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kernel BUG at fs/ext4/inode.c:2736!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 148 Comm: kworker/u4:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: writeback wb_workfn (flush-7:1)
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : ext4_writepages+0x2be4/0x2c98 fs/ext4/inode.c:2735
lr : ext4_writepages+0x2be4/0x2c98 fs/ext4/inode.c:2735
sp : ffff80001bf16f20
x29: ffff80001bf17220 x28: ffff80001bf175f0 x27: ffff0000ee8f3478
x26: ffff7000037e2e08 x25: 0000000000000001 x24: ffff0000ee8f36a0
x23: ffff80001bf17610 x22: ffff0000d5a36000 x21: dfff800000000000
x20: ffff0000ee8f3228 x19: 000000c410000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082c18dc x15: 0000000000000012
x14: 0000000000000005 x13: 1ffff0000285402b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff800008cc5308
x8 : ffff0000c2d50000 x7 : ffff800008cc28d0 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000001
x2 : 0000000000000000 x1 : 0000008000000000 x0 : 0000000000000000
Call trace:
 ext4_writepages+0x2be4/0x2c98 fs/ext4/inode.c:2735
 do_writepages+0x364/0x584 mm/page-writeback.c:2386
 __writeback_single_inode+0x148/0x11c8 fs/fs-writeback.c:1657
 writeback_sb_inodes+0x830/0x13a8 fs/fs-writeback.c:1940
 wb_writeback+0x3ec/0xe64 fs/fs-writeback.c:2114
 wb_do_writeback fs/fs-writeback.c:2257 [inline]
 wb_workfn+0x368/0xe44 fs/fs-writeback.c:2298
 process_one_work+0x79c/0x1138 kernel/workqueue.c:2310
 worker_thread+0x8f4/0x1034 kernel/workqueue.c:2457
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:856
Code: f94063fa f9404ff6 17fff5e6 97dee2e7 (d4210000) 
---[ end trace f9d6a20fa6c83ad4 ]---