------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2736!
invalid opcode: 0000 [#2] PREEMPT SMP KASAN
CPU: 1 PID: 46 Comm: kworker/u4:3 Tainted: G      D            6.1.46-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: writeback wb_workfn (flush-7:3)
RIP: 0010:ext4_writepages+0x3dd9/0x3de0 fs/ext4/inode.c:2735
Code: c7 30 ed 2b 8d 4c 89 f2 e8 74 08 27 02 e9 b9 fb ff ff e8 1a cd 50 ff 0f 0b e8 13 cd 50 ff 0f 0b e8 5c b4 4b 08 e8 07 cd 50 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:ffffc90000b76ec0 EFLAGS: 00010293
RAX: ffffffff823930f9 RBX: 0000008000000000 RCX: ffff8880186c0000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b772b0 R08: ffffffff8238f9b0 R09: ffffed100e8223ce
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90000b77670 R14: 000000c410000000 R15: ffffc90000b77180
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fefe33e1d58 CR3: 000000007a499000 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
 __writeback_inodes_wb+0x114/0x400 fs/fs-writeback.c:1952
 wb_writeback+0x4b1/0xe10 fs/fs-writeback.c:2057
 wb_check_background_flush fs/fs-writeback.c:2123 [inline]
 wb_do_writeback fs/fs-writeback.c:2211 [inline]
 wb_workfn+0xc9e/0x1020 fs/fs-writeback.c:2238
 process_one_work+0x8aa/0x11f0 kernel/workqueue.c:2292
 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2439
 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:2735
Code: c7 30 ed 2b 8d 4c 89 f2 e8 74 08 27 02 e9 b9 fb ff ff e8 1a cd 50 ff 0f 0b e8 13 cd 50 ff 0f 0b e8 5c b4 4b 08 e8 07 cd 50 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:ffffc90000aa6ec0 EFLAGS: 00010293
RAX: ffffffff823930f9 RBX: 0000008000000000 RCX: ffff888014eb1dc0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000aa72b0 R08: ffffffff8238f9b0 R09: ffffed100e81ab54
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90000aa7670 R14: 000000c410000000 R15: ffffc90000aa7180
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffe679b9b0 CR3: 000000007a499000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400