kernel BUG at fs/ext4/inode.c:2738!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 94 Comm: kworker/u4:2 Not tainted 5.15.77-syzkaller-00764-g7048384c9872 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: writeback wb_workfn (flush-7:4)
RIP: 0010:ext4_writepages+0x3b91/0x3bb0 fs/ext4/inode.c:2737
Code: c6 31 ff e8 d1 6e 81 ff 84 db 75 2c e8 b8 6b 81 ff 48 bb 00 00 00 00 00 fc ff df 4c 8b 7c 24 48 e9 d3 c9 ff ff e8 9f 6b 81 ff <0f> 0b e8 98 6b 81 ff e8 af 5d 10 ff eb a0 e8 8c 6b 81 ff e8 a3 5d
RSP: 0018:ffffc9000025efc0 EFLAGS: 00010293
RAX: ffffffff81f023f1 RBX: 0000008000000000 RCX: ffff8881001762c0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc9000025f3b0 R08: ffffffff81efefff R09: ffffed10212c8c76
R10: ffffed10212c8c76 R11: 1ffff110212c8c75 R12: ffffc9000025f770
R13: 0000000000000001 R14: 0000008410000000 R15: ffffc9000025f280
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ef31fdf84 CR3: 0000000167888000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 000000000000fd4e DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x442/0x6c0 mm/page-writeback.c:2364
 __writeback_single_inode+0xcf/0x6d0 fs/fs-writeback.c:1622
 writeback_sb_inodes+0xb1d/0x1910 fs/fs-writeback.c:1897
 __writeback_inodes_wb+0x138/0x410 fs/fs-writeback.c:1968
 wb_writeback+0x420/0x9e0 fs/fs-writeback.c:2073
 wb_check_start_all fs/fs-writeback.c:2195 [inline]
 wb_do_writeback+0x71d/0xbd0 fs/fs-writeback.c:2221
 wb_workfn+0xf8/0x3e0 fs/fs-writeback.c:2255
 process_one_work+0x6db/0xc00 kernel/workqueue.c:2313
 worker_thread+0xb3e/0x1340 kernel/workqueue.c:2460
 kthread+0x41c/0x500 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
Modules linked in:
---[ end trace cf461c0ce756aafa ]---
RIP: 0010:ext4_writepages+0x3b91/0x3bb0 fs/ext4/inode.c:2737
Code: c6 31 ff e8 d1 6e 81 ff 84 db 75 2c e8 b8 6b 81 ff 48 bb 00 00 00 00 00 fc ff df 4c 8b 7c 24 48 e9 d3 c9 ff ff e8 9f 6b 81 ff <0f> 0b e8 98 6b 81 ff e8 af 5d 10 ff eb a0 e8 8c 6b 81 ff e8 a3 5d
RSP: 0018:ffffc9000025efc0 EFLAGS: 00010293
RAX: ffffffff81f023f1 RBX: 0000008000000000 RCX: ffff8881001762c0
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc9000025f3b0 R08: ffffffff81efefff R09: ffffed10212c8c76
R10: ffffed10212c8c76 R11: 1ffff110212c8c75 R12: ffffc9000025f770
R13: 0000000000000001 R14: 0000008410000000 R15: ffffc9000025f280
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2586d2f810 CR3: 0000000168e1b000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 000000000000fd4e DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400