------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2722!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3944 Comm: kworker/u4:8 Not tainted 5.15.136-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Workqueue: writeback wb_workfn (flush-7:3)
RIP: 0010:ext4_writepages+0x3d02/0x3d10 fs/ext4/inode.c:2721
Code: c7 10 77 a8 8c 4c 89 f2 e8 ab 9d 0b 02 e9 bb fb ff ff e8 71 0d 63 ff 0f 0b e8 aa 83 fd 07 e8 65 0d 63 ff 0f 0b e8 5e 0d 63 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 57 41 56 41 54 53 49
RSP: 0018:ffffc9000468eec0 EFLAGS: 00010293
RAX: ffffffff821d14f2 RBX: 0000008000000000 RCX: ffff88807d960000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc9000468f2b0 R08: ffffffff821cde90 R09: ffffed100e05a14a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc9000468f180
R13: ffffc9000468f670 R14: 0000008410000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002016c000 CR3: 0000000027d72000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 do_writepages+0x481/0x730 mm/page-writeback.c:2364
 __writeback_single_inode+0x15b/0xe30 fs/fs-writeback.c:1625
 writeback_sb_inodes+0xbf0/0x1a50 fs/fs-writeback.c:1908
 __writeback_inodes_wb+0x114/0x400 fs/fs-writeback.c:1979
 wb_writeback+0x465/0xc50 fs/fs-writeback.c:2084
 wb_check_start_all fs/fs-writeback.c:2206 [inline]
 wb_do_writeback fs/fs-writeback.c:2232 [inline]
 wb_workfn+0x9f4/0x1130 fs/fs-writeback.c:2266
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
Modules linked in:
---[ end trace 21c1c686b1fd625e ]---
RIP: 0010:ext4_writepages+0x3d02/0x3d10 fs/ext4/inode.c:2721
Code: c7 10 77 a8 8c 4c 89 f2 e8 ab 9d 0b 02 e9 bb fb ff ff e8 71 0d 63 ff 0f 0b e8 aa 83 fd 07 e8 65 0d 63 ff 0f 0b e8 5e 0d 63 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 57 41 56 41 54 53 49
RSP: 0018:ffffc9000468eec0 EFLAGS: 00010293
RAX: ffffffff821d14f2 RBX: 0000008000000000 RCX: ffff88807d960000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc9000468f2b0 R08: ffffffff821cde90 R09: ffffed100e05a14a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc9000468f180
R13: ffffc9000468f670 R14: 0000008410000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fec0adad000 CR3: 000000001f207000 CR4: 00000000003506f0