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kernel BUG at fs/ext4/inode.c:2745!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2827 Comm: kworker/u4:12 Tainted: G        W         5.15.106-syzkaller-00266-g36f4f6fb72d5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: writeback wb_workfn (flush-7:1)
RIP: 0010:ext4_writepages+0x3fe6/0x4000 fs/ext4/inode.c:2744
Code: 89 de e8 8d 97 88 ff 45 84 f6 75 2c e8 f3 94 88 ff 49 be 00 00 00 00 00 fc ff df 4c 8b 64 24 50 e9 e4 c5 ff ff e8 da 94 88 ff <0f> 0b e8 d3 94 88 ff e8 aa 3a 19 ff eb 9b e8 c7 94 88 ff e8 9e 3a
RSP: 0018:ffffc90000b97000 EFLAGS: 00010293
RAX: ffffffff81e74646 RBX: 0000008000000000 RCX: ffff88811a6113c0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b97410 R08: ffffffff81e73db6 R09: ffffed102ca9c5e3
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000b977d0
R13: 0000000000000000 R14: 000000c410000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555558f4728 CR3: 0000000161f20000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x40e/0x670 mm/page-writeback.c:2366
 __writeback_single_inode+0xdf/0xa70 fs/fs-writeback.c:1622
 writeback_sb_inodes+0xb2e/0x1910 fs/fs-writeback.c:1905
 wb_writeback+0x3b9/0x9e0 fs/fs-writeback.c:2079
 wb_do_writeback fs/fs-writeback.c:2222 [inline]
 wb_workfn+0x3d9/0x1110 fs/fs-writeback.c:2263
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2313
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2460
 kthread+0x421/0x510 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
Modules linked in:
---[ end trace f16fa93bda46f194 ]---
RIP: 0010:ext4_writepages+0x3fe6/0x4000 fs/ext4/inode.c:2744
Code: 89 de e8 8d 97 88 ff 45 84 f6 75 2c e8 f3 94 88 ff 49 be 00 00 00 00 00 fc ff df 4c 8b 64 24 50 e9 e4 c5 ff ff e8 da 94 88 ff <0f> 0b e8 d3 94 88 ff e8 aa 3a 19 ff eb 9b e8 c7 94 88 ff e8 9e 3a
RSP: 0018:ffffc90000b97000 EFLAGS: 00010293
RAX: ffffffff81e74646 RBX: 0000008000000000 RCX: ffff88811a6113c0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b97410 R08: ffffffff81e73db6 R09: ffffed102ca9c5e3
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000b977d0
R13: 0000000000000000 R14: 000000c410000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020019680 CR3: 0000000131b3c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400