last executing test programs:

kernel console output (not intermixed with test programs):

6]  ? __folio_start_writeback+0x9d5/0xb70
[   66.552701][   T36]  ? __folio_start_writeback+0x9d7/0xb70
[   66.558335][   T36]  handle_bug+0x84/0x160
[   66.562576][   T36]  exc_invalid_op+0x1a/0x50
[   66.567074][   T36]  asm_exc_invalid_op+0x1a/0x20
[   66.572016][   T36] RIP: 0010:__folio_start_writeback+0x9d5/0xb70
[   66.578254][   T36] Code: 28 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 0e 02 2a 00 49 8b 07 25 ff 3f 00 00 e9 1b fa ff ff e8 bc f7 c5 ff 90 <0f> 0b 90 e9 d6 fb ff ff e8 ae f7 c5 ff 48 c7 c7 e0 fe 3f 8e 4c 89
[   66.597959][   T36] RSP: 0018:ffffc90000ac6ea0 EFLAGS: 00010293
[   66.604026][   T36] RAX: ffffffff81facb84 RBX: ffffea000090f880 RCX: ffff88801daf1e00
[   66.612083][   T36] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   66.620051][   T36] RBP: ffffc90000ac7010 R08: ffffc90000ac6f97 R09: 0000000000000000
[   66.628017][   T36] R10: ffffc90000ac6f80 R11: fffff52000158df3 R12: ffffea000090f888
[   66.635988][   T36] R13: 0000000000000000 R14: ffff888023121400 R15: ffff8880231211e0
[   66.643961][   T36]  ? __folio_start_writeback+0x9d4/0xb70
[   66.649606][   T36]  ? folio_clear_dirty_for_io+0x226/0x880
[   66.655339][   T36]  ? __pfx___folio_start_writeback+0x10/0x10
[   66.661331][   T36]  ? __pfx_folio_clear_dirty_for_io+0x10/0x10
[   66.667402][   T36]  ? stack_trace_save+0x9c/0xe0
[   66.672258][   T36]  __block_write_full_folio+0x75f/0xe10
[   66.677802][   T36]  ? __pfx_blkdev_get_block+0x10/0x10
[   66.683186][   T36]  blkdev_writepages+0xd1/0x170
[   66.688031][   T36]  ? __pfx_blkdev_writepages+0x10/0x10
[   66.693497][   T36]  ? __pfx_blkdev_writepages+0x10/0x10
[   66.698953][   T36]  do_writepages+0x32e/0x550
[   66.703576][   T36]  __writeback_single_inode+0x145/0xff0
[   66.709138][   T36]  ? wbc_attach_and_unlock_inode+0x3f0/0x5d0
[   66.715117][   T36]  writeback_sb_inodes+0x6c7/0x1010
[   66.720342][   T36]  ? __pfx_writeback_sb_inodes+0x10/0x10
[   66.726006][   T36]  ? __pfx_down_read_trylock+0x10/0x10
[   66.731464][   T36]  ? __pfx___up_read+0x10/0x10
[   66.736231][   T36]  __writeback_inodes_wb+0x111/0x240
[   66.741522][   T36]  wb_writeback+0x44f/0xaf0
[   66.746123][   T36]  ? queue_io+0x361/0x590
[   66.750538][   T36]  ? __pfx_wb_writeback+0x10/0x10
[   66.755574][   T36]  wb_workfn+0xaef/0xef0
[   66.759877][   T36]  ? __pfx_wb_workfn+0x10/0x10
[   66.764643][   T36]  ? __lock_acquire+0xab9/0xd20
[   66.769504][   T36]  ? process_scheduled_works+0x9ef/0x17b0
[   66.775230][   T36]  ? _raw_spin_unlock_irq+0x23/0x50
[   66.780512][   T36]  ? process_scheduled_works+0x9ef/0x17b0
[   66.786234][   T36]  ? process_scheduled_works+0x9ef/0x17b0
[   66.791963][   T36]  process_scheduled_works+0xade/0x17b0
[   66.797532][   T36]  ? __pfx_process_scheduled_works+0x10/0x10
[   66.803542][   T36]  worker_thread+0x8a0/0xda0
[   66.808277][   T36]  kthread+0x70e/0x8a0
[   66.812371][   T36]  ? __pfx_worker_thread+0x10/0x10
[   66.817479][   T36]  ? __pfx_kthread+0x10/0x10
[   66.822078][   T36]  ? _raw_spin_unlock_irq+0x23/0x50
[   66.827276][   T36]  ? lockdep_hardirqs_on+0x9c/0x150
[   66.832470][   T36]  ? __pfx_kthread+0x10/0x10
[   66.837073][   T36]  ret_from_fork+0x47c/0x820
[   66.841669][   T36]  ? __pfx_ret_from_fork+0x10/0x10
[   66.846795][   T36]  ? __switch_to_asm+0x39/0x70
[   66.851561][   T36]  ? __switch_to_asm+0x33/0x70
[   66.856321][   T36]  ? __pfx_kthread+0x10/0x10
[   66.860922][   T36]  ret_from_fork_asm+0x1a/0x30
[   66.865700][   T36]  </TASK>
[   66.869057][   T36] Kernel Offset: disabled
[   66.873461][   T36] Rebooting in 86400 seconds..
ssh: connect to host 10.128.10.0 port 22: Connection timed out