last executing test programs: kernel console output (not intermixed with test programs): ame: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 68.074692][ T13] Workqueue: writeback wb_workfn (flush-8:0) [ 68.080701][ T13] Call Trace: [ 68.084019][ T13] [ 68.086969][ T13] dump_stack_lvl+0x99/0x250 [ 68.091586][ T13] ? __asan_memcpy+0x40/0x70 [ 68.096180][ T13] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.101374][ T13] ? __pfx__printk+0x10/0x10 [ 68.105977][ T13] vpanic+0x229/0x6d0 [ 68.109952][ T13] ? __pfx_vpanic+0x10/0x10 [ 68.114821][ T13] ? is_bpf_text_address+0x292/0x2b0 [ 68.120104][ T13] ? is_bpf_text_address+0x26/0x2b0 [ 68.125309][ T13] panic+0xb9/0xc0 [ 68.129029][ T13] ? __pfx_panic+0x10/0x10 [ 68.133452][ T13] ? ret_from_fork_asm+0x1a/0x30 [ 68.138397][ T13] __warn+0x334/0x4c0 [ 68.142371][ T13] ? __folio_start_writeback+0x9d5/0xb70 [ 68.148003][ T13] ? __folio_start_writeback+0x9d5/0xb70 [ 68.153802][ T13] report_bug+0x2be/0x4f0 [ 68.158141][ T13] ? __folio_start_writeback+0x9d5/0xb70 [ 68.163858][ T13] ? __folio_start_writeback+0x9d5/0xb70 [ 68.169489][ T13] ? __folio_start_writeback+0x9d7/0xb70 [ 68.175140][ T13] handle_bug+0x84/0x160 [ 68.179377][ T13] exc_invalid_op+0x1a/0x50 [ 68.183872][ T13] asm_exc_invalid_op+0x1a/0x20 [ 68.188716][ T13] RIP: 0010:__folio_start_writeback+0x9d5/0xb70 [ 68.195127][ T13] 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 [ 68.214725][ T13] RSP: 0018:ffffc90000126ea0 EFLAGS: 00010293 [ 68.220792][ T13] RAX: ffffffff81facb84 RBX: ffffea000502d740 RCX: ffff88801d298000 [ 68.228752][ T13] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 68.237066][ T13] RBP: ffffc90000127010 R08: ffffc90000126f97 R09: 0000000000000000 [ 68.245039][ T13] R10: ffffc90000126f80 R11: fffff52000024df3 R12: ffffea000502d748 [ 68.253029][ T13] R13: 0000000000000000 R14: ffff888148c65900 R15: ffff888148c656e0 [ 68.261005][ T13] ? __folio_start_writeback+0x9d4/0xb70 [ 68.266738][ T13] ? folio_clear_dirty_for_io+0x226/0x880 [ 68.272457][ T13] ? __pfx___folio_start_writeback+0x10/0x10 [ 68.278435][ T13] ? __pfx_folio_clear_dirty_for_io+0x10/0x10 [ 68.284586][ T13] ? stack_trace_save+0x9c/0xe0 [ 68.289441][ T13] __block_write_full_folio+0x75f/0xe10 [ 68.294983][ T13] ? __pfx_blkdev_get_block+0x10/0x10 [ 68.300525][ T13] blkdev_writepages+0xd1/0x170 [ 68.305367][ T13] ? __pfx_blkdev_writepages+0x10/0x10 [ 68.310829][ T13] ? __pfx_blkdev_writepages+0x10/0x10 [ 68.316279][ T13] do_writepages+0x32e/0x550 [ 68.320890][ T13] __writeback_single_inode+0x145/0xff0 [ 68.326433][ T13] ? wbc_attach_and_unlock_inode+0x3f0/0x5d0 [ 68.332494][ T13] writeback_sb_inodes+0x6c7/0x1010 [ 68.337887][ T13] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 68.343580][ T13] ? __pfx_down_read_trylock+0x10/0x10 [ 68.349037][ T13] ? __pfx___up_read+0x10/0x10 [ 68.353889][ T13] __writeback_inodes_wb+0x111/0x240 [ 68.359182][ T13] wb_writeback+0x44f/0xaf0 [ 68.363686][ T13] ? queue_io+0x361/0x590 [ 68.368013][ T13] ? __pfx_wb_writeback+0x10/0x10 [ 68.373054][ T13] wb_workfn+0xaef/0xef0 [ 68.377390][ T13] ? __pfx_wb_workfn+0x10/0x10 [ 68.382147][ T13] ? __lock_acquire+0xab9/0xd20 [ 68.387088][ T13] ? process_scheduled_works+0x9ef/0x17b0 [ 68.392808][ T13] ? _raw_spin_unlock_irq+0x23/0x50 [ 68.398008][ T13] ? process_scheduled_works+0x9ef/0x17b0 [ 68.403730][ T13] ? process_scheduled_works+0x9ef/0x17b0 [ 68.409448][ T13] process_scheduled_works+0xade/0x17b0 [ 68.415018][ T13] ? __pfx_process_scheduled_works+0x10/0x10 [ 68.421018][ T13] worker_thread+0x8a0/0xda0 [ 68.425625][ T13] kthread+0x70e/0x8a0 [ 68.429691][ T13] ? __pfx_worker_thread+0x10/0x10 [ 68.434799][ T13] ? __pfx_kthread+0x10/0x10 [ 68.439380][ T13] ? _raw_spin_unlock_irq+0x23/0x50 [ 68.444574][ T13] ? lockdep_hardirqs_on+0x9c/0x150 [ 68.449844][ T13] ? __pfx_kthread+0x10/0x10 [ 68.454433][ T13] ret_from_fork+0x47c/0x820 [ 68.459037][ T13] ? __pfx_ret_from_fork+0x10/0x10 [ 68.464158][ T13] ? __switch_to_asm+0x39/0x70 [ 68.468919][ T13] ? __switch_to_asm+0x33/0x70 [ 68.473686][ T13] ? __pfx_kthread+0x10/0x10 [ 68.478267][ T13] ret_from_fork_asm+0x1a/0x30 [ 68.483048][ T13] [ 68.486423][ T13] Kernel Offset: disabled [ 68.490735][ T13] Rebooting in 86400 seconds.. ssh: connect to host 10.128.1.235 port 22: Connection timed out