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kernel BUG at fs/ext4/inode.c:2564!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 11974 Comm: kworker/u8:16 Not tainted 6.9.0-rc7-syzkaller-00023-g6d7ddd805123 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: writeback wb_workfn (flush-7:1)
RIP: 0010:ext4_do_writepages+0x3d38/0x3d40 fs/ext4/inode.c:2563
Code: 4f 8e 4c 89 f2 e8 b8 fe 8f 02 e9 ab fb ff ff e8 de bf 3c ff 90 0f 0b e8 d6 bf 3c ff 90 0f 0b e8 ee f3 26 09 e8 c9 bf 3c ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000b12ec00 EFLAGS: 00010293
RAX: ffffffff825948b7 RBX: 0000004000000000 RCX: ffff888066a48000
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc9000b12f010 R08: ffffffff82591093 R09: 1ffff110092a68ca
R10: dffffc0000000000 R11: ffffed10092a68cb R12: 0000000000000001
R13: 0000000004208060 R14: 0000006210000000 R15: ffff8880495348b0
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd858fad988 CR3: 000000006bc0c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 ext4_writepages+0x213/0x3c0 fs/ext4/inode.c:2768
 do_writepages+0x35b/0x870 mm/page-writeback.c:2612
 __writeback_single_inode+0x165/0x10b0 fs/fs-writeback.c:1650
 writeback_sb_inodes+0x905/0x1260 fs/fs-writeback.c:1941
 wb_writeback+0x457/0xce0 fs/fs-writeback.c:2117
 wb_do_writeback fs/fs-writeback.c:2264 [inline]
 wb_workfn+0x410/0x1090 fs/fs-writeback.c:2304
 process_one_work kernel/workqueue.c:3267 [inline]
 process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3348
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3429
 kthread+0x2f2/0x390 kernel/kthread.c:388
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_do_writepages+0x3d38/0x3d40 fs/ext4/inode.c:2563
Code: 4f 8e 4c 89 f2 e8 b8 fe 8f 02 e9 ab fb ff ff e8 de bf 3c ff 90 0f 0b e8 d6 bf 3c ff 90 0f 0b e8 ee f3 26 09 e8 c9 bf 3c ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000b12ec00 EFLAGS: 00010293
RAX: ffffffff825948b7 RBX: 0000004000000000 RCX: ffff888066a48000
RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000
RBP: ffffc9000b12f010 R08: ffffffff82591093 R09: 1ffff110092a68ca
R10: dffffc0000000000 R11: ffffed10092a68cb R12: 0000000000000001
R13: 0000000004208060 R14: 0000006210000000 R15: ffff8880495348b0
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb781e1f000 CR3: 0000000024f58000 CR4: 0000000000350ef0