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kernel BUG at fs/ext4/inode.c:2736!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
Workqueue: writeback wb_workfn (flush-7:0)
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : ext4_writepages+0x2d04/0x2db8 fs/ext4/inode.c:2735
lr : ext4_writepages+0x2d04/0x2db8 fs/ext4/inode.c:2735
sp : ffff80001b4f6fc0
x29: ffff80001b4f72c0 x28: dfff800000000000 x27: 0000000000000001
x26: ffff0000ec0ad488 x25: ffff70000369ee1c x24: ffff80001b4f7690
x23: ffff0000ec0ad260 x22: ffff0000d71f8000 x21: ffff0000d71f8000
x20: ffff0000d71f8050 x19: 000000c410000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082c4ec4 x15: 0000000000000012
x14: 0000000000000005 x13: 1ffff0000287202b x12: 000000009292fa89
x11: ff80800008cd5380 x10: 0000000000000000 x9 : ffff800008cd5380
x8 : ffff0000c0948000 x7 : ffff800008cd2830 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000001
x2 : 0000000000000000 x1 : 0000008000000000 x0 : 0000000000000000
Call trace:
 ext4_writepages+0x2d04/0x2db8 fs/ext4/inode.c:2735
 do_writepages+0x374/0x588 mm/page-writeback.c:2386
 __writeback_single_inode+0x148/0x11f0 fs/fs-writeback.c:1657
 writeback_sb_inodes+0x868/0x13e4 fs/fs-writeback.c:1940
 wb_writeback+0x3f4/0xe84 fs/fs-writeback.c:2114
 wb_do_writeback fs/fs-writeback.c:2257 [inline]
 wb_workfn+0x368/0xe3c fs/fs-writeback.c:2298
 process_one_work+0x7a4/0x1178 kernel/workqueue.c:2310
 worker_thread+0x8fc/0x103c kernel/workqueue.c:2457
 kthread+0x37c/0x460 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:856
Code: f9403bf9 f9405bf6 17fffe2a 97deb923 (d4210000) 
---[ end trace b9f3d5c1a31e1add ]---