------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2564! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 6832 Comm: kworker/u4:2 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: writeback wb_workfn (flush-7:2) pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_do_writepages+0x354c/0x3670 fs/ext4/inode.c:2563 lr : ext4_do_writepages+0x354c/0x3670 fs/ext4/inode.c:2563 sp : ffff800098a36cc0 x29: ffff800098a37000 x28: ffff800098a37080 x27: dfff800000000000 x26: ffff0000df52aab0 x25: 1fffe0001af940c7 x24: ffff0000d7ca4000 x23: ffff700013146dd4 x22: ffff800098a36ea0 x21: 1fffe0001bea559b x20: 0000006210000000 x19: 0000000000000001 x18: ffff800098a37a94 x17: 0000000000000000 x16: ffff80008031f6c4 x15: 0000000000000005 x14: 1ffff00013146df0 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013146df5 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d084da00 x7 : 0000000000000000 x6 : 0000000000000080 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 x2 : 0000000000000000 x1 : 0000004000000000 x0 : 0000000000000000 Call trace: ext4_do_writepages+0x354c/0x3670 fs/ext4/inode.c:2563 ext4_writepages+0x198/0x330 fs/ext4/inode.c:2768 do_writepages+0x2e8/0x570 mm/page-writeback.c:2553 __writeback_single_inode+0x148/0x146c fs/fs-writeback.c:1625 writeback_sb_inodes+0x718/0x1010 fs/fs-writeback.c:1916 wb_writeback+0x3f4/0xfc0 fs/fs-writeback.c:2092 wb_do_writeback fs/fs-writeback.c:2239 [inline] wb_workfn+0x37c/0xf9c fs/fs-writeback.c:2279 process_one_work+0x694/0x1204 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2787 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 Code: 17fff33d 97d82fd6 17fffe09 97d82fd4 (d4210000) ---[ end trace 0000000000000000 ]---