------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2623!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 2999 Comm: kworker/u8:9 Not tainted 6.15.0-rc1-next-20250411-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:ext4_do_writepages+0x3e44/0x3e50 fs/ext4/inode.c:2622
Code: f0 8e 4c 89 f2 e8 fc 12 be 02 e9 83 fb ff ff e8 c2 24 3f ff 90 0f 0b e8 ba 24 3f ff 90 0f 0b e8 12 cd ae 09 e8 ad 24 3f ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0000:ffffc9000c066c80 EFLAGS: 00010293
RAX: ffffffff82845593 RBX: 0000004000000000 RCX: ffff88803080bc00
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc9000c067090 R08: ffffffff82841cc3 R09: 1ffff1100b882c6c
R10: dffffc0000000000 R11: ffffed100b882c6d R12: 0000000000000001
R13: ffffc9000c067520 R14: 0000004210000000 R15: ffffc9000c067100
FS:  0000000000000000(0000) GS:ffff888125080000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556402c5a8 CR3: 000000003250e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_writepages+0x271/0x450 fs/ext4/inode.c:2828
 do_writepages+0x38c/0x640 mm/page-writeback.c:2635
 __writeback_single_inode+0x14f/0x10d0 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x822/0x1360 fs/fs-writeback.c:1976
 wb_writeback+0x415/0xb90 fs/fs-writeback.c:2156
 wb_do_writeback fs/fs-writeback.c:2303 [inline]
 wb_workfn+0x412/0x10b0 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd50 kernel/workqueue.c:3400
 kthread+0x7b7/0x940 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_do_writepages+0x3e44/0x3e50 fs/ext4/inode.c:2622
Code: f0 8e 4c 89 f2 e8 fc 12 be 02 e9 83 fb ff ff e8 c2 24 3f ff 90 0f 0b e8 ba 24 3f ff 90 0f 0b e8 12 cd ae 09 e8 ad 24 3f ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0000:ffffc9000c066c80 EFLAGS: 00010293
RAX: ffffffff82845593 RBX: 0000004000000000 RCX: ffff88803080bc00
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc9000c067090 R08: ffffffff82841cc3 R09: 1ffff1100b882c6c
R10: dffffc0000000000 R11: ffffed100b882c6d R12: 0000000000000001
R13: ffffc9000c067520 R14: 0000004210000000 R15: ffffc9000c067100
FS:  0000000000000000(0000) GS:ffff888125080000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faa75579ab8 CR3: 0000000033e46000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400