext4/inode.c:2747
Code: c7 b0 05 2c 8d 4c 89 f2 e8 54 50 28 02 e9 b9 fb ff ff e8 1a af 4f ff 0f 0b e8 13 af 4f ff 0f 0b e8 ec 3f 4f 08 e8 07 af 4f 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:ffffc90000b76ea0 EFLAGS: 00010293
RAX: ffffffff823ad7e9 RBX: 0000008000000000 RCX: ffff888017eb3b80
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b77290 R08: ffffffff823aa0a0 R09: ffffed100e7d1dd6
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90000b77670 R14: 000000c410000000 R15: ffffc90000b77160
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffdb3719b0 CR3: 000000001f29c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400